ABB ControlMaster CM10 Manual page 17

ControlMaster CM10, CM15, CM30, CM50, CMF160 and CMF310
Universal process controllers and indicator,
CM15
Tx+
Tx–
Tx/Rx+ Rx+
Tx/Rx– Rx–
Common Common
2-Wire 4-Wire
Fig. 5.1 Connections Overview
IM/CM/C–EN Rev. H
1
/
8
Rear View
CM10 CM30
13 1
14 2
15 3
16 4
17 5
18 6
7
8
9
10
11
12
1 1
, / , / DIN and fieldmount
4 2
Tx+
19
Tx–
20
Tx/Rx+ Rx+
21
Tx/Rx– Rx–
22
Common Common
23
2-Wire 4-Wire
5 MODBUS Communications
Rear View
CM50
Top View
CMF160 and CMF310
1
2
3
4
5
6
7
8
9
10
11
12
1 2 3 4 5
13
14
2-Wire
15
16
17
4-Wire
18
SK1
SK2
15