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Security
Installation
Changing the Passcode
GE Multilin
Security
Note that the relay is defaulted to the
leaves the factory. This safeguards against the installation of a relay whose
setpoints have not been entered. In addition, a relay in the
blocks signaling of any output relay, and turns off the In Service LED indicator.
Move to the
S1 745 SETUP
!"
relay in the
Programmed
ENTER. Enter Yes for the
ARE YOU SURE?
now turn on.
745 SETPOINTS:
Not Programmed
To guarantee that the relay settings cannot be tampered with, the user may setup
the passcode security feature.
1.
Move to the
S1 745 SETUP
cannot be edited directly. It simply indicates whether passcode security is
enabled (
SETPOINT ACCESS:
"Read & Write"). Each relay is shipped from the factory with set-
POINT ACCESS:
point access allowed. The passcode is also defaulted to '0', which disables the
passcode security feature entirely.
SETPOINT ACCESS:
Read & Write
2.
Press the MESSAGE % key once.
CHANGE PASSCODE?
No
3.
Press the VALUE & or VALUE % key once.
CHANGE PASSCODE?
Yes
4.
Press the ENTER key to begin the procedure of changing the passcode. The dis-
played message will change as shown. The current passcode is '0', so press the
'0' numeric key. The relay will acknowledge the key press by displaying '*'.
PLEASE ENTER CURRENT
PASSCODE:
5.
Press the ENTER key.
ENTER NEW PASSCODE
FOR ACCESS:
6.
For this example, change the passcode to "123" by pressing the appropriate
numeric keys in the
1 2 3
entered, with the end result being as shown.
ENTER NEW PASSCODE
FOR ACCESS:
7.
Press the ENTER key to store the new passcode and a confirmation message
appears. As a safety measure, the relay requires you to enter a new passcode
twice. This ensures the passcode has been entered correctly.
PLEASE RE-ENTER NEW
PASSCODE:
http://www.GEindustrial.com/multilin
Transformer Management Relay
Setpoints Not Programmed
INSTALLATION
!"
745 SETPOINTS
state, press the VALUE & or VALUE % key once and press
message. The In Service LED indicator will
PASSCODE
SETPOINT ACCESS
!
!
"Read Only"), or passcode security is disabled (
sequence. The message will change as the digits are
***
745
state before it
state
Not Programmed
message. To put the
message. This message
SET-
1–7
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