PolyIT Adjustment

© Siemens AG

The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. Print No.: V a ssh o lz

POLYDOROS IT / IT-S

POLYDOROS IT / IT-S

Adjustment

CO

2003 COPL-136.842.02.05.02 Replaces: COPL-136.842.02.04.02 English

Doc. Gen. Date: 08.05

POLYDOROS IT / IT-S

05760090 07759728 05760082 07463909

2

Revision / Disclaimer

1Revision / Disclaimer

Document revision level

The document corresponds to the version/revision level effective at the time of system delivery. Revisions to hardcopy documentation are not automatically distributed. Please contact your local Siemens office to order current revision levels.

Disclaimer

The installation and service of equipment described herein is to be performed by qualified personnel who are employed by Siemens or one of its affiliates or who are otherwise authorized by Siemens or one of its affiliates to provide such services.

Assemblers and other persons who are not employed by or otherwise directly affiliated with or authorized by Siemens or one of its affiliates are directed to contact one of the local offices of Siemens or one of its affiliates before attempting installation or service pro-cedures.

Siemens AG COPL-136.842.02.05.02 POLYDOROS IT / IT-S 08.05 CS PS 212

Table of Contents

3

Page 3 of 10 Medical Solutions 1- 0Table of Contents

1 _______ General Information______________________________________________ 4

See Configuration. . . 4 General Information . . . 4

General Safety Information . . . 4

Additional Safety Measures with Power Storage Unit, ESU, Installed . . . 4

Service with the Control Consoles . . . 4

2 _______ Adjustments ____________________________________________________ 5

Adjustments with the Control Consoles . . . 5

IONTOMAT . . . 5

Tube Adjustment. . . 5

Stat. Inverter Adjust . . . 5

Tube Warm-up . . . 6

Filament Learn . . . 6

mAs Relay Adjust . . . 7

Low voltages. . . 9

4

General Information

2-1General Information

See Configuration

0

General Information

0

see (COPL-136.843.02 / General)

General Safety Information

0

see (COPL-136.843.02 / General Safety Information)

Additional Safety Measures with Power Storage Unit, ESU, Installed

0

see (COPL-136.843.02 / Additional Safety Measures with the Power Storage Unit, ESU, Installed)

Service with the Control Consoles

0

Siemens AG COPL-136.842.02.05.02 POLYDOROS IT / IT-S 08.05 CS PS 212

Adjustments

5

Page 5 of 10 Medical Solutions 3-2Adjustments

Adjustments with the Control Consoles

0

The adjustments in these instructions are described so that they can be used for both control consoles.

•

Switching the generator from normal mode to service is performed according to "Ser-vice Mode".

•

The service menus, etc. intended for the adjustment as well as the structure of the menus are described in the Configuration Instructions (COPL-136.843.03 / Standard Console Configuration Lists) or (COPL-136.843.03 / Touch Panel Configuration List).

IONTOMAT

0

Adjustment / Setting / Testing the IONTOMAT is described in detail in the Startup Instruc-tions.

Tube Adjustment

0

Is a super ordinate menu so that, depending on the selection, there is a branching into "Tube warm up" or "Tube Learn filament" (only with the standard console).

Stat. Inverter Adjust

0

In this mode, the parallel frequency of the oscillating circuit of the inverter is adjusted automatically.

•

This adjustment absolutely must be performed after replacing the following parts in the oscillation circuit:

- Inverter - Parallel coil - Cabling

- High voltage transformer / single tank - D 500

NOTE The exposure button starts the automatically running function

(ex-posure series). The ex(ex-posure button must be held for the entire pe-riod of the exposure series. If the button is released too soon, Error 0021 is displayed.

The user is requested to repeat the function.

Exposure data are automatically displayed on the control console.

•

When the exposure button is pressed, the generator starts the automatic adjustment.

6

Adjustments

Tube Warm-up

0

NOTE For the time being, absolutely perform the “Stat. Inverter Adjust”

adjustment.

