28
55
Connecting communication interfaces (optional)
551 Overview of connections
The connection terminals for the various communication interfaces are illustrated in
Figure 19. The RJ45 grid sockets can be seen in Figure 12.
S0−
S0+
BS−
BS+
12
NC
14
11
K3
K4
K1
K2
NA
N
K5
K6
Figure 19 Connection terminals for communication
Contact
Description
N
External shutdown / external power control
NA
External shutdown
K1
External power control
K2
K3
K4
K5
K6
External power control
NC
Not used
11
Multi-function relay (status signaling contact / control of self-consumption)
12
14
S0+
S0 interface (control of self-consumption)
S0
−
BS+
Lightning protection monitor
BS
−