Cable Specifications - Honeywell ComfortPoint Open CPO-PC400-W Manual

CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER

Cable Specifications

Power Supply Cable Specifications
The length of the power supply cable includes the length of
the cables to connected modules.
NOTE: The supply voltage must, in any case, be at least
19.2 Vac (24 Vac -20%).
Table 22. Power Supply Cable Specifications
Device
CPO-PC400-W/ Max. 3 m
CPO-PC400-UW
Panel Bus I/O Max. 3 m
FBA Max. 20 m
EXPIO Max. 1200 m
CPO-DIO Max. 1200 m
C-Bus > 3 m
M-Bus > 3 m
See also the connection diagrams presented in Fig. 9
through Fig. 26 for details.
Antenna Cable Specifications
Table 23. Antenna Cable Specifications
Device Cable Length
Remote Max. 3 m
Antenna
EN0B-0085 IE10 R0420
Cable Cable cross-
Length section
Min. 1.5 mm
Min. 1.5 mm
Min. 1.5 mm
Min. 1.5 mm
Min. 1.5 mm
Depends on Plug
Gauge. See
"Wiring
Terminals"
section on
page 13
Depends on Plug
Gauge. See
"Wiring
Terminals"
section on
page 13
Cable cross-
section
2
5 mm
Field Device Power Supply Cable
Specifications
Table 24. Field Device Power Supply (24 Vac) Cable
Cable Length
≤ 100 m (300 ft.), single
transformer (see
"Example 1: Power Supply
via Controller Using Panel
Module" section on
page 12.)
2
≤ 400 m (1300 ft.),
separate transformers
(see "Example 2: Power
2
Supply via Separate
Transformer" section on
2
page 12.)
2
Communication Bus Cable Specifications
2
Table 25. Communication Cable Specifications
Interface (Buses)
RS485 interfaces 1, 2, and
3 (Panel Bus, BACnet Bus,
Field Bus, Modbus, C-Bus,
M-Bus)
RS485 interface 4 (Panel
Bus, CP-IO Bus)
Ethernet 1, 2 (Ethernet
Bus)
Use Belden 9841 or Equivalent cable with the following
specifications:
RS485 Bus Cable Specifications
• An MSTP EIA-485 network shall use shielded, twisted-
pair cable with a characteristic impedance between 100
and 130 ohms.
• Distributed capacitance between conductors shall be
less than 100 pF per meter (30 pF per foot).
• Distributed capacitance between conductors and shield
shall be less than 200 pF per meter.
14
Specifications
Cable Cross-section
2
min. 1.5 mm (16 AWG)
not allowed for > 100 m
(300 ft)
Cable Type
One or two pairs
(depending on the
application) of twisted
pair complying with
EIA485 standard (level IV,
22 AWG, solid core, non-
shielded), e.g., J-Y-Y 2 x 2 x
0.8, or shielded wire.
CPO-PC400-W/CPO-
PC400-UW can be used
with CAT5, CAT6, and
CAT7 cabling. Standard
Ethernet cross-over cable,
Cat-5, min. 10/100
MBaud, max. length of
100 m