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Document 15342 Rev D1 07/24/97 P/N 15342:D1
Application Example #2: Zone Alarm and Trouble Activation (no system status
relays)
Program the SFP-1024 at Level 3 addresses 02 - 03 for the proper address setting.
The address selected must be the highest or maximum address value selected on
any annunciator or ACM-8R connected to the EIA-485 port. (Refer to the Program-
ming Instructions Section 3 of the SFP-1024 Installation Manual P/N: 50475).
For this example, two relays per zone are required for alarm and trouble, therefore,
three ACM-8Rs are necessary. In this example, the ACM-8Rs are the only devices
on the EIA-485 bus. Set the ACM-8R address switches so that SW1 = 0 and SW2 =
1 on
each of the three ACM-8Rs. Enter this address into the SFP-1024 Level 3
addresses 02 - 03.
Set the SW4 Mode Select switch on each ACM-8R to Alarm/Trouble activation (SW4-
1 = OFF). Set SW4-2 to the ON position for Receive Only operation on the first two
ACM-8Rs and set SW4-2 to the OFF position for Receive/Transmit operation on the
last (3rd) ACM-8R to ensure proper supervision of all modules. On the first ACM-8R,
set SW3-3 = ON, SW3-5 = ON and the remaining SW3 switches to OFF. On the
second ACM-8R, set SW3-4 = ON, SW3-5 = ON and the remaining SW3 switches to
OFF. On the last ACM-8R, set SW3-1 = ON, SW3-6 = ON and the remaining SW3
switches to OFF. Refer to the following charts:
4
2
0
1
-
P
F
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n
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8
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m
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2
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A
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7
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6
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4
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2
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(
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7
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3
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(
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/
N
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=
8
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7
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5
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4
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F
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,)
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b
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m
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(
F
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