There are five levels of security access on EMCP 3 GSC display. LEVEL 0, LEVEL 1, LEVEL 2,
LEVEL 3, and SERVICE TOOL are the five levels. Any configurable parameter or function that is
set to Level 0 can be accessed by anyone at any time, and there will never be any security information on the display screen.
LEVEL 1 ACCESS and LEVEL 2 ACCESS represent increasing levels of access to the setpoints and
functions of the controller. Both levels 1 and 2 can be password protected with separate user- defined passwords.
LEVEL 3 ACCESS is password protected at the factory, and requires contacting the Caterpillar
DEALER TC to obtain a password.
If the present security level of the controller is below the level needed to perform a desired function, a padlock and a number will be displayed at the bottom right hand corner of the display. The number represents the level of security that is required in order to perform the desired function; 1, 2, or 3.
If there is a padlock but no number, then the Caterpillar® Service Tool is required in order to perform the desired function; or the setpoint may be read only and cannot be changed.
All of the adjustable parameters are associated with a specific level of security required to make an adjustment to the parameter. Certain functions, such as resetting the number of crank attempts, are also associated with a specific level of security. The passwords only affect actions taken at the EMCP 3 GSC. Access of the EMCP 3 GSC remotely via the Caterpillar® Service Tool or via the SCADA data link is not affected by the security level on the EMCP 3 GSC display.
Changing parameters with the Caterpillar® Service Tool does not require passwords, since the Service Tool is already at the Service Tool security level.
When connecting via the SCADA DATA LINK, passwords can also be used. The levels of access granted via SCADA are identical to the levels of access granted at the EMCP 3 GSC. However, the passwords themselves may differ. Further more, the EMCP 3 GSC and the SCADA data link may be at different levels of access at any given time. For more information about SCADA security see Chapter 21.1 DATA LINK SECURITY.
Level 1 and Level 2 passwords are DISABLED when shipped from the factory. Level 1 and Level 2 passwords can be user defined if desired. If the Level 1 and Level 2 passwords are not user defined, the Level 2 will be the MINIMUM LEVEL. All parameters that require Level 0, Level 1, or Level 2 security will be able to be changed by anyone at any time.
6 SECURITY NOTE: The EMCP 3 GSC will always move up in security level to the highest level of
access that is not password protected when a certain level of access is requested. For example, if a Level 1 password has been defined, but a Level 2 password has not, the GSC will start at Level 0 on power up. When the Level 1 password is entered, the GSC will move up to Level 2 access.
THE SECURITY MENU
To get to the security menu: At the MAIN MENU screen
SCROLL DOWN to:
CONFIGURE
Press ENTER KEY
At SECURITY
Press ENTER KEY
The SECURITY MENU will show the current level of security at the top of the screen. There are six options on the security menu:
DROP TO MIN LEVEL CHANGE LVL 1 PSWD ENTER LEVEL 1 or 2 CHANGE LVL 2 PSWD
ENTER LEVEL 3 CHANGE SCADA PSWD
Selecting DROPTOMINLEVEL will make the control go to the minimum level of security. As previously discussed, if the level 1 and level 2 passwords are not defined by the user, the minimum level of security will be level 2. If a level 2 password is defined by the user, but not a level 1 password, then the minimum level of security will be level 1.
In contrast, if a level 1 password is defined by the user, but not a level 2 password, then the minimum level of security will be level 0.
Selecting ENTER LEVEL 1 OR 2 will open up a password entry screen. The password entry screen will have 16 spaces. In each space a numbers from 0 through 9 can be entered. The password can be from 1 to 16 digits and is entirely user defined. Enter the password for either level 1 or level 2 if either of those passwords have been defined.
Selecting ENTERLEVEL3 will cause the display to say PHONE IN WITH and a 16 digit number
will be displayed. Under that, ENTER RESPONSE will be highlighted. Record the 16 digit number
and call the Caterpillar Dealer TC with this number. The TC will reply with another 16 digit number.
Press ENTER from the PHONE IN WITH screen, and a password entry screen will be displayed. Enter the password that was supplied by the TC.
Press ENTER after entering the number and the current level should be 3. The control will remain in level 3 security level until no key presses have been made for 10 minutes. After 10 minutes of inactivity the control will revert back to the minimum level of security.
NOTE: To change a level 3 parameter requires either a level 3 password from the TC or a PC connection using a Service Tool. Therefore, if you have a Service Tool, try to change the parameter using the Service Tool rather than calling the TC.
Selecting CHANGELVL1PSWD will allow for the level 1 password to be changed. The control must be at level 1 security in order to select CHANGE LVL 1 PSWD. The CHANGE LVL 1 PSWD
screen looks just like the password entry screen. It has 16 blank spaces that can each be set to a number from 0 to 9. The password can use as few as one digit and can use as many as 16 digits. It is entirely up to the user. If a password has been set but, it is now desired to not have level 1 password protection, the level 1 password can be disabled by setting the password to be a single 0.
Once the desired password is entered, press the ENTER KEY and the control will go back to the security screen and the level 1 password will be set.
Selecting CHANGELVL2PSWD will allow for the level 2 password to be changed. The control must be at level 2 security in order to select CHANGE LVL 2 PSWD. The CHANGE LVL 2 PSWD
screen looks just like the password entry screen. It has 16 blank spaces that can each be set to a number from 0 to 9. Selecting a password is entirely up to the user and can use as few as one digit or as many as 16 digits.
The level 2 password can be disabled by setting the password to be a single 0.
Once the desired password is entered, press the ENTER KEY and the control will go
back to the SECURITY SCREEN and the level 2 password will be set.
Selecting CHANGESCADAPSWD will allow for the SCADA password to be changed.
This password, if ENABLED, will require a SCADA system to first enter the password into the
WRITE ACCESS PASSWORD register prior to conducting any other reads and writes. The control
must be at level 2 security in order to select CHANGE SCADA PSWD. The CHANGE SCADA PSWD
screen looks just like the password entry screen. It has 8 blank spaces that can each be set to a number from 0 to 9. The password can use as few as one digit and can use as many as 8 digits. Just as with level 1 and level 2 passwords, entering a single 0 will DISABLE the SCADA password. See Chapter 21.1 Data Link Security for more information.
7 SETPOINTS