0179Z1.pdf

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Bently Nevada™ Asset Condition Monitoring

Operation Manual

3300/20 Dual Thrust Position Monitor

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3300/20 Dual Thrust Position Monitor Operation Manual 3300/20 Dual Thrust Position Monitor Operation Manual

Copyright © 1993. Bently Nevada LLC.

All rights reserved.

The information contained in this document is subject to change without notice. The information contained in this document is subject to change without notice.

The following are trademarks of General Electric Company in the United States and other The following are trademarks of General Electric Company in the United States and other countries:

countries:

ACM, Actionable Information, Actionable Information to the Right People at the Right ACM, Actionable Information, Actionable Information to the Right People at the Right Time, ADRE, Asset Condition Management, Asset Condition Monitoring, Because Better Time, ADRE, Asset Condition Management, Asset Condition Monitoring, Because Better Machines Begin With Better Bearings, Bently ALIGN, Bently BALANCE, Bently DOCUVIEW, Machines Begin With Better Bearings, Bently ALIGN, Bently BALANCE, Bently DOCUVIEW, Bently LUBE, Bently PERFORMANCE, Bently Nevada, CableLoc, ClickLoc, Data Manager, Bently LUBE, Bently PERFORMANCE, Bently Nevada, CableLoc, ClickLoc, Data Manager, Decision Support, DemoNet, Dynamic Data Manager, Engineer Assist, FieldMonitor, Decision Support, DemoNet, Dynamic Data Manager, Engineer Assist, FieldMonitor, flexiTIM, FluidLoc, Helping You Protect and Manage All Your Machinery, HydroScan, flexiTIM, FluidLoc, Helping You Protect and Manage All Your Machinery, HydroScan, HydroView, Key

HydroView, Key ∅∅_{, Keyphasor, Machine Condition Manager 2000, MachineLibrary,}_{, Keyphasor, Machine Condition Manager 2000, MachineLibrary,}

Machine Manager, MicroPROX, Move Data, Not People, Move Information, Not Data, NSv, Machine Manager, MicroPROX, Move Data, Not People, Move Information, Not Data, NSv, Prime Spike, PROXPAC, Proximitor, REBAM, RuleDesk, SE, Seismoprobe, ServoFluid, Smart Prime Spike, PROXPAC, Proximitor, REBAM, RuleDesk, SE, Seismoprobe, ServoFluid, Smart Monitor, Snapshot, System 1, System Extender, TDXnet, TDIXconnX, TipLoc, TorXimitor, Monitor, Snapshot, System 1, System Extender, TDXnet, TDIXconnX, TipLoc, TorXimitor, Transient Data Manager, Trendmaster, TrimLoc, Velomitor

Transient Data Manager, Trendmaster, TrimLoc, Velomitor

Contact Information

The following ways of contacting Bently Nevada are provided for those times when you The following ways of contacting Bently Nevada are provided for those times when you cannot contact your local representative:

cannot contact your local representative: Mailing

Mailing Address Address 1631 1631 Bently Bently Parkway Parkway SouthSouth Minden,

Minden, Nevada Nevada USA USA 8942389423 USA USA Telephone 1.775.782.3611 Telephone 1.775.782.3611 1.800.227.5514 1.800.227.5514 Fax 1.775.215.2873 Fax 1.775.215.2873 Internet

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Copyright © 1993. Bently Nevada LLC.

All rights reserved.

The information contained in this document is subject to change without notice. The information contained in this document is subject to change without notice.

The following are trademarks of General Electric Company in the United States and other The following are trademarks of General Electric Company in the United States and other countries:

countries:

ACM, Actionable Information, Actionable Information to the Right People at the Right ACM, Actionable Information, Actionable Information to the Right People at the Right Time, ADRE, Asset Condition Management, Asset Condition Monitoring, Because Better Time, ADRE, Asset Condition Management, Asset Condition Monitoring, Because Better Machines Begin With Better Bearings, Bently ALIGN, Bently BALANCE, Bently DOCUVIEW, Machines Begin With Better Bearings, Bently ALIGN, Bently BALANCE, Bently DOCUVIEW, Bently LUBE, Bently PERFORMANCE, Bently Nevada, CableLoc, ClickLoc, Data Manager, Bently LUBE, Bently PERFORMANCE, Bently Nevada, CableLoc, ClickLoc, Data Manager, Decision Support, DemoNet, Dynamic Data Manager, Engineer Assist, FieldMonitor, Decision Support, DemoNet, Dynamic Data Manager, Engineer Assist, FieldMonitor, flexiTIM, FluidLoc, Helping You Protect and Manage All Your Machinery, HydroScan, flexiTIM, FluidLoc, Helping You Protect and Manage All Your Machinery, HydroScan, HydroView, Key

HydroView, Key ∅∅_{, Keyphasor, Machine Condition Manager 2000, MachineLibrary,}_{, Keyphasor, Machine Condition Manager 2000, MachineLibrary,}

Machine Manager, MicroPROX, Move Data, Not People, Move Information, Not Data, NSv, Machine Manager, MicroPROX, Move Data, Not People, Move Information, Not Data, NSv, Prime Spike, PROXPAC, Proximitor, REBAM, RuleDesk, SE, Seismoprobe, ServoFluid, Smart Prime Spike, PROXPAC, Proximitor, REBAM, RuleDesk, SE, Seismoprobe, ServoFluid, Smart Monitor, Snapshot, System 1, System Extender, TDXnet, TDIXconnX, TipLoc, TorXimitor, Monitor, Snapshot, System 1, System Extender, TDXnet, TDIXconnX, TipLoc, TorXimitor, Transient Data Manager, Trendmaster, TrimLoc, Velomitor

Transient Data Manager, Trendmaster, TrimLoc, Velomitor

Contact Information

The following ways of contacting Bently Nevada are provided for those times when you The following ways of contacting Bently Nevada are provided for those times when you cannot contact your local representative:

cannot contact your local representative: Mailing

Mailing Address Address 1631 1631 Bently Bently Parkway Parkway SouthSouth Minden,

Minden, Nevada Nevada USA USA 8942389423 USA USA Telephone 1.775.782.3611 Telephone 1.775.782.3611 1.800.227.5514 1.800.227.5514 Fax 1.775.215.2873 Fax 1.775.215.2873 Internet

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Additional Information

Notice:

This manual does not contain all the information required

This manual does not contain all the information required to operate and maintainto operate and maintain the product.

the product. Refer to the foRefer to the following manuals for other llowing manuals for other required information.required information.

