CABLING
13
EN1B-0022 IE10 R0717
MSTP Bus Connection
NOTES:
Always power the CP-IPC with a transformer separate to the connected BACnet MS/TP modules.
N = max. 30 modules.
L
90 to
120 Ohm
R
T
510
Ω
510
Ω
GND-ISO
5 V-ISO
RS485+
RS485-
CP-VAV/SPC/
CPO-VAV2A #1
CP-VAV/SPC/
CPO-VAV2A #N
R
T
CP-IPC
1
1
2
2
3
3
4
4
5
5
24 V
24 V
-0
230 V
S24VAC
POWER
N24VAC
BACnet/MSTP
CH+
CH-
FGND
24 V
F1
RS485 +
RS485 -
FGND
RS485 +
RS485 -
FGND