ABB REM 610 Operator's Manual
Also see for REM 610: Product guideInstallation manualTechnical reference manualProduct guideTechnical reference manual
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161MRS 752264-MUMMotor Protection RelayOperator’s ManualREM 610Fig. 3.1.9.-1 Setting the real-time clock3.1.10. How to switch between front and rear connectionThere are two means of serial communication available for the relay: the frontconnection for SPA bus communication and the optional rear communicationmodule for communication via the SPA bus, IEC 60870-5-103 or MODBUS (RTUor ASCII) protocol.If the relay is not provided with an optional rear communication module, or if themodule has been disabled, the front connection is always active and switchingbetween front and rear connection is not allowed.If the optional rear communication module has been installed and enabled, thedefault setting is rear connection. Switch between front and rear connection asfollows:1. Press an arrow button to access the main menu.2. Use the arrow buttons to select CONFIGURATION\COMMUNICATION andpress . The cursor will be at the setting currently in use (REARCONNECTION or FRONT CONNECTION).3. Press to enter the setting mode. The second line will start to flash.4. Use or to select the desired setting.5. Press to confirm the selection.6. Press to return the display to the idle mode.When the front connection has been selected and there is no communication forapproximately five minutes, the rear connection will automatically be activated. Tokeep the front connection continuously active, press and simultaneously whenconnecting the auxiliary voltage to the relay.Note!When rear connection has been selected, the selected rear protocol willautomatically be activated.0 4 " $ $ %%' '%' 0#%'$%-0$ %) $35 3 $3 ...5$ 3/.$3 $ 3,5 7$8$35 3$35 33 8 23 .6 . 5388..:""; <(( 00=&&:""!>< |
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