Installation, Configuration, and Programming
PN 15842:K 7/23/2002 37
4.12.2 Addressing ACM-24AT and ACM-48A
Set the address with rotary
switches SW27 and SW26 on the
back of the annunciator. Turn the
arrow with a small flat-head until
it points to the correct digit.
You can connect up to 32 devices
(such as ACMs, LDMs, and
AFMs) to the control panel using
up to 32 unique addresses. Only
one device per address can answer back.
Refer to your control panel documentation for valid addresses.
Using ACS and a UDACT on the Same Control Panel
The use of a UDACT Universal Alarm Communicator/Transmitter and an
Annunciator Control System at the same annunciator address will alter the
assignments of the trouble LEDs on ACS Points 3, 4, 5, 6, 7, and 8. Refer to the
UDACT installation manual and the literature for the respective fire alarm
control panel for further details.
4.12.3 Configuring Number of Expander Modules
Indicate the number of expanders connected to each ACM-24AT/ACM-48A by
setting DIP switch SW28 as shown in Table 4-2.
Note: Switch locations are illustrated in Figure 4-1 and Figure 4-2. To set a DIP
switch “ON”, push it towards the green circuit board.
Table 4-2 Configuring Number of Expanders
for ACM-24AT and ACM-48A
Pin on
Annunciator
Switch SW28
Number of expanders installed
None One Two Three
SW28-2 off on off on
SW28-3 off off on on
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
KEYLOCK
J2
SW27 TENS
SW26 ONES
ACM-24-48-addressing.cdr
Figure 4-18 Rotary Switches
SW27 Tens SW26 Ones
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