ABB ControlMaster CM10, Manual

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