DUAL PRIORITY SWITCH MONITOR MODULE

DESCRIPTION

Dual Priority Switch Monitor Module contains two priority switch

monitor modules on a single plate.

FEATURES

■ Three input states – ‘normal’, ‘trouble’, and alarm.

■ Loop-powered.
■ Visible LED’s.
■ Fast response time.
■ Interrupt facility.

INSTALLATION
▲ S-A4042
This product must be installed in accordance with the applicable
NFPA standards, local codes and jurisdictional authorities. Failure to
follow these instructions may result in failure of devices to report an
alarm condition. Shield Fire, Safety and Security Ltd is not responsi-
ble for devices which are improperly installed, maintained and tested.

Before installing this product, check the continuity, polarity and TECHNICAL DATA
insulation resistance of all wiring. Check that sitting is in accordance
with the fire system drawings and conforms to all applicable local Working Voltage 17-28 VDC
codes such as NFPA 72. Modulating Voltage 9-5 V (peak to peak)
Operating Current
Mount the electrical box as required and install all cables for termina- Current Consumption at 24V
tion. Ensure that cable shield/earth continuity is maintained. Supervisory Standby
Current 1.5 mA
Drill holes in the fascia plate corresponding to the holes on the mount- Surge current 2.5 mA
ing box selected (Fig 2). Max Alarm Current 5.0 mA (LED On)
Line Impedance 100 Ω max
Terminate all cables in compliance with local codes and regulations. Temperature Range 32ºF to 120ºF
(0ºC to 49ºC)
Set the address of the unit as shown on page (Fig 1). Humidity 10-93 % RH
Non-Condensing
Gently push the completed assembly towards the mounting box and
align the fixing holes. Secure the unit with screws provided. Do not
WIRING CLASS ADDRESS
over tighten the screws.
B 1
64 32 16 8 4 2 1
8 7 6 5 4 3 2 1

ON

A 0

Fig.1 DIL Switch

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 FUNCTIONAL TEST DATA
Output Bit Function Input Bit Function
Alarm LED Alarm LED Con rmation
2 1 = On 2 1 = On
0 = Off 0 = Off
Remote Test Indicates Class Wiring
1 1 = Test Enabled 1 1 = Class B*
0 = Normal 0 = Class A
Alarm Status
0 Not Used 1 1 = Alarm
0 = Normal
Note: Toggles to '0' in alarm

WIRING DIAGRAM
Incoming All circuits are power limited. Use only limited
communications energy cable types FPL, FPLR or FPLP on power
loop limited circuits.

Address 1
A/B +
Class B wiring method
L1 47K,
– A+
½W,
A– % 5 EOL
L2
A/B –
+ Initiating devices

Class A wiring method

A/B +
Address 2
A+

A–

A/B –
Initiating devices

Outgoing Any number of UL contact devices may be used.

communications Do not mix fire alram, supervisory or security
loop devices on the same monitor module.

Fig.2 Wiring diagram for 120 VAC I/O Module

ELV/05-08-18/Rev 01 2

SHIELD FIRE, SAFETY AND SECURITY LTD

Redburn House, 2A Tonbridge Road, Romford, Essex – RM3 8QE, United Kingdom
www.shieldglobal.com