Johnson Controls CK721-A User Manual

CK721-A Installation and Operation CK721-A and S300-DIN Enclosures
24-10349-8 Rev. B 2-11
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2012 Johnson Controls, Inc.
Wiring CK721-A and Modules
CK721-A Cable Requirements
Table 2-7: Cable Requirements
Description Recommended Cable Type Maximum Segment Length
+24VDC Listed, 18 AWG, Stranded,
Ho
ok-up wire.
Limited to within cabinet
RS485 A and
RS485 B
Listed, 22 AWG, Stranded,
Hook-up wire.
Limited to within cabinet
Listed, 18 AWG, 3-cond,
stranded, shielded.
4000 ft (1215 m). All
modules connected to a
single CK721-A panel must
be within 4000 feet of the
panel.
Inputs ICOM1
an
d ICOM2
Belden 88442, 1 twisted pair,
22 AWG.
500 ft (152m)
Output/Relay
OUT1
Belden 8461, 1 twisted pair,
18 AWG.
Depends on power
requirements of the door
strike. Voltage to the strike
must not be reduced more
than 10% over the 18 AWG
wire.
RS232 A Listed DB9 F/F AT Null
M
odem
25 ft (7m). Cable must
remain in the same room as
the CK721-A.
RS232 B
1
1. For KONE elevator wiring diagram see Figure 4-7 on page 4-47.
Listed DB9 F/F AT Null
M
odem
25 ft (7m). Cable must
remain in the same room as
the CK721-A.
Ethernet Listed, Category 5, 24 AWG,
solid, 2 pair or 4 pair type.
328 ft (100 m). Cable, RJ45
connector, and RJ45 crimp
tool to be supplied by
customer.

Johnson Controls CK721-A Specifications

General

Brand	Johnson Controls
Model	CK721-A
Category	Controller
Language	English