Introduction, General, Mounting – Fire-Lite ACM-8RF Control Relay Module User Manual

Page 7: Abs-8rf

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ACM-8RF PN 50362:C 03/21/01

7

1. Introduction

General

The ACM-8RF Relay Control Module contains eight high current (5 amps)
Form-C relays. The module interfaces to host Fire•Lite control panels which
employ an EIA-485 communications bus and may be connected to the bus up
to 6,000 feet away from the host control panel.

Typically, each relay is assigned to a zone on the
host fire alarm control panel. The relays may be
triggered by either a zone alarm (activation) or
zone trouble. The relays may also take on
special functions depending upon the host
panel. Refer to the Appendices for additional
information.

The ACM-8RF Relay Control Module may be
used in combination with the following
products on the same EIA-485 bus circuit:

• AFM/ACM Series LED annunciators

• LDM Series graphic annunciators

• UDACT-F (Universal Digital Alarm Communicator/Transmitter)

• LED-10 Annunciator

EIA-485 bus compatible accessories are designed to provide maximum
flexibility to system configurations. Examples include multiple remote LED
annunciators with customized labels per corresponding area or function,
multiple remote graphic annunciators that illustrate building layout and floor
plans, remote DACTs for strategic mounting location near telephone
equipment plus remote high current switching relays for such purposes as fan
and damper control, elevator recall and door releasing.

Mounting

The ACM-8RF module will mount to an ABS-8RF backbox.
A blank faceplate is provided with the backbox.

The CAB-3F Series cabinets, with CHS-4L or CHS-4F
chassis, may also be used to house several ACM-8RFs.

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