ABB NIBA-01 Installation And Startup Manual page 20

Chapter 4 – Electrical Installation
Connection to Remote Bus
Female DSUB Connector
5 1
9 6
REMOTE BUS
OUT
(Not connected
if the module
is the last
device on the
remote bus)
RB5V
X2
OUT
IN
X1
0V
0V
+24V
REMOTE BUS
IN
Male DSUB Connector
1 5
6 9
4-4
RBST DG2 /DO2 DO2 /DI2 DI2 SH
RXD
TR
RD
TXD
U
L
DDCS
RC
IB-S
BA
ERROR
+24V DG1 /DI1 DI1 /DO1 DO1 SHF
Figure 4-2 InterBus-S remote bus cable connections.
Serial Connection of Modules
RB5V RBST DG2 /DO2 DO2
X2
RXD
OUT
TXD
DDCS
IB-S
IN
X1 ERROR
0V +24V DG1
0V
+24V
RB5V RBST DG2 /DO2 DO2
X2
RXD
OUT
TXD
DDCS
IB-S
IN
X1 ERROR
0V +24V DG1
NIBA-01 Installation and Start-up Guide
/DI2 DI2 SH
TR
RD
U
L
RC
BA
/DI1 DI1 /DO1 DO1 SHF
/DI2 DI2 SH
TR
RD
U
L
RC
BA
/DI1 DI1 /DO1 DO1 SHF