Module Connections; Standard I/O Or Analog + Relay (Module Types 1, 2 And 7); Four Relay Module (Module Type 3); Eight Digital Inputs Or Outputs (Module Types 4 And 5 Respectively) - ABB C1900 Series Installation Manual

4.3 Module Connections

4.3.1 Standard I/O or Analog + Relay
(Module Types 1, 2 and 7) – Fig. 4.5
The connections are the same as Channel connections to the
main board. Refer to Section 4.2.
4.3.2 Four Relay Module (Module Type 3) – Fig. 4.7
1
2
3
4
5
6
7
8
9
10
11
12
Fig. 4.7 Four Relay Module Connections
(Module Type 3)
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 ELECTRICAL INSTALLATION...
4.3.3 Eight Digital Inputs or Outputs
(Module Types 4 and 5 respectively) –
Figs. 4.8 and 4.9
A plug-in link is used to select the board's function; digital inputs
or digital outputs – see Fig. 4.8. The maximum current drain from
each TTL output must not exceed 5mA.
PL2
3 2 3
4 1 4
Digital Inputs Digital Outputs
Fig. 4.8 Selecting the Digital Module Function
(Module Types 4 and 5)
1
2
3
4
5
6
7
8
9
10
11
12
Fig. 4.9 Eight Digital Inputs or Outputs Connections
(Module Types 4 and 5)
PL2
4
PL2
2
1
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
1
11