3300 System Overview (Part Number 80171-01)

3300 System Installation Instructions (Part Number

3300 System Installation Instructions (Part Number 80172-01)

80172-01)

3300 System Troubleshooting (Part Number 80173-01)

3300/12 Power Supply (AC supply) (

3300/12 Power Supply (AC supply) (Part Number 89602-01)

Part Number 89602-01)

3300/14 Power Supply (DC supply) (Part Number 101256 –01)

3300/03 System Monitor (Part Number 89604-01)

3300 Internal Barriers, Installation Manual (Part

3300 Internal Barriers, Installation Manual (Part Number 88837-01)

Number 88837-01)

RELATED PARTS

3300/20 Field Wiring Diagram Packet (Part Number 100314-01)

3300/20 Data Sheet (Part Number

3300/20 Data Sheet (Part Number 141500-01)

141500-01)

3300/20 Meter Scales (Part Number 84113-20)

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Product Disposal Statement Product Disposal Statement

Customers and third parties, who are not member states of the European Union, who are Customers and third parties, who are not member states of the European Union, who are in control of the product at the end of its life or at the end of its use, are solely

in control of the product at the end of its life or at the end of its use, are solely responsible for the proper disposal of the product. No person, firm, corporation, responsible for the proper disposal of the product. No person, firm, corporation,

association or agency that is in control of product shall dispose of it in a manner that is association or agency that is in control of product shall dispose of it in a manner that is in violation of any appli

in violation of any applicable federal, state, local cable federal, state, local or international law. or international law. Bently Nevada LLCBently Nevada LLC is not responsible for the disposal of the product at the end of its life or at the end of its is not responsible for the disposal of the product at the end of its life or at the end of its use.

use.

In this document procedures are

In this document procedures are typically given only for typically given only for channel A. channel A. Procedures forProcedures for channel B are similar except for the obvious substitutions of corresponding switches, channel B are similar except for the obvious substitutions of corresponding switches, terminals, and indicators.

terminals, and indicators. NOTE:

NOTE: The information in this The information in this manual pertains to monitor maimanual pertains to monitor main boards with part numbern boards with part number 135313-01 and 79482-01.

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SYMBOLS SYMBOLS

Special symbols are used in the manual to illustrate specifics in the step-by-step Special symbols are used in the manual to illustrate specifics in the step-by-step processes.

processes.

CAUTION

1. 1. With some

With some combinations of w

combinations of worst case

orst case high transducer

high transducer scale factors

scale factors

and large full scale ranges, the 3300/20 Monitor may not reach a full

scale reading before going not OK. For example, if the 7200 11mm

transducer option is ordered with a full scale option of 2-0-2 mm or

75-0-75 mil (with or without barriers), worst case conditions could

result in the reduct

result in the reduction of full scale

ion of full scale by about 10%.

by about 10%. Therefore, with this

Therefore, with this

particular option, we recommend setting alarms at

particular option, we recommend setting alarms at least 10% down

least 10% down

from full scale. In all cases, verify that alarms can be reached with the

actual transducer installation being used.

2.

With the 7200 11mm Transducer option and Internal or External

Barriers, the green OK light will not go out if the transducer

probe/cable opens, regardless of the full scale option.

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3300/20 Dual Thrust Position Monitor Operation Manual

1. Dual Thrust Monitor System

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2. Monitor Functions

DUAL THRUST POSITION - Thrust position is the average position, or change in position, of a rotor in the axial direction with respect to some fixed reference. The Dual Thrust Position Monitor provides continuous thrust position monitoring on two channels (A & B) for redundant protection. Normal thrust direction can be toward or away from the probe face. ‘AND’ voting logic ensures that failure of one channel will not give a false Danger alarm. ‘OR’ voting logic allows for two independent thrust channels in less critical applications.

PROBE GAP VOLTAGE - Probe gap is measured as a negative dc voltage that is directly proportional to the gap distance between the face of a proximity probe and the surface being monitored. Probe gap voltage for each channel is displayed on the front panel meter by pressing the GAP switch.

OK - When the proximity output voltage is within its upper/lower limits, the transducer is defined as OK. The OK detection circuit controls the channel OK LED and the monitor relay drive to the OK relay. If the monitor has the latching OK option, a System Reset is required to reset the OK function.

OK RELAY - The OK Relay is located on the Power Input Module. Every channel in the rack must be OK or bypassed to energize the OK Relay.

ALARM - Pressing the ALERT and DANGER switches on the front panel of the monitor causes the corresponding Alert (first-level alarm) or Danger (second-level alarm)

setpoints on each channel to be displayed on the front panel meter. ALERT and DANGER LEDs light when the thrust position signal level exceeds preset levels for the selected time delay, and appropriate ALERT and DANGER alarm relay contacts are activated. Voting logic options determine when the Danger relay contacts are activated.

FIRST OUT - Separate First Out circuits exist for Alert and Danger alarms. A monitor with First out option selected flashes a channel alarm LED if that monitor was the first

channel in the rack to go into alarm. Pressing the RESET switch acknowledges the First Out.

ALARM RELAYS - Monitor alarms can be programmed for either latching or non-latching mode. In the non-latching mode, the alarm resets automatically when the alarm

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Section 2 - Monitor Functions LEDs. Other front panel functions are not affected. This function can be disabled using a jumper within the monitor.

BUFFERED OUTPUT - The channels A and B coaxial cable connectors on the front panel of the monitor and the terminals on the Signal Input Relay Module provide buffered signals from respective channel transducers. These connectors can be used for connection of external equipment.

RECORDER OUTPUT - A recorder output is provided for each channel. Depending on the option selected, the recorder output levels, proportional to full scale, are 0 to -10 Vdc, +1 to +5 Vdc, or +4 to +20 mA.

SELF TEST -The monitor has three categories of self test: cyclic, power-up, and user-invoked.

• _{Power-up self test is performed automatically each time the monitor power is turned}

on. A series of basic tests and transducer OK tests are performed.

• _{Cyclic self test is performed automatically during monitor operation. Errors}

encountered during cyclic test disable the monitor, and flash an LCD bargraph error code. Should the error be intermittent, the monitor will return to operation, but the error codes are stored for retrieval during user-invoked self test. Stored error codes are indicated by the OK LEDs flashing at 5 Hz provided that the channel is OK.

