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CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER
EN0B-0085 IE10 R0420
24
Connection to C-Bus channel
Fig. 15. Connection (L > 3 m) of RS485 interfaces 1, 2, or 3 (RS485 interface 1 shown) to a C-Bus
NOTES:
—
Always power the CPO-PC400-W/CPO-PC400-UW with a transformer separate to the connected C-Bus mod
-
ules.
—
N = max. of 30 devices per port including CPO-PC400-W/CPO-PC400-UW.
TX
5V
GND
XL500 #1
Isolaon
Barrier
RX
5V_ISO
GND_ISO
R
S
485+
R
S
485-
R
T
110VAC/230VAC
24VAC
XL500 #N
F1
C+
C-
C-Bus Shielding
L > 3m
R
T
C+
C-
C-Bus Shielding
FG
N
D
24V0
24V~
CH1+
CH1-
GND1
CPO-PC400-W/CPO-PC400-UW