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Optional Modules
2.15.2 ACM-8RF Relay Control Module
WARNING: Disconnect all sources of power (AC and DC) before install-
!
ing or removing any modules or wiring
The ACM-8RF module provides eight Form-C relays with contacts rated for
5 amps. When installed with an MS-9200 FACP, the ACM-8RF modules
provide relay activation for each of the 56 possible FACP zones plus special
functions. Options exist to allow for alarm only or alarm and trouble activa-
tions per zone. Output activation for general alarm, general trouble, general
supervisory, NAC fault, AC fail, walktest start and battery trouble are also
available. Refer to the ACM-8RF Manual Appendix for information on set-
ting module switches for addressing and relay functions.
The ACM-8RF is installed on the standard EIA-485 communication bus and
wiring is supervised by the FACP. Power for the module must be power-
limited and may be provided by the FACP or a UL listed power supply such
as the FCPS-24FE. Up to 32 ACM-8RF Relay Control Modules may be
placed onto the EIA-485 communication bus (if no other devices are
installed on the bus). Removable terminal blocks are provided for ease of
wiring installation and servicing. Refer to the ACM-8RF Manual for UL power-limited wiring requirements and
switch SW4 receive/transmit selection options. The ACM-8RF module can be mounted remotely in an ABS-8RF
annunciator surface-mount backbox.
CAUTION: It is vitally important that, following relay programming, all relays be tested for correct activation by trig-
gering zones and/or special functions at the FACP. It should also be noted:
• ACM-8RF relays will activate during the A larm Presignal sequence
• ACM-8RF relays will not activate during the A larm Verification Retard and Reset Periods
ACM-8RF Relay Control Module Installation
FIGURE 2-34:
Nonresettable 24 VDC
Power Out TB4-3(+) & 4(-)
MS-9200
ACM-8RF
Document #50428
Rev. C1
ABS-8RF Enclosure
FIGURE 2-33:
EIA-485 TB5-1(+) & 2(-)
2/15/99
P/N 50428:C1
49
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