• _{User-invoked test performs power-up self test and allows error messages stored}

during cyclic test to be read and cleared. Stored errors are annunciated by the OK LEDs flashing a 5Hz and the error codes displayed on the front panel LCD bargraph.

SIGNAL RESPONSE TIME

To reduce the chance of alarms caused by axial vibration and shaft runout, the Signal Conditioning performs a running average of the shaft position. This average causes step changes in axial vibration to be integrated over time. The time constant changes

according to the alarm time delay as shown in Table 1.

METER RESPONSE

The meter response time can be selected to be fast or slow. With a fast response, the meter will follow the signal conditioning exactly as seen by the monitor. In installations where there is a large AC component of the thrust signal, this will cause apparent meter jitter. Selecting the slow meter response reduces the meter's response to rapidly

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TABLE 1, RESPONSE TO STEP CHANGE

Meter Response Option Alarm Time

Delay

Signal Conditioning Response Time

Constant * _Fast _Slow

0.1 second 1 second 3 second 6 second 81 ms 180 ms 639 ms 1294 ms 81 ms 180 ms 639 ms 1294 ms 639 ms 967 ms 1294 ms 1622 ms

* The time constant approximates a simple RC response curve where one time constant = 63% of final value and five time constants = 99% of final value.

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Section 3 - LED Functionality

3. LED Functionality

3.1 OK LEDs

* Each channel in the system controls the OK Relay. Therefore any channel can cause a not OK relay condition (Not OK = OFF = de-energized relay).

**Not OK channel can be bypassed to restore relay OK conditions.

 ON  OFF BLINK LED DISPLAY A B CONDITION OK RELAY DRIVE*

 OK  Channel A and B are in operating range. ON

 OK 

 OK 

If a channel's OK LED goes off, that channel is not OK, has been latched not OK, or is bypassed.

OFF**

 OK 

The monitor is in self test, or both channels are not OK or bypassed.

If an error code is displayed refer to the Error Code section in this manual.

OFF**

OK

An LED flashing at 5 Hz indicates that an error was encountered during Cyclic self test. Self Test, Section 17, describes how to read error messages.

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3.2 Bypass LEDs

LED DISPLAY

A B CONDITION

 BYPASS 

The monitor is in the Danger Bypass mode. The system is in the Power-Up mode.

User invoked Self Test is in progress. Both channels are bypassed.

Rack Inhibit contacts at the back of the rack closed.

 BYPASS   BYPASS 

If a single channel's BYPASS LED comes on, that channel is bypassed.

 ON

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Section 3 - LED Functionality

3.3 Alert LEDs

LED DISPLAY A B CONDITION ALERT RELAY DRIVE  ALERT   ALERT   ALERT 

If a channel ALERT LED comes on, that channel has exceeded its Alert setpoint level. Read Setpoint Levels, Section 6,

describes how to read alarm setpoint levels.

ON

 ALERT

ALERT 

A flashing ALERT LED indicates that the channel was the first in the rack to exceed its Alert setpoint since the last power up or reset.

If two channel alert alarms occur within 50 milliseconds, both LEDs could flash.

ON

NOTE: The monitor will not annunciate an alert condition if the monitor is in the non-latching mode and an alert condition existed but is no longer present.

 ON

 OFF BLINK

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3.4 Danger LEDs

DANGER RELAY DRIVE LED DISPLAY A B CONDITION OR Voting AND * Voting  DANGER   DANGER   DANGER 

If a channel's DANGER LED comes on, that channel has exceeded its Danger setpoint level. Section 6 describes how to read setpoint levels. ON ON ON OFF OFF ON  DANGER DANGER 

A flashingDANGER LED indicates that the channel was the first in the rack to exceed its Danger setpoint since the last power up or reset. Two channels may indicate first out following self test.

If two channel danger alarms occur within 50 milliseconds, both LEDs could flash.

ON ON OFF OFF  ON  OFF BLINK

* If one channel in the monitor is bypassed or not OK and if the other channel then goes into Danger, the Danger relay will be activated. ‘AND’ voting with Quad relays must be done externally by wiring contacts in series.

NOTE: The monitor will not annunciate a danger condition if the monitor is in the non-latching mode and a danger condition existed but is no longer present.

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Section 4 - Read Channel Values

4. Read Channel Values

The monitor continuously indicates measured Thrust Position values for channel A and channel B.

Note: The meter scale units must be compatible with the full scale option configured in Section 19.

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5. Read Gap Voltage

1. Press GAP switch and read gap voltage for both Channel A and Channel B on the meter using the center scale on the meter.

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Section 6 - Read Setpoint Levels

6. Read Setpoint Levels

Press the ALERT switch to read the Alert setpoints for both channel A and channel B on the meter scale.

Press the DANGER switch and read the Danger setpoints for both channel A and channel B on the meter scale. In both cases, normal and counter setpoints are displayed.

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7. Monitor Removal and Disassembly

7.1 Remove Monitor from Rack

1. Loosen two monitor retaining screws on the front of the monitor.

2. Pull the monitor from the rack. 3. Remove side cover by pinching the

protruding tip on each standoff.

Caution

Improper rack operation may occur. Power down rack or inhibit rack

alarms when installing or removing a monitor.

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Section 7 - Monitor Removal and Disassembly

7.2 Remove Front Panel

1. Disconnect the ribbon cable by pressing the connector latches outward. 2. Unscrew two sliding standoffs

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7.3 Signal Input Relay Module Removal

The Signal Input Relay Module is on the back of the rack. For relay configuration, see the System Installation Instructions manual. For field wiring, refer to 3300/20 Field Wiring Diagram Packet.

Module Removal

Loosen two screws and pull out the module to remove it.

WARNING

High voltage present. Contact could cause shock, burns, or death. Do not touch exposed wires or terminals.

Caution

Machine protection provided by this monitor will be lost while the Signal Input Relay Module is removed from the rack.

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7.4 Signal Input Relay Modules (SIRM)

A monitor can be configured with the Signal Input Relay Modules shown below. Refer to options CC & EE in Monitor Ordering Options, Section 8.2 of this manual.

NO ALARM RELAYS DUAL ALARM RELAYS QUAD ALARM RELAYS INTERNAL BARRIERS NO RELAYS INTERNAL BARRIERS DUAL RELAYS

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7.5 No Relay and Dual Relay SIRM

High voltage present. Contact could cause shock, burns, or death.

Do not touch exposed wires or terminals.

NOTE: For relay configuration of monitors with Internal Safety Barriers, refer to 3300 Internal Barriers, Installation Manual.

Remove the Signal Input Relay Module from the rack before changing option jumpers.

The entire configuration table applies to the Dual Relay SIRM.

JUMPERS INSTALL REMOVE ALERT RELAYS

Normall Ener ized W3 W4 W11 Normall De-ener ized* W4 W11 W3

DANGER RELAYS

OR Bus

No O tions* --- W5-W8 Alert & Dan er Bus 1 W6 W8 W5 W7 Alert & Dan er Bus 2 W5 W7 W6 W8

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7.6 Quad Relay Signal Input Module Options

WARNING

Remove the Signal Input Relay Module from the rack before changing option jumpers. Note: AND voting logic must be done externally by wiring the contacts in series. The OR bus option is not available with quad relays. See 3300 System Installation Instructions.

JUMPERS INSTALL REMOVE ALERT RELAYS

Normally Energized W3A,W4C W2,W3C, W3D,W4D Normally De-energized* W2,W3C, W3D,W4D W3A,W4C DANGER RELAYS Normally Energized W4B,W4F W1,W3B, W4A,W4E Normally De-energized* W1,W3B, W4A,W4E W4B,W4F

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7.7 Internal Barrier Options SIRM

For relay configuration of monitors with internal safety barriers, refer to the 3300 Internal Barriers Installation Manual (88837) or the 3300 System Installation Instructions (80172). The Alert Relays and Danger Relays sections of the table below do not apply to the No Relay SIRM. Only the OR Bus section of the table below applies to the No Relay SIM.

W8 W7 W6 W5 W4 W3 W2 W1 W 9 W 1 0 JUMPER INSTALL REMOVE ALERT RELAYS Normally Energized W3 W4, W9 Normally De-energized* W4, W9 W3 DANGER RELAYS

OR Bus

No Options*

--- W5-W8

Alert & Dan er Bus 1 W6 W8 W5 W7 Alert & Dan er Bus 2 W5 W7 W6 W8

WARNING

NOTE: * Denotes standard configuration.

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Section 8 - Monitor Options

8. Monitor Options

8.1 Field Programmable Options

* Denotes standard configuration.

++ With Quad Relays, AND voting logic must be done externally by wiring contacts in series.

NOTE: See section 19 for jumper locations and settings. First Out

Enabled*

Alert Reset Mode Latching*

Meter Response Time Fast *

Alarm Delays 0.1 Second 1 Second *

Danger Reset Mode Latching*

Non-latching

Danger Relay Voting++

AND voting for relay drive * OR voting for relay drive Not OK Mode Latching Non-latchin * Recorder Outputs +4 to +20 mA * +1 to +5 Vdc Danger Bypass Enabled Disabled* Normal Direction Toward Probe * Away from Probe

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8.2 Monitor Ordering Options--3300/20

DD EE

AGENCY APPROVAL BARRIERS USED

00 None 01 CSA/NRTL/C 02 BASEEFA 00 None 01 External 02 Internal AA BB CC

FULL SCALE RANGE TRANSDUCER INPUT ALARM RELAY

01 = 25 - 0 - 25 mils 02 = 30 - 0 - 30 mils 03 = 40 - 0 - 40 mils 05 = 50 - 0 - 50 mils 06 = 75 - 0 - 75 mils 11 =0.5 - 0 - 0.5 millimetres 12 =1.0 - 0 - 1.0 millimetres 13 =2.0 - 0 - 2.0 millimetres 01 = 3300 or 7200, Proximitor 8MM & 5MM, 200mV/mil* 02 = 7200 Proximitor (Not XL) 11mm, 100mV/mil 03 = 7200 Proximitor 14mm, 3300 HTPS 100mV/mil 04 = 3000 Proximitor, 200mV/mil** 05 = 3300 RAM or XL NSv Proximitor, 200mV/mil** 00 = None 01 = Epoxy Sealed 02 = Hermetically Sealed 03 = Quad Relays*** Epoxy Sealed 04 = Spare Monitor-No SIM/SIRM

* Only for range options 01,02, 03,11, and 12. ** Only for range options 01 and 11.

*** Quad relays are not available with internal barriers.

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Section 9 - Meter Scale Replacement

9. Meter Scale Replacement

The monitor meter scales can be replaced for operation with different full scale ranges. The replacement meter scales are located in the back of this manual.

1. Set the monitor full scale range. (See the Appendix A, Main Board Options.)

2. Cut the meter scale from the back of this manual. Be sure to cut along the marked outline so the meter scale will fit properly.

3. Open the front panel by loosening the two monitor retaining screws and sliding the front panel to the right.

4. Remove the old meter scale.

5. Insert the new meter scale in the front panel. 6. Close the front panel.

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10. Alarm Setpoint Adjustment

1. Open the front panel by loosening the two monitor retaining screws and sliding the front panel to the right.

2. Select the channel to be adjusted by setting either switch AA (Adjust channel A) or

AB (Adjust channelB) to the left (ON). Select Normal or Counter Setpoint by setting theN/C switch to the desired position, left for Normal or right for Counter. The selected bargraph will start flashing.

3. Adjust the Alert or Danger setpoints by pressing and holding the ALERT orDANGER

button on front panel and then press the ( adjust setpoint value up or down.

4. Reset the selected channel adjust (AA orAB) switches to the right (OFF).

NOTE: The monitor responds to the previous setpoint until the channel adjust switch is turned off.

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Section 11 - Channel Bypass

11. Channel Bypass

You can use Channel Bypass to take a Not OK or unconnected channel off line. This will restore the OK Relay to the OK state. The OK Relay will de-energize (go Not OK) if any channel in the rack is in a Not OK condition.

1. Open the front panel by loosening the two retaining screws and sliding the front panel to the right.

2. SetBA (Bypass Channel A) orBB (Bypass Channel B) switch to the left (ON). The correspondingBYPASS LED comes on, the OK LED goes off, and the channel reading is clamped to zero.

3. Close the front panel.

NOTE

When Channel Bypass is switched on, channel alarms are cleared.

Caution

Machine protection provided by this monitor will be lost while Channel Bypass is on.

