Default I/O connections - Arc protection - Merging unit - Motor protection - Application Manual - REM620 Motor Protection and Control - 2.0 FP1 IEC - IEC - 01.06.2023

REM620 Application Manual

Table 1. Default connections for analog inputs
Analog input Default usage Connector pins
IL1_N Phase A current, neutral side X120:1,2
IL2_N Phase B current, neutral side X120:3,4
IL3_N Phase C current, neutral side X120:5,6
IL1 Phase A current, terminal side X120:7,8
IL2 Phase B current, terminal side X120:9,10
IL3 Phase C current, terminal side X120:11,12
Io Residual current X120:13,14
U_SYN Phase-to-phase voltage U12, terminal side X130:9,10
U1 Phase-to-phase voltage U12, bus side X130:11,12
U2 Phase-to-phase voltage U23, bus side X130:13,14
U3 Phase-to-phase voltage U31, bus side X130:15,16
Uo Residual voltage, bus side X130:17,18
RTD1 Motor winding U temperature X110:9,10
RTD2 Motor winding V temperature X110:11,12
RTD3 Motor winding W temperature X110:13,14
RTD4 Motor cooling air temperature X110:17,18
RTD5 Motor bearing temperature X110:19,20
RTD6 Motor ambient temperature X110:21,22
Table 2. Default connections for binary inputs
Binary input Default usage Connector pins
X105-BI1 Rotation direction X105:1,2
X105-BI2 Emergency start enable X105:3,4
X105-BI3 External restart inhibit X105:5,6
X105-BI4 External trip X105:7,6
X105-BI5 Emergency start X105:8,9
X105-BI6 Emergency stop X105:10,9
X105-BI7 Line MCB open position indication X105:11,12
X105-BI8 - X105:13,12
X115-BI1 Circuit breaker closed position indication X115:1,2
X115-BI2 Circuit breaker open position indication X115:3,4
X115-BI3 Circuit breaker low gas pressure alarm X115:5,6
X115-BI4 Circuit breaker spring charged indication X115:7,6
X115-BI5 Earthing switch 1 closed position indication X115:8,9
X115-BI6 Earthing switch 1 open position indication X115:10,9
X115-BI7 Speed switch (motor running) X115:11,12
X115-BI8 Bus MCB open position indication X115:13,12
X130-BI1 Disconnector 1 closed position indication X130:1,2
X130-BI2 Disconnector 1 open position indication X130:3,4
X130-BI3 Disconnector 2 closed position indication X130:5,6
X130-BI4 Disconnector 2 open position indication X130:7,8
Table 3. Default connections for binary outputs
Binary input Default usage Connector pins
X100-PO1 Restart enable X100:6,7
X100-PO2 Breaker failure backup trip to upstream breaker X100:8,9
X100-SO1 General start indication X100:10,11,(12)
X100-SO2 General operate indication X100:13,14
X100-PO3 Open circuit breaker/trip X100:15-19
X100-PO4 Close circuit breaker X100:20-24
X115-SO1 Motor startup indication X115:14-16
X115-SO2 Open command (for contactor applications) X115:17-19
X115-SO3 Thermal overload alarm X115:20-22
X115-SO4 Motor differential protection operate alarm X115:23,24
Table 4. Default connections for LEDs
LED Default usage Label description
1 Motor differential protection biased stage operate Diff. prot. biased low stage
2 Motor differential protection instantaneous stage operate Diff. prot. inst. stage
3 Short circuit protection operate Short circuit protection
4 Combined protection indication of the other protection functions Combined Protection
5 Thermal overload protection operate Thermal Overload for Motors
6 Motor restart inhibit Motor restart inhibit
7 Circuit breaker failure protection backup protection operate Breaker failure protection
8 Circuit breaker condition monitoring alarm CB condition monitoring
9 Supervision alarm Supervision
10 Emergency start enabled Emergency start enabled
11 Arc fault detected Arc detected
Table 5. Default connections for function keys
FK/SPCGAPC number Default usage Operation mode Pulsed length
1 Setting Group 1 Enabled Pulsed 150 ms
2 Setting Group 2 Enabled Pulsed 150 ms
3 Setting Group 3 Enabled Pulsed 150 ms
4 Setting Group 4 Enabled Pulsed 150 ms
5 Setting Group 5 Enabled Pulsed 150 ms
6 Setting Group 6 Enabled Pulsed 150 ms
7 - Off 1000 ms
8 Emergency Start Pulsed 150 ms
9 Disturbance Recorder Manual Trigger Pulsed 150 ms
10 Trip Lockout Reset Pulsed 150 ms
11 Circuit Breaker Block Bypass Toggle 1000 ms
12 Restart Inhibit Toggle 1000 ms
13 - Off 1000 ms
14 - Off 1000 ms
15 - Off 1000 ms
16 - Off 1000 ms