Contact Closure Input Wiring
24 V
-
50 mA
For settings, see CCI Setup.
12
ABC
N H 1 2 3 4 5 6
1234
Note:
Use appropriate wire
connecting devices as
specified by local codes.
Example:
Third-party contact
closure to enable /
disable timeclock
1: COM
2: 24 V
-
*
3: MUX
4: MUX
Control Wiring
24 V
-
100 mA
Overview of IEC PELV/NEC
®
Class 2 Wiring
18 AWG (1.0 mm
2
)
each terminal
A: CCI SIG
B: 24 V
-
C: CCI COM
To other
QS devices
Data (terminals 3 and 4):
Twisted, shielded pair 22 AWG (0.5 mm
2
) each terminal
Common and power (terminals 1 and 2):
Two 18 AWG (1.0 mm
2
) each terminal (for link <500 ft/153 m)
Two 12 AWG (4.0 mm
2
) each terminal (for link 500
–
2000 ft/153
–
610 m)
* Do not connect terminal 2
between a QS Timeclock
and any other power supply.
QS Timeclock Installation and Operation Guide 5
®
IEC PELV/NEC
®
Class 2 control wiring
(2) 18 AWG (1.0 mm
2
)
1: Common
2: 24 V
-
Wiring Detail
For links 500
–
2000 ft (153
–
610 m)
4
3
2
1
Data link: (1) twisted, shielded pair
22 AWG (0.5 mm
2
)
3: MUX
4: MUX
(2) 12 AWG
(4.0 mm
2
)
(2) 12 AWG
(4.0 mm
2
)
NOT
USED
