Interfaces - Honeywell ComfortPoint Open CPO-PC400-W Manual

INTERFACES

The CPO-PC400-W/CPO-PC400-UW can communicate with a wide range of devices and systems with its interfaces and is
configurable for a variety of protocols.
10
Table 8. Controller Terminals
Type Legend Signal
FGND
1 24V0
24V~
CH3+
CH3-
2
GND3
CH2+
CH2-
3
GND2
4 3 2
11
12
13
7 5
7
Fig. 1. CPO-PC400-W/CPO-PC400-UW Controller
Comment
Connect to earth
ground in the field
Power supply
common
Power supply (24
Vac/dc)
(+) for RS485
interface 3
(-) for RS485
interface 3
GND3 for RS485
interface 3
(+) for RS485
interface 2
(-) for RS485
interface 2
GND2 for RS485
interface 2
5
CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER
1
6
8
8
Table 8. Controller Terminals (Continued)
Type Legend Signal
CH1+
CH1-
4
GND1
Tx1 LED
(green)
Rx1 LED
(green)
Tx2 LED
(green)
5
Rx2 LED
(green)
Tx3 LED
(green)
Rx3 LED
(green)
6 Ring LED
9
Comment
(+) for RS485
interface 1
(-) for RS485
interface 1
GND1 RS485
interface 1
Transmit and
receive an
indication for
RS485 interfaces 1
to 3
Indicates the
operational status
of the controller
EN0B-0085 IE10 R0420