AL1024NK8(D) Installation Guide
- 5 -
Fig. 2 -
AL1024ULXB2 Board Configuration
2a
2b
2d
2c
2e
2f
L
G
N
BAT FAIL
AC FAIL
NC
C
NO
NC
C
NO
AC
DC
- BAT
+
+ DC -
AC DELAY
Terminal Identification:
AL1024ULXB2 - Power Supply Board
Terminal Legend
Function/Description
L, N
Connect 115VAC to these terminals: L to hot, N to neutral
(Fig. 2a, pg. 5)
.
+ DC –
Factory connected to PDS8(CB)
(Fig. 2d, pg. 5)
.
AC Fail
NC, C, NO
Used to notify loss of AC power, e.g.connect to audible device or alarm panel.
Relay normally energized when AC power is present. Contact rating 1A @ 28VDC.
AC or brownout fail is reported within 1 minute of event.
To delay reporting for up to 6 hrs., cut “AC Delay” jumper and reset power to unit
(Fig. 2f, pg. 5)
.
Bat Fail
NC, C, NO
Used to indicate low battery condition, e.g. connect to alarm panel.
Relay normally energized when DC power is present. Contact rating 1A @ 28VDC.
A removed battery is reported within 1 minute.
Battery reconnection is reported within 1 minute.
Low battery threshold: approximately 21VDC
(Fig. 2b, pg. 5)
.
– BAT +
Stand-by battery connections. Maximum charge current 3.6A
(Fig. 2c, pg. 5)
.
PDS8(CB):
Terminal Legend
Function/Description
+ INP1 –
Factory connected to AL1024ULXB2. Do not use these terminals.
+ INP2 –
Factory connected to AL1024ULXB2. Do not use these terminals.
P [OUT1-OUT8]
Positive DC power outputs.
N [OUT1-OUT8]
Negative DC power outputs.
