Features, Relays, 24 vdc power and earth ground – Fire-Lite ACM-8RF Control Relay Module User Manual

Page 8: Introduction features 8, Figure 1 acm-8rf features

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1. Introduction

Features

8

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

Features

Figure 1 ACM-8RF Features

Relays

The Relay Control Module provides eight Form-C relays with 5 amp contacts
@ 125 VAC (resistive) or 30 VDC (resistive) and 2 amps at 125 VAC
inductive). The relay contacts are gold plated silver alloy for medium duty
switching and are not intended for motor control or pilot duty. Wiring to the
relays is via sturdy removable terminal blocks.

24 VDC Power and Earth Ground

Wiring to removable terminal block TB1 is for 24 VDC power-limited,
regulated, nonresettable power from the host FACP or a compatible UL listed
battery backed power supply such as the Fire•Lite FCPS-24F. This terminal
block may be used to daisy chain the 24 VDC to other ACM-8RFs or EIA-485
Fire•Lite compatible devices.

1 2

O

F

F

1

2

3

4

5

6

7

8

O

F
F

Relays

Relays

SW4 - Mode
Select
Switch

SW3 - Relay Assignment
DIP Switches

SW1-SW2
Address
Select Rotary
Switches

TB2 - EIA-485

Terminal Block

TB1 - 24 VDC

Terminal Block

A

C

M

-8RF

.cdr

K5

K6

K7

K8

K4

K3

K2

K1

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