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2 GETTING STARTED
b) DISABLING/ENABLING PASSCODE SECURITY
Suppose at some time in the future you want to alter a setpoint. In order to do this, you must first disable pass-
code security, make the setpoint change, and then re-enable the passcode security.
ALLOW ACCESS TO
SETPOINTS? No
PLEASE ENTER CURRENT
PASSCODE:
SS SETPOINT ACCESS
SS IS NOW ALLOWED
RESTRICT ACCESS TO
SETPOINTS? No
PLEASE ENTER CURRENT
PASSCODE:
SS SETPOINT ACCESS
SS IS NOW RESTRICTED
ALLOW ACCESS TO
SETPOINTS? No
GE Power Management
Move to message S1 745 SETUP \ PASSCODE \ ALLOW ACCESS TO SETPOINTS?. It
is from here that we will disable passcode security. Please note that this
message is hidden, when the passcode security feature is disabled by
entering a passcode of '0'.
Press the
or
V AL U E
V ALU E
displayed message will change as shown.
Enter the current passcode and press the
indicates that the keyed in value was accepted and that passcode security is
now disabled.
This message will appear after a few seconds. Now that setpoint access is
enabled, the ALLOW ACCESS TO SETPOINTS? message has been replaced by
the RESTRICT ACCESS TO SETPOINTS message. The relay's setpoints can now
be altered and stored. If no front panel keys are pressed for longer than 30
minutes, setpoint access will automatically become restricted again.
To disable setpoint access, immediately after setpoint editing, move back to
message S1 745 SETUP \ PASSCODE \ RESTRICT ACCESS TO SETPOINTS? and enter
Yes. Key the current passcode into the shown message.
Press the
key and this message will flash on the display. It indicates
E N TE R
that passcode security is now enabled.
After a few seconds, the original display returns.
745 Transformer Management Relay
key once to select Yes and press
key. This flash message
E N TE R
2.3 SECURITY
2
. The
EN TE R
2-7
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