25
When the rear connection is selected, the selected rear protocol is
automatically activated.
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IEC103 SETTINGS
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REAR CONNECTION
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TRIP CIRCUIT SUP
REAR COM. MODULE
OPERATION
U NOMINAL
STORE COUNTER
A051590_2
Fig. 4.1.11.-1
Switching between the front and rear connections
4.1.11.1.
Indicator LED for front communication
*
Indicator off: the rear communication is currently selected.
*
Lit indicator: the front communication port is currently selected.
*
Flashing indicator: the front communication port is currently selected and the
relay is communicating.
4.1.12.
How to select the protocol for rear communication
When the relay is provided with a communication module for the built-in
communication protocols, it allows you to choose the communication protocol for
the rear connection. If the relay is equipped with a protocol-specific communication
module, no communication protocol selections are allowed. The protocol is then
defined by the communication module.
The selected protocol is stored in the non-volatile memory and is therefore activated
automatically after an interruption in the auxiliary voltage.
Select the rear communication protocol as follows:
Voltage Protection Relay
Operator's Manual
REU 610
REU 610
1MRS755770