Digital Monitoring Products 1912XR Guide d'installation télécharger pdf (Page 12)

Digital Monitoring Products, Inc. 1912XR Installation Guide

Page 12

1912XR Installation Guide

Powered Loop for 2-Wire Smoke Detectors

11.1 Terminals 12 and 13

A resettable 2-wire Class B powered loop is provided on terminals 12 (positive) and 13 (negative) of the

panel. For programming purposes the loop number is 5. The loop uses a Model 309, 3.3K Ω EOL resistor

provided with the panel and has an operating range of 8.8 to 14.2 VDC. The UL compatibility identifier is:

A. The following detectors are compatible with the 1912XR and 715 Loop Expander powered loops:

Protection Loops

12.1 Description

Terminals 14 to 19 are the four burglary loops. For programming purposes, the loop numbers are 1 to 4.

Terminals 14 to 19 provide connection as described below.

Terminal Function

14 Loop 1 voltage sensing

15 Ground for Loops 1 & 2

16 Loop 2 voltage sensing

17 Loop 3 voltage sensing

18 Ground for Loops 3 & 4

19 Loop 4 voltage sensing

The voltage sensing terminal measures the voltage flowing through a 1k Ω End Of Line resistor to ground.

Dry contact sensing devