Figure 34 - Terminate Reader Wiring - Keyscan CA250B Technical Instructions

Proximity
Reader
KEYSCAN
Enclosure
Energized when AC
present.
N.O.
AC Fail
N.C.
+
DC Output 12V
-
External DC
Supply
READER PWR
Power terminal on control board
Keyscan Inc. – Technical Guide (PC109x - 04.15)
Figure 34 – Terminate Reader Wiring
Orange not
used. Isolate
and tape back.
Shield not
connected.
Isolate with
electrical tape.
Blue used for pre-alert
otherwise isolate and tape
back.
EGND
Ground
Lug
+
FAIL
+
FAIL
ACU PWR
Shield not
connected.
Isolate with
GND (Black) electrical tape.
PWR (Red)
D0 (Green)
D1 (White)
LED (Brown)
3 pairs shielded
Pre-alert (Blue)
22 AWG or 18 AWG
500 ft (152.4 m) maximum
Cable in through knockout.
Shield
C1 LED D1 D0 PWR
(BEEP) WHT GRN RED
Reader terminal on control board
GND
BLK
KI-00138E-07-11
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