Keyscan Inc. A Member of the Kaba Group – CA8WL-AL Rev. B Installation Guide (07.15)
28
Figure 13 – Power Supply Connections
P
O
W
E
R
IN
O
U
T
-
+
-
+
D
O
O
R
A
U
X
.
N/C
(+)
COM
(-)
N/O
(+)
N/C
(+)
COM
(-)
N/O
(+)
RS
-485
A
B
(+ 12 V DC )
CA8WL-AL Control Board
Cut View
+ DC -
+ BAT -
AC
AC
12V Backup
Battery
4 Ah
minimum
+
-
Red (+)
Black (-)
Red (+)
Black (-)
Cut View
Power Supply/Charger
Black
White
set power supply
to +12V DC
to AC transformer
to ACU ground lug
#18 AWG
Green*
KI-00529E-12-14
Current Draws
CA8WL-AL
– max. 200 mA
PIM400-485
– max. 250 mA
Total current
– 450 mA
PIM400-485 may also be connected directly to
power supply’s DC (+) (-) terminals.
Use a power supply that
exceeds the total current
demand of all devices plus
an additional 20% reserve
capacity.
RS485
TDA
TDB
RDB
+ PO WER -
Cut View of PIM-400
With front cover
removed
R
e
d
(
+
)
B
la
c
k
(-
)