With this function, the tube unit is conditioned, or the tube unit can be brought up to the operating temperature for the "Tube Learn filament".

Appropriate exposure data are automatically displayed on the control console.

•

When the "Main Contact" exposure button is pressed, the generator starts the first ex-posure.

- The pause time and the progress of the "series", step X of 11, is displayed on the con-trol console (depending on the concon-trol console, the pause time is signaled by a beep-ing sound).

NOTE During the exposure series (11 exposures), the trigger switch can

remain pressed or each exposure is triggered individually.

•

After completing it, there is a return to the super ordinate menu.

NOTE With the Standard Console: The screen is exited with the kV-

but-ton and there is a return to the super ordinate menu.

Filament Learn

0

NOTE For the time being, absolutely perform the “Stat. Inverter Adjust”

adjustment.

In this mode, the transition between standby and exposure heating is adjusted automati-cally.

NOTE For the time being, the tube unit must be brought up to the

operat-ing temperature, e.g. with "Tube Warm-up" or with soperat-ingle shots.

First the adjustment is made with a long preparation time (without pushing). - Large focus, 10% tube load

- Large focus, 80% tube load - Small focus, 10% tube load

- Small focus, 80% tube load (if 1 or 2 times the reference value for the heating current occurs during the 10% exposure, the 80% exposures are shot at only 60%).

Siemens AG COPL-136.842.02.05.02 POLYDOROS IT / IT-S

08.05 CS PS 212

Adjustments

7

Page 7 of 10 Medical Solutions

- Large focus, 10% tube load, push factor 1.05 - Large focus, 80% tube load, push factor 1.15 - Small focus, 10% tube load, push factor 1.05 - Small focus, 80% tube load, push factor 1.15

NOTE The exposure button starts the automatically running function

(ex-posure series). The ex(ex-posure button must be held for the entire pe-riod of the exposure series; if the button is released too soon, Error 0021 is displayed.

The user is requested to repeat the function.

•

When the "Main Contact" exposure button is pressed, the generator starts the expo-sure series.

NOTE If the exposure series is interrupted (abort by the user or by an

er-ror that occurs, door contact open,...), a pause absolutely must be observed prior to restarting the exposure series. Pay attention to the X-ray tube unit temperature, because the "pause time display" is not current.

•

After completing it, there is a return to the super ordinate menu.

mAs Relay Adjust

0

In this mode, the mAs relay can be adjusted. To do this, connect an mAs test meter to the D500 board.

•

Connect the test meter on the D500 board at X220, Pins 1 and 2.

•

Set the S2 mA measuring switch (D500) to position "2". LED V67 goes on.

•

Exposure data are automatically displayed on the control console. - 70 kV

- 80 mAs

NOTE The generator always shoots with the same value as for the

adjust-ment so the every time the adjustadjust-ment is performed, the "same" difference between the display and the measured value results. For a check, an exposure should be triggered outside of service. However, the check is not required!

•

When the "Main Contact" exposure button is pressed, the generator starts the expo-sure.

- Once the exposure is completed, the mAs display blinks in the display.

•

Compare the measurement value and the value indicated on the display.

- If the values are different, the measured value must be entered directly with the mAs keys or on the Touch Panel.

8

Adjustments

•

With the Standard Console: The changed value is saved with the "M" button and there is a return to the super ordinate menu.

•

With the Standard Console: There is a return to the super ordinate menu with the "kV" key without saving the value.

•

Set the S2 mA measuring switch (D500) to position "1". LED V67 does not go on.

Siemens AG COPL-136.842.02.05.02 POLYDOROS IT / IT-S 08.05 CS PS 212

Adjustments

9

Page 9 of 10 Medical Solutions

Low voltages

0

NOTE The generator low voltages (+15V / -15V ...) result from the

adjust-ment of the 5V. For setting values and test points, see Wiring Dia-gram (COPL-136.844.03

10

Changes to Previous Version

4-3Changes to Previous Version