GE Multilin 745 Instruction Manual

Security745Transformer Management RelayGetting Startedhttp://www.GEindustrial.com/multilin1ñ8 GE Multilin8. After pressing the appropriate numeric keys in the sequence ë1 2 3ë, press ENTER.This flash message appears momentarily on the display and confirms the newpasscode is stored in memory.9. After a few seconds, the original display returns.10. Press the MESSAGE & key. As soon as a non-zero passcode is entered, setpointaccess will automatically become restricted.Disabling and EnablingPasscode SecuritySuppose at some time in the future you want to alter a setpoint. In order to do this,you must first disable passcode security, make the setpoint change, and then re-enable the passcode security.1. Move to message S1 745 SETUP ! PASSCODE !" ALLOW ACCESS TO SETPOINTS. It isfrom here that we will disable passcode security. Please note that this messageis hidden, when the passcode security feature is disabled by entering a pass-code of ì0î.2. Press the VALUE & or VALUE % key once to select Yes and press ENTER. The dis-played message will change as shown.3. Enter the current passcode and press the ENTER key. This flash message indi-cates that the keyed in value was accepted and that passcode security is nowdisabled.4. This message will appear after a few seconds. Now that setpoint access isenabled, the ALLOW ACCESS TO SETPOINTS message has been replaced by theRESTRICT ACCESS TO SETPOINTS message. The relayís setpoints can now be alteredand stored. If no front panel keys are pressed for longer than 30 minutes, set-point access will automatically become restricted again.5. To disable setpoint access, immediately after setpoint editing, move back tomessage S1 745 SETUP ! PASSCODE !" RESTRICT ACCESS TO SETPOINTS and enterìYesî. Key the current passcode into the shown message.6. Press the ENTER key and this message will flash on the display. It indicates thatpasscode security is now enabled.7. After a few seconds, the original display returns.NEW PASSCODEHAS BEEN STOREDALLOW ACCESS TOSETPOINTS? NoALLOW ACCESS TOSETPOINTS? NoPLEASE ENTER CURRENTPASSCODE:SETPOINT ACCESSIS NOW ALLOWEDRESTRICT ACCESS TOSETPOINTS? NoPLEASE ENTER CURRENTPASSCODE:SETPOINT ACCESSIS NOW RESTRICTED