Figure 85 - Wieex2 Rs485 Connections - (Firmware 6.00 Or Higher) - Keyscan CA250B Technical Instructions

Figure 85 – WIEEX2 RS485 Connections – (Firmware 6.00 or Higher)
reader
+12 VDC
Failed
Secure
Lock
Door Unlock Output
Request to Exit Input N.O.
1 2 1 2 1 2 3 4
Door Exit Auxiliary
Control Board Inputs
KI-00224E-07-11
Keyscan Inc. – Technical Guide (PC109x - 04.15)
Red +12VDC
Data GND
LED
White Data 1
Green Data 0
Door Contact Input N.C.
Auxiliary Input N.C.
+
DC Supply
-
+ 12 VDC
+
DC Supply (local)
-
COM
WIEEX-Tx
GND
H1
Transmitter
LED +
LED -
Connect H1 to
RB7 D1
OCB-8
RB6 D0
+5V
RA2 OC
RA1 D1
LED BRN
RA0 D0
D1 WHT
RB5
D0 GRN
RB4
Data GND
DCD
-
Baud
DTR
12VDC
19,200
+
RX
TX
J1 (shorted)
GND
GND
WIEEX-Rx
H1
LED +
Receiver
LED -
RB7 D1
RB6 D0
+5V
RA2 OC
RA1 D1
LED BRN
RA0 D0
D1 WHT
RB5
D0 GRN
RB4
Data GND
DCD
-
DTR
12VDC
+
RX
TX
J1 (shorted)
GND
Control Board
Reader
Terminal
Note
If experiencing
communication
difficulties over longer
cable distances, set
the baud to 9600 by
shorting RB4 to GND
on the WIEEX
transmitter.
RB4
DCD
DTR
RX
TX
GND
Diagram
shows lock
relay in 'fail
safe'. For 'fail
secure'
connect RB4
on receiver to
N.C. on lock
relay.
ACU
Lock Relay
123