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12. Danger Bypass

1. Open the front panel by loosening the two retaining screws and sliding the front panel to the right.

2. SetDB (DangerBypass) switch to the left (ON). Both channel BYPASS LEDs come on. TheDANGER LEDs on the front panel can come on, but the danger relay drive will not be activated if a Danger setpoint is exceeded. The Danger Bypass switch can only be turned on if Danger Bypass is enabled. To enable the Danger Bypass switch refer to Appendix A of this manual.

3. Close the front panel.

Caution

Machine protection provided by this monitor will be lost while Danger Bypass is on.

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Section 13 - Test Setup

13. Test Setup

Use the following setup and procedures to test the alarm setpoints that you set in the Alarm Setpoint Adjustment Procedure Section, to test the OK Limits and to Calibrate the monitor. These tests use either a TK3 Calibration instrument or a power supply to vary the input signal so that you can verify that the appropriate LEDs and relays activate. Use this procedure to test and calibrate both channels. You will need these instruments and tools

• _{Multimeter (4 ½ digit display)}

• _{Power supply (0 to -50 Vdc) or a Bently Nevada TK3 Calibration Instrument} • _Screwdriver

Testing involves these main steps:

• _{Connect and adjust the test instruments}

• _{Test the Alarms (Alert and Danger in both Normal and Counter directions)} • _{Test the OK Limits}

• _{Calibrate both Channels including Zero Position adjustment} • _{Prepare to bring the monitor on line}

Caution

Tests will exceed alarm setpoint levels causing alarms to activate. This could result in relay contacts changing state. See Danger

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13.1 Connect a DC Power Supply

1. Disconnect all transducer wiring from the channel A terminals on the Signal input Relay Module.

2. Connect the power supply and multimeter as shown in the figure above. 3. Adjust the power supply voltage for 0 mil (0 mm) on the monitor display. 4. Press theReset switch on the system monitor and verify the following:

• _OK_{LEDs are on}

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Section 13 - Test Setup

13.2 Connect a TK3 Calibration Instrument

1. To use the TK3, disconnect the extension cable from the probe.

2. Reconnect the extension cable to an identical probe on a TK3 and connect the multimeter as shown in the figure above.

3. Adjust the gap voltage for 0 mil (0 mm) on the monitor display.

4. Press the Reset switch on the system monitor and verify the following: • _OK_{LEDs are on}

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14. Test Alarms

14.1 Test the Alert Setpoint Level

1. Adjust the power supply voltage past the Alert Setpoint level in the Normal direction and verify that the ALERT LED comes on (flashing if the First Out Option is selected). 2. Verify that the Alert Relay changed state.

3. Press theRESET switch on the system monitor and verify that theALERT LED remains on steady.

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Section 14 - Test Alarms

14.2 Test the Danger Setpoint Level

1. Adjust the power supply voltage past the Danger Setpoint level in the Normal direction and verify that theDANGERLED comes on (flashing if the First Out Option is selected).

2. Verify that the Danger Relay changed state. If Danger ‘AND’ Voting logic is selected, the relay will not change state until the other channel exceeds the Danger

Setpoint (unless the other channel is Not OK or bypassed).

3. Danger ‘AND’ Voting is not active if the second channel is bypassed. If one channel is bypassed, a signal level exceeding the Danger Setpoint level on the

non-bypassed channel will cause the Danger Relay to

change state. The Danger Bypass switch being on will inhibit the relay from changing state.

4. Press theRESET switch on the System Monitor. 5. Verify that theALERT andDANGER LEDs remain on

and steady.

6. Repeat the Alert and Danger Setpoint Level tests for the Counter direction.

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15. Test OK Limits

Before bringing the monitor on line, use this procedure to check that the OK Limits for channels A and B are working properly. You will need equipment as described in the Test Setup section.

1. Adjust the gap voltage for approximately -9.0 Vdc with

respect to common and verify the

OK LED is on for the channel being tested. PressRESET on the system monitor to turn on theOK LED if the latching OK mode is installed.

Note: All other channels in the rack must be OK or bypassed in order for the relay to change states. High voltage present. Contact could cause shock, burns, or death.

Caution

Tests will exceed alarm setpoint levels causing alarms to activate. This could result in relay contacts changing state. See Danger

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Section 15 - Test OK Limits

2. Change the gap voltage to be more positive until the OK LED goes off (lower limit). Check the probe gap voltage on the multimeter per the following table:

TRANSDUCER TYPE * ACCEPTABLE GAP VOLTAGE RANGE_{(LOWER LIMIT)} 3000, 3300 RAM or XL NSv Transducer -1.15 Vdc to -1.41 Vdc

3300 & 7200, 5 mm/8 mm, without External Barriers

-1.27 Vdc to -1.43 Vdc 3300 & 7200, 5 mm/8 mm, with External Barriers -1.30 Vdc to -1.50 Vdc 7200 Transducer, 11 mm probe (not 3300 XL) -2.96 Vdc to -3.25 Vdc 7200 14 mm probe or 3300 HTPS Transducer -1.45 Vdc to -1.65 Vdc

* See CAUTION on page v of this manual. See Mod 146300-01 for 3300 XL 11mm Transducers.

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4. Gradually change the gap voltage (more negative) until the OK LED goes off (upper limit). Verify that the upper OK Limit is per the following table:

TRANSDUCER TYPE * ACCEPTABLE GAP VOLTAGE RANGE

(UPPER LIMIT)

3000, 3300 RAM or XL NSv Transducer -12.56 Vdc to -13.07 Vdc 3300 & 7200, 5 mm/8 mm, without External

Barriers

-18.51 Vdc to -18.80 Vdc 3300 & 7200, 5 mm/8 mm, with External Barriers -17.71 Vdc to -17.91 Vdc 7200 Transducer, 11 mm probe (not 3300 XL) -19.78 Vdc to -20.14 Vdc 7200 14 mm probe or 3300 HTPS Transducer -18.17 Vdc to -18.53 Vdc

5. Return the gap voltage to –9.0 Vdc and verify that the OK LED lights and the OK Relay energizes.

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Section 16 - Calibrate Channels

16. Calibrate Channels

16.1 Calibration Procedure

Before you begin Channel Calibration, you must choose the full scale range and set the appropriate jumpers (See Section 19). You will need equipment as described in the Test Setup, section 13. (Repeat for channels A and B.)

1. Slide front panel to right and adjust the input signal voltage at the SIRM to obtain a voltage of +2.5 Vdc at the Channel A test point (BPPLA). Measure and record the input voltage. This value will be the zero voltage used in step 3.

