Codan 6725-W/E-AC/EX-CE - Serial interface monitor and control

Installation
52 Block Up Converter Systems 6700/6900 series User Guide
Figure 14: Auxiliary I/O interface of the redundancy
controller
+12 V
U
D
B
A
P
S
T
M
L
V
J
K
N
F
G
H
GND
Rx Data A (RS422/485)
Tx Data A (RS422/485)
Tx Data B (RS422/485)
Stream 1 Fault
Stream 2 Fault
Redundancy Controller
Fault
Relay Common
Stream Selected
(open = Stream 1)
Remote
Control
Disable
Enable
Mode
Auto
Manual
Stream
Select
Stream 1
Stream 2
+12 V
+12 V
+12 V
+12 V
3k3
3k3
3k3
Alarm contacts
open on fault
BUC 2
BUC 1
250 mA
C
Rx Data B (RS422/485)