Altronix AL1002ULADA Manuel d'installation - Page 6
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Power Supply Board
Terminal Legend Function/Description
L, N
Connect 120VAC to these terminals: L to Hot, N to Neutral.
- DC +
24VDC @ 10 amp continuous, 10 amp in alarm non power-limited output.
Form "C" dry contacts indicate the loss of AC, with AC present terminals marked [NO and C] are
AC FAIL
open, [NC and C] are closed. When loss of AC occurs terminals marked [NO and C] are closed,
NO, C, NC
[NC and C] are open.
Form "C" dry contacts used to instantaneously signal the loss AC to local annunciation devices,
AC LOCAL
with AC present terminals marked [NO and C] are open, [NC and C] are closed. When loss of
NC, NO, C
AC occurs terminals marked [NO and C] are closed, [NC and C] are open.
Form "C" dry contacts indicate low battery voltage or loss of battery voltage. Under normal
BAT FAIL
conditions terminals marked [N.O. and C] are open, [NC and C] are closed. During a trouble
NO, C, NC
condition terminals marked [N.O. and C] are closed, and [N.C. and C] are open (Fig. 3, pg. 8).
+ BAT -
Stand-by battery input (leads provided) (Fig. 3, pg. 8).
*Power Board Parameter Specifications:
• AC Fail condition will report approximately 1.5 hours after loss of AC. To set AC Delay to 30 seconds, power the unit
down (AC supply and Battery) prior to changing switch position. Open or close "AC Delay" switch, respectively.
• Low battery condition will report at approximately 20VDC.
• Battery presence detection will report within 180 seconds after battery remains undetected (missing or removed).
A restored battery will report within 30 seconds.
Power Supply Board
Red (DC)
Green (AC) Power Supply Status
ON
ON
ON
OFF
OFF
ON
OFF
OFF
AL842LGK - Logic Board
LED
OFF
ON
Normal
ON
Normal
OFF
Normal
OFF
Normal
Input 1
Normal
Input 2
Normal
Fault
Normal
* Indicates existing trouble condition. When a trouble condition (open, short or ground) occurs on a specific output, the
corresponding red output LED, [OUT1-OUT4] will blink. The corresponding green input LED will blink as well.
** Indicates trouble condition memory. When a trouble condition restores, the units red output LEDs, [OUT1-OUT4]
will blink with a shorter and distinctly different duration. The green input LEDs will be off (normal condition).
To reset the memory depress the reset button located on the AL842LGK logic board (Fig. 2c, pg. 8).
The LED(s) will extinguish.
Note: When indicating circuits have restored, trouble memory reset is not required for normal operation.
- 6 -
Terminal Identification Table:
LED Diagnostics:
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.
ON
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
BLINK (LONG)*
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
---
BLINK (SHORT)**
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
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AL1042ULADA