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3300/20 Dual Thrust Position Monitor Operation Manual 2. Verify that monitor display indicates 0 mil (0mm). 3. Change the input voltage for full scale value.

• _{1 mil = 200 mV} • _{1 mm = 7.87 Vdc}

For systems with external barriers, use:

• _{1 mil = 192 mV} • _{1 mm = 7.56 V}

For example: The scale factor is 200 mV/MIL for 40 - 0 - 40 mil range, with 5 mm probe, and without barriers. Full scale voltage change would be: 40x200 mV/MIL = 8.000 Vdc.

• _{If Normal direction is toward the probe, the full scale value is the zero}

voltage minus the full scale voltage. For example, with a zero voltage (from step 1) of -10.00 Vdc the full scale value is: (-10.000) - (-8.000) = -2.000 Vdc input.

• _{If Normal direction is away from the probe, the full scale value is the zero} voltage plus the full scale voltage. For example, with a zero voltage (from step 1) of -10.00 Vdc the full scale value is: (-10.000) + (-8.000) = -18.000 Vdc input.

NOTE: See Section 16.2, Zero Voltage Adjust, for the zeroing voltage appropriate for your transducer.

4. For Normal direction - Adjust potentiometer (GA) for +5.00 Vdc on Channel A test point. For Counter direction - Adjust potentiometer (GA) for 0.0 Vdc on Channel A test point. Verify that the front panel indicates full scale and that the recorder output matches the option selected.

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16.2 Zero Voltage Adjust

NOTE: The monitor expects a specific gap voltage when the rotor is at its zero position. The type of transducer being used determines this voltage. In the following procedure, the probe gap is adjusted so that the appropriate voltage is output by the probe when the rotor is at its zero position.

1. Ensure that rotor is set to the desired zero position (against active or inactive bearing, or center of float zone).

2. Connect a multimeter to IN and COM terminals on the monitor Signal Input Module as shown below.

2. Adjust probe gap for zeroing voltage specified below for the transducer type installed.

TRANSDUCER TYPE * ZEROING VOLTAGE (PROBE GAP

VOLTAGE)

3000, 3300 RAM or XL NSv Transducer -7.00 Vdc ±_{0.50 Vdc} 3300 & 7200, 5mm/8mm, without External

Barriers

-10.00 Vdc ±_{0.20 Vdc} 3300 & 7200, 5mm/8mm, with External Barriers -9.83 Vdc ±_{0.20 Vdc} 7200 Transducer, 11mm probe (not 3300 XL) -11.60 Vdc ±_{0.20 Vdc} 7200 14mm probe or 3300 HTPS Transducer -10.00 Vdc ±_{0.20 Vdc}

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3. Slide the front panel of the monitor to the right and connect a multimeter to

Channel A test point BPPLA. Adjust Channel A zero potentiometer (ZA) for +2.500 Vdc. The monitor bargraph should display zero.

NOTE: If the monitor will not zero and re-gapping the probe is not practical, the zero adjust range can be increased by changing the jumpers listed in the following tables.

If the zero adjustment range is increased, it is important to verify that the OK voltage level check recognizes Not OK conditions. After selecting the new zeroing range and calibrating the monitor, verify that the OK LEDs go out when the shaft is at either of its extreme limits. If the OK LEDs do not go out, the system must be recalibrated and the OK limits checked again until this requirement is met.

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CAUTION

If you extend the zero adjustment range to 7.5 mils, you may prevent the monitor from reaching a full scale reading and your alarm setpoints.

This caution applies to ALL transducers with or without barriers.

Main Board 135313-01

Zero Adjustment Range* Transducer Range

REMOVE INSTALL 3000 and 3300 RAM or XL NSv 25 - 0 - 25 mils W23C (±2.5 mils) W23B (±7.5 mils) 7200 - 5mm/8mm & 3300 5mm/8mm

with and without Barriers _{40 - 0 - 40 mils} 1 - 0 - 1 mm W23C (±2.5 mils) W23C (±0.0635 mm) W23B (±7.5 mils) W23B (±0.1905 mm) 7200 with 11 mm/14 mm probe or 3300 HTPS 75 - 0 - 75 mils 2 - 0 - 2 mm W23C (±5.0 mils) W23D (±0.0635 mm) W23B (±15.0 mils) W23C (±0.1270 mm) or W23B (±0.3810 mm) Main Board 79482-01

Zero Adjustment Range* Transducer Range

REMOVE INSTALL 3000 and 3300 RAM or XL NSv 25 - 0 - 25 mils W3D (±2.5 mils) W3B (±7.5 mils) 7200 - 5mm/8mm & 3300 5mm/8mm

with and without Barriers _{40 - 0 - 40 mils} 1 - 0 - 1 mm W3D (±2.5 mils) W3D (±0.0635 mm) W3B (±7.5 mils) W3B (±0.1905 mm) 7200 with 11 mm/14 mm probe or 3300 HTPS 75 - 0 - 75 mils 2 - 0 - 2 mm W3D (±5.0 mils) W3C (±0.0635 mm) W3B (±15.0 mils) W3D (±0.1270 mm)

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16.3 Prepare to Bring the Monitor On Line

(Repeat for channels A and B)

1. Reduce the input amplitude to below the alarm setpoints and observe that the

ALERT andDANGER LEDs go off (if non-latching alarm jumpers are installed). 2. Press theRESET switch on the System Monitor to reset latching alarms.

3. Disconnect the test equipment and reconnect the transducers to their respective channels in accordance with the field wiring diagrams at the end of this manual. Verify that theOK LEDs come on and the OK Relay energizes (if non-latching OK mode is selected).

4. Press theRESET switch on the System Monitor to reset latching not OKs. 5. If the Channel Bypass or the Danger Bypass functions were activated for this

procedure, deactivate them before monitoring resumes (see Sections 11 & 12 of this manual).

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Section 17 - Self Test

17. Self Test

The monitor has three levels of self tests:

SELF TEST PERFORMED

Power-up When the monitor is turned on. Cyclic Continuous during monitoring

operations. User-invoked

When you initiate the self test by temporarily shorting the self-test pins.

When the monitor detects an error, it displays an error condition two ways depending on whether the error is active or stored. An active error is an error that currently exists. A stored error condition results from a storable error momentarily occurring after the last time all errors were cleared.

