Device description
Leuze electronic GmbH + Co. KG
MSI-RM2B
6
3
Device description
The MSI-RM2B relay module is suitable for use as a two-channel sequential circuit for safe protective
devices with 2 OSSDs and contactor monitoring (EDM).
Figure 3.3: Internal circuit diagram of the MSI-RM2B
Figure 3.1: MSI-RM2B with screw terminals
Figure 3.2: MSI-RM2B with spring-cage terminals
14 12 11
24 22 21
K1-B
K2-B
CH1
CH2
Y1
Y2
K1
K2
B3
A2
B1
K1-A
K2-A
reinf
orced isolation
(IEC 439-1)
Leuze electronic
MSI- RM2B
