GE Multilin T35 Transformer Protection System 4-3
4 HUMAN INTERFACES 4.1 ENERVISTA UR SETUP SOFTWARE INTERFACE
4
Before backing up settings and upgrading, set the Settings > Product Setup > Security > Dual Permission Security
Access > Remote Setting Authorized and Local Setting Authorized settings to "ON." Otherwise, the upgrade is blocked
and results in an "Unable to put relay in flash mode" message.
Modbus addresses assigned to firmware modules, features, settings, and corresponding data items (that is, default
values, minimum/maximum values, data type, and item size) can change slightly from version to version of firm-
ware. The addresses are rearranged when new features are added or existing features are enhanced or modified.
The
EEPROM DATA ERROR message displayed after upgrading/downgrading the firmware is a resettable, self-test
message intended to inform users that the Modbus addresses have changed with the upgraded firmware. This
message does not signal any problems when appearing after firmware upgrades.
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