If the monitor detects an active error, the following events occur:

• _{Monitoring stops until the problem is resolved} • _{The error code is stored in memory and flashes on}

the LCD bargraph

• _The_BYPASS_{LEDs come on} • _The_OK_{LEDs flash at 5 Hz} • _The_OK_{Relay de-energizes}

Active errors that do not flash the OK LEDs require user-invoked self test or may require recycling power to clear them. If either of these actions fails to clear the error refer to the Error Codes section.

If the monitor no longer detects an active error and a stored error exists, the following events occur:

• _{Monitoring resumes}

• _{If the} _OK_{LED would otherwise be on, the} _OK_{LEDs flash} at 5 Hz to indicate that an error code has been stored • _{If all other channels in the rack are OK, the} _OK_{relay will} Active Error Indication

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Recall stored error codes by using the User-invoked self test. Use the following steps to run the User-invoked self test, read error codes, and clear stored error codes:

Note: If any error is active, a Userinvoked self test cannot be initiated. Refer to the error Codes Section.

1. Initiate the User-invoked self test by shorting the two self test pins (ST) with a screwdriver. All the LEDs and LCD

elements will come on for 5 seconds. The

OKrelay will de-energize during this test.

If an active or stored error is present at the end of the self test, the BYPASSLED remains on, theOKLEDs flash at 5 Hz, and the first error code flashes at 2 Hz on the LCD bargraph.

The error code is given by the number of flashing segments in one column of the bargraph. For example, the monitor to the right is indicating error codenumber 6

Caution

Machine protection provided by this monitor will be lost for the duration of the self test.

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Section 17 - Self Test

2. Read any other stored error codes by pressing and holding the ALERT

switch for approximately one second.

For example, the display to the far right contains a second stored error code - number 10.

4. When you reach the end of the error code list, the LCD bargraph comes on with all LCD segments lit and the OK LEDs turned off.

You may read through the list again by continuing to press the

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18. Error Codes

Refer to the Monitor Functions, Section 2 and Self Test, Section 17 for more information about displaying error codes. Refer to the Self Test section for information about

clearing stored errors.

ERROR CODE

DESCRIPTION EXPLANATION/RECOVERY

2 ROM checksum failed. Tested at power up and User-invoked self test. This error is displayed on the front panel, but is not stored in memory. Install your spare monitor or contact your local Bently Nevada office for service.

3 Nonrecoverable EEPROM failure. Tested only at Cyclic self test. Install your spare monitor or contact your local Bently Nevada office for service.

4 EEPROM failure. May be corrected by adjusting alarm setpoints in the monitor (See section 10). If setpoint adjustment fails to correct this error, install your spare monitor or

contact your local Bently Nevada office for service.

5 +7.5V/-VT node out of tolerance. 6 +VRH node out of tolerance. 7 +5V node out of tolerance. 8 MVREF node out of tolerance. 9 +7.5V node out of tolerance. 10 +VRL node out of tolerance. 11 MVREF/-6.5V node out of

tolerance.

12 +5V/-7.5V node out of tolerance. 13 Clock OK voltage out of

tolerance.

Tested cyclically. If it is a stored error, recall and clear the error codes as described in the Self Test, Section 17. If it is an active error, replace the monitor with a spare or contact your local Bently Nevada office for service.

14 RAM failure.

17 COP watchdog not configured.

Tested only at Power-up or User-invoked self test. These errors are displayed on the front panel but not stored in memory.

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Section 19 - Appendix A–Main Board Options

19. Appendix A–Main Board Options

19.1 Jumper Locations for PWA 135313-01

The Thrust Position Monitor has several user-programmable options. Removing and installing jumpers on the main circuit board can change the options. This section

includes a jumper location diagram and a programmable option table for PWA 135313-01 (new) followed by a jumper location diagram and a programmable option table for PWA 79482-01 (old).

IMPORTANT!

W25, W26, and W31 on PWA 135313-01 are for factory use only and should not be changed.

For normal operation W25, W26, and W31 should be removed.

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19.2 Full Scale Options for PWA 135313-01

Use these and the tables on the following pages to configure main board options:

* To change to a new full scale and transducer option, remove jumpers from W23A-R then install the jumpers specified in the table. FULL SCALE OPTIONS *

MILS MILLIMETRES Transducers 25 -0- 25 30 -0- 30 40 -0- 40 50 -0- 50 75 -0- 75 0.5 -0- 0.5 1- 0 -1 2 - 0 - 2 3000 Series, 3300 RAM or XL NSv Proximitors, 200mV/mil W23C,J, L W23B,E,J,L 3300 & 7200 SERIES WITHOUT EXTERNAL BARRIERS (200 mV/MIL) W23A,H, L,M,P W23B,H, L,M,P W23C,G, H,L,M,P W23A,E,H, L,M,P W23C,G, H,L,M,P 3300 & 7200 SERIES WITH EXTERNAL BARRIERS (192 mV/mil) W23A,K, O,R W23B,K, O,R W23C,G, K,O,R W23A,E,K, O,R W23C,G, K,O,R 7200 SERIES 11 mm, (Not XL), (100 mV/MIL) W23B,E, F,I,L,N,Q W23B,E, F,I,L,N,Q W23B,E, I,L,N,Q W23B,I, L,N,Q W23C,G, I,L,N,Q W23B,F,I, L,N,Q W23B,E,I, L,N,Q W23D,G, I,L,N,Q 7200 SERIES 14 mm or 3300 HTPS Proximitors (100 mV/MIL) W23B,E, F,H,L,N, Q W23B,E, F,H,L,N, Q W23B,E, H,L,N,Q W23B,H, L,N,Q W23C,G, H,L,N,Q W23B,F,H, L,N,Q W23B,E,H, L,N,Q W23D,G, H,L,N,Q

CAUTION

Changing full scale requires recalibration of both channels (see "Calibrate Channel", section 16).

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19.3 Main Board Option Settings for PWA 135313-01

Jumper

Option Setting

Install Remove

First Out Enabled* Disabled

---W24G

W24G ---Alert Mode Latching*

Non-latching

---W24F

W24F ---Danger Mode Latching*

Non-latching

---W24H

W24H ---Danger Voting AND Relay Drive*++

OR Relay Drive

---W24I

W24I ---Danger Bypass Enabled

Disabled* W24B ---W24B Alarm Delays 0.1 s 1 s* 3 s 6 s W24E ---W24D,E W24D W24D W24D,E ---W24E Not OK Mode Latching

Non-latching*

W24A

---W24A Normal Direction Toward Probe* Ch A

Ch B Away From Probe Ch A Ch B ---W24J W24K W24J W24K ---Meter Response Time Fast*

Slow

---W24C

W24C ---Recorder Output +4 to +20 mA*

+1 to +5 Vdc 0 to -10 Vdc W28A, W29A W28B, W29B W28B, W29B, W30A,B,C,D W28B, W29B, W30A,B,C,D

W28A, W29A, W30A,B,C,D

W28A, W29A

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19.4 Jumper Locations for PWA 79482-01

CAUTION

Changing full scale requires recalibration of both channels (see "Calibrate Channel" section).

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19.5 Full Scale Options for PWA 79482-01

* To change to a new full scale and transducer option, remove jumpers from W2-A,B,C, W3-A,B,C,D,E,F,W4A,B,C,D,E,F,G, W5-A,B,C,D,E,F, and W6-A,B then install the jumpers specified in the table.

NOTE: For 3300 XL 11mm transducers, use mod 146300-01. FULL SCALE OPTIONS *

MILS MILLIMETRES Transducers 25 -0- 25 30 -0- 30 40 -0- 40 50 -0- 50 75 -0- 75 0.5 -0- 0.5 1- 0 -1 2 - 0 - 2 3000 Series, 3300 RAM or XL NSv Proximitors, 200mV/mil W2A,B, W3D, W4C,E,G,W 6B W2C, W3B, W4C,E,G, W6B 3300 & 7200 SERIES WITHOUT EXTERNAL BARRIERS (200 mV/mil) W2A,B, W3F, W4A,E,G, W5A,D, W6B W2A, W3E, W4A,F,G, W5A,D, W6A W2A, W3D, W4A,E,G, W5A,D, W6B W2C, W3F, W4A,E,G, W5A,D, W6B W2A, W3D, W4A,E,G, W5A,D, W6B 3300 & 7200 SERIES WITH EXTERNAL BARRIERS (192 mV/mil) W2A,B, W3F, W4D,E, W5C,F, W6B W2A, W3E, W4D,F, W5C,F, W6A W2A, W3D, W4D,E, W5C,F, W6B W2C, W3F, W4D,E, W5C,F, W6B W2A, W3D, W4D,E, W5C,F, W6B 7200 SERIES 11 mm (Not XL) (100 mV/mil) W2C, W3A, W4B,G, W5B,E W2C, W3E, W4B,G,F, W5B,E, W6A W2C, W3B, W4B,E,G, W5B,E, W6B W2A,B, W3B, W4B,E,G, W5B,E, W6B W2B, W3D, W4B,E,G, W5B,E, W6B W2A,C, W3B, W4B,E,G, W5B,E, W6B W2C, W3B, W4B,E,G, W5B,E, W6B W2A, W3C, W4B,E,G,W 5B,E, W6B 7200 SERIES 14 mm or 3300 HTPS Proximitors (100 mV/MIL) W2C, W3A, W4A,G, W5B,E W2C, W3E, W4A,G,F, W5B,E, W6A W2C, W3B, W4A,E,G, W5B,E, W6B W2A,B, W3B, W4A,E,G, W5B,E, W6B W2B, W3D, W4A,E,G, W5B,E, W6B W2A,C, W3B, W4A,E,G, W5B,E, W6B W2C, W3B, W4A,E,G, W5B,E, W6B W2A, W3C, W4A,E,G, W5B,E, W6B

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19.6 Main Board Option Settings for PWA 79482-01

Jumper

Option Setting

Install Remove

First Out Enabled* Disabled

W16A

---W16A Alert Mode Latching*

Non-latching

W15C

---W15C Danger Mode Latching*

Non-latching

W16B

---W16B Danger Voting AND Relay Drive*++

OR Relay Drive

W16C

---W16C Danger Bypass Enabled

Disabled* W20 ---W20 Alarm Delays 0.1 s 1 s* 3 s 6 s ---W15B W15A W15A,B W15A,B W15A W15B ---Not OK Mode Latching

Non-latching*

W19

---W19 Normal Direction Toward Probe Ch A

Ch B Away From Probe Ch A Ch B W1 W18 ---W1 W18 Meter Response Time Fast* Slow ---W21 W21 ---Recorder Output +4 to +20 mA +1 to +5 Vdc 0 to -10 Vdc W7A,C,E,F; W8B,C; W10A,B; W11B,C; W12A,C,E,F W7B,D; W8A,E; W10A,B; W11A,E; W12B,D W7B,D; W8D,F; W9A,B; W11D,F; W12B,D W7B,D; W8A,D,E,F; W9A,B; W11A,D,E,F; W12B,D W7A,C,E,F; W8B,C,D,F; W9A,B; W11B,C,D,F; W12A,C,E,F W7A,C,E,F; W8A,B,C,E; W10A,B; W11A,B,C,E; W12A,C,E,F

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19.7 Expander Board Installation/Removal,

PWA 79482-01

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20. Recommended Spare Parts

To order replacement parts see the Specifications and Ordering Information section at the end this manual. The complete part number must be specified, as indicated on the identification decal. The part number is explained on page 19.

If you have a monitor that has been modified, the modification number must be specified on the parts order. The modification number (if any) will be shown on the identification decal.

If in doubt about the part number, call your Bently Nevada representative before ordering the part.

The customer programmable options on replacement parts will be set as shown in Section 19.

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Section 21 - Index

21. Index

A Adjustments...22, 25, 26, 33, 34 Alarm...2, 3, 22, 25, 37, 38, 45, 48 Alert ...2, 7, 11, 18, 22, 28, 45, 48 B Barriers... 15, 18, 20, 34, 44, 47 Buffered Output ... 3 Bypass, Channel... 5, 23, 30 Bypass, Danger ...2, 6, 24, 45, 48 C Calibration ...25, 33, 43 Configuration ... 15, 19, 44, 47 D Danger ... 2, 8, 11, 18, 22, 24, 29, 45, 48 Direction, Normal/Counter... 11, 28, 45, 48 E Error...3, 5, 40, 42 Error Reset...41 F Field Wiring ...1, 14 First Out ... 2, 28, 29, 45, 48 Flashing LCD... 3, 22, 41 Flashing LED ... 2, 3, 5, 28, 29, 41 I Inhibit...2, 6, 12, 29 J Jumper Settings... 3, 19, 33, 43, 46 L Latching/Non-latching...2, 5, 30, 38, 45, 48

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