Led Diagnostics; Terminal Identification - Altronix AL400ULPD4CB Installation Manual

Power Supply Board
Red (DC) Green (AC)
ON ON
ON OFF
OFF ON
OFF OFF
Red (Bat) Battery Status
ON Normal operating condition.
OFF Battery fail/low battery.
Power Distribution Module
Green Power Distribution Module Status
ON Normal operating condition.
OFF No Power Output.
Power Supply Board
Terminal Legend Function/Description
Connect 115VAC 60Hz. to these terminals: L to Hot, N to Neutral.
L, G, N
Do not use the [G] terminal.
+ DC – 12VDC @ 4A or 24VDC @ 3A continuous power-limited output.
Indicates loss of AC power, e.g. connect to annunciator/alarm panel. Relay normally ener-
gized when AC power is present. Contact rating 1A @ 28VDC. AC Fail condition will report
AC Fail
approximately within one (1) minute after loss of AC. To delay report for 6 hours cut jumper
NC, C, NO
J1 on the Power Supply Board (AC trouble output delay option). If this mode is selected, the
Power Supply Board must be reset by removing all power to it for 30 seconds.
Indicates low battery condition, e.g. connect to alarm panel. Relay normally energized
when DC power is present. Contact rating 1A @ 28VDC. Low battery conditions will report
Bat Fail
approximately 21VDC (24VDC output setting) or approximately 10.5VDC (12VDC output
NC, C, NO
setting). Battery presence detection will report approximately 1 minute after battery remains
undetected (missing or removed).
+ BAT – Stand-by battery connections. Maximum charge current 0.7A.
Power Distribution Module
PD4UL/PD4ULCB
1P to 4P
1N to 4N
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LED Diagnostics:

Power Supply Status
Normal operating condition.
Loss of AC. Stand-by battery supplying power.
No DC output.
Loss of AC. Discharged or no stand-by battery. No DC output.

Terminal Identification:

Terminal Legend
PD8UL/PD8ULCB
1P to 8P
1N to 8N
Function/Description
Positive DC power outputs.
Negative DC power outputs.
AL400ULX Series Installation Guide