ABB CM30 - Resetting Jumper Links

ControlMaster CM30 and CM50
Universal process controllers,
1
/4 and
1
/2 DIN 4 Installation
10 IM/CM/ED–EN Rev. B
4.4.2 Resetting Jumper Links
1. The links associated with the relay outputs
are shown in Fig.
4.7.
2. If necessary, move the link to select the relay
action required (N/O or N/C).
Note. The factory-set default for all jumper links
is N/O.
Fig. 4.7 Jumper Links for Relay Outputs
N/C N/O
N/C N/O
N/C N/O
LK1
LK2
LK3
N/O
N/O
N/C
N/C
LK1
LK2
N/O
N/O
N/C
N/C
LK2
LK1
CM30 Option Board 1 / 1a
CM50
Option
Board 1
CM50
Standard
Board 1
LK1 = Relay O/P 3 
LK2 = Relay O/P 4
LK1 = Relay O/P 1 
LK2 = Relay O/P 2
LK1 = Relay O/P 2 
LK2 = Relay O/P 3
LK3 = Relay O/P 4