Keyscan CA250B, Technical Instructions

Page: 123 / 140

Keyscan Inc. – Technical Guide (PC109x - 04.15) 123
Figure 85 – WIEEX2 RS485 Connections – (Firmware 6.00 or Higher)
GND
LED +
LED -
RB7 D1
RB6 D0
+5V
RA2 OC
RA1 D1
RA0 D0
RB5
RB4
DCD
DTR
RX
TX
GND
LED BRN
D1 WHT
D0 GRN
Data GND
-
12VDC
+
H1
reader
+12 VDC
COM
Data GND
White Data 1
Green Data 0
LED
Red +12VDC
WIEEX-Tx
Transmitter
Request to Exit Input N.O.
Door Contact Input N.C.
Auxiliary Input N.C.
Door Unlock Output
GND
LED +
LED -
RB7 D1
RB6 D0
+5V
RA2 OC
RA1 D1
RA0 D0
RB5
RB4
DCD
DTR
RX
TX
GND
LED BRN
D1 WHT
D0 GRN
Data GND
-
12VDC
+
H1
WIEEX-Rx
Receiver
+
DC Supply (local)
-
+ 12 VDC
Control Board
Reader
Terminal
J1 (shorted)
J1 (shorted)
T
rig
g
e
r f
o
r T
ra
n
s
m
itt
e
r R
A
2
O
C
D
1
W
h
ite
D
0
G
re
e
n
G
N
D
B
la
c
k
+
DC Supply
-
+
1
2
V
D
C
C
O
M
M
a
x
im
u
m
4
0
0
0
'
Connect H1 to
OCB-8
Door
1 2 1 2 1 2 3 4
Control Board Inputs
Exit Auxiliary
R
e
q
u
e
s
t t
o
E
x
it
D
o
o
r C
o
n
ta
c
t
A
u
x
ilia
ry
In
p
u
t
fo
r C
o
m
m
u
n
ic
a
tio
n
s
F
a
ilu
re
O
u
tp
u
t
c
o
n
n
e
c
t t
o
o
p
e
n
A
u
x
ilia
ry
In
p
u
t
Failed
Secure
Lock
N
.O
.
C
o
m
N
.C
.
ACU
Lock Relay
RB4
DCD
DTR
RX
TX
GND
Baud
19,200
Note
If experiencing
communication
difficulties over longer
cable distances, set
the baud to 9600 by
shorting RB4 to GND
on the WIEEX
transmitter.
Diagram
shows lock
relay in ‘fail
safe’. For ‘fail
secure’
connect RB4
on receiver to
N.C. on lock
relay.
L
E
D
B
rn
D
1
W
h
t
D
0
G
rn
P
W
R
R
e
d
G
N
D
B
la
c
k
C
1
(
B
e
e
p
)
KI-00224E-07-11