GE T60 Instruction Manual page 191

Transformer protection system
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CHAPTER 5: SETTINGS
— The "Restricted" option means that settings and commands can be accessed, but there is no access to
ACCESS LEVEL
factory configuration. Access automatically reverts to the Restricted level according to the access level timeout setting
values. The access level is set to Restricted when control power is cycled.
The "Factory Service" level is not available and intended for factory use only.
There are two user security access levels, setting and command, for which you can set a password for each. Use of a
password for each level controls whether users can enter commands or change settings. Another option is to specify
setting and/or command access for individual user accounts.
Setting — Allows the user to make any changes to any of the setting values:
Changing any setting
Test mode operation
Command — Restricts the user from making any settings changes, but allows the user to perform the following
operations:
Changing the state of virtual inputs
Clearing the event records
Clearing the oscillography records
Changing the date and time
Clearing energy records
Clearing the data logger
Clearing the user-programmable pushbutton states
When entering a settings or command password via EnerVista or any serial interface, the user must enter the
corresponding connection password. If the connection is to the back of the T60, the remote password must be used. If the
connection is to the RS232 port of the faceplate, the local password must be used.
The local setting and command sessions are initiated by the user through the front panel display and are disabled either by
the user or by timeout (via the setting and command level access timeout settings). The remote setting and command
sessions are initiated by the user through the EnerVista software and are disabled either by the user or by timeout.
The state of the session (local or remote, setting or command) determines the state of the following FlexLogic operands:
— Asserted when local setting access is disabled
ACCESS LOC SETG OFF
— Asserted when local setting access is enabled
ACCESS LOC SETG ON
— Asserted when local command access is disabled
ACCESS LOC CMND OFF
— Asserted when local command access is enabled
ACCESS LOC CMND ON
— Asserted when remote setting access is disabled
ACCESS REM SETG OFF
— Asserted when remote setting access is enabled
ACCESS REM SETG ON
— Asserted when remote command access is disabled
ACCESS REM CMND OFF
— Asserted when remote command access is enabled
ACCESS REM CMND ON
A command or setting write operation is required to update the state of the remote and local security operands
listed.
— This setting allows recording of password access events in the event recorder.
PASSWORD ACCESS EVENTS
Change local passwords
SETTINGS  PRODUCT SETUP  SECURITY  CHANGE LOCAL PASSWORDS
 CHANGE LOCAL
 PASSWORDS
T60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHANGE SETTING
PASSWORD: No
CHANGE COMMAND
PASSWORD: No
Range: No, Yes
Range: No, Yes
PRODUCT SETUP
5
5-9

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