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1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
REC 523
• Indication of the battery test status
• Recording of the minimum battery voltage
• Store LED
Table 11.2.2-1 New fault indication functions
Function
Description
DOC6High
Indication for directional overcurrent (high-set stage)
DEF2High
Indication for directional earth-fault (high-set stage)
Inrush3
Indication for the three-phase transformer inrush and motor start-up current
NEF1High
Indication for non-directional earth-fault (high-set stage)
NOC3High
Indication for three-phase non-directional overcurrent (high-set stage)
UV3Low
Indication for three-phase undervoltage (low-set stage)
UV3High
Indication for three-phase undervoltage (high-set stage)
Table 11.2.2-2 New measurement functions
Function
Description
MEAI1...8
General measurement 1...8
MECU3B
Three-phase current measurement
MEVO1B
Residual voltage measurement
MEVO3B
Three-phase voltage measurement
Table 11.2.2-3 New control functions
Function
Description
COCB1
Circuit breaker 1 control with indication
COCB2
Circuit breaker 2 control with indication
Table 11.2.2-4 New condition monitoring functions
Function
Description
CMSPRC
Spring charging control 1
CMTIME1
Operation time counter 1 operate time used (motors)
CMTIME2
Operation time counter 2 operate time used (motors)
CMTRAV1
Breaker travel time 1