BST ekr CON 100 - X5 - Message output System OK

7
Electrical Connection
58/130 ekr CON 100 – Installation and Operating Manual
7.7.6 X5 - Message output "System OK"
Fig.24: Terminal strip X5
X5
Terminal
Function Note
41 Relay – N/C contact
Potential-free changeover contact
If there are no faults, the N/O contact is closed
(contact between terminals 42 and 43).
42 Relay – Changeover contact
43 Relay – N/O contact