Channel Connections; 4-Relay Module Connections; 8-Digital Inputs Or Outputs Connections - ABB Commander C1900 Commissioning Instruction

10 C 1 9 0 0 | C I R C U L A R C H A R T R E C O R D E R | C I/C 1 9 0 0/ R E C - E N R E V. B
...4 Electrical connections

Channel connections

1
2
3
4
5
6
7
Common
8
Logic 1
9
Logic 2
10
Normally open
11
Common
12
Normally closed
Note . Not applicable to type 2 modules
Connection summary
3
6
Voltage

4-relay module connections

1
2
3
4
5
6
7
8
9
10
11
12
Analog output (see Note below)
Analog input (see B to H)
Logic inputs (see Note below)
Relay output
3
4
Current
(non 2-wire transmitters) *
* Recommended diode:
Diode forward voltage >0.8 V @ 20 mA or use 2 × 1N4001 general purpose diodes in series
Normally closed
Normally open
Relay 1
Common
Normally closed
Normally open
Relay 2
Common
Normally closed
Normally open
Relay 3
Common
Normally closed
Normally open
Relay 4
Common
4
6
2-wire transmitter
(not available on non-upgradeable version)
3
6
Thermocouple
Red
4
White
5
Red
6
3-wire RTD

8-digital inputs or outputs connections

1
2
3
4
5
6
7
8
9
10
11
12
Tx
See Note below
3
6
Low voltage (mV)
Link
4
White
5
Red
6
2-wire RTD and resistance
Common Common
Input 1 Output 1
Input 2 Output 2
Input 3 Output 3
Input 4 Output 4
Input 5 Output 5
Input 6 Output 6
Input 7 Output 7
Input 8 Output 8
Common Common
Input Output
or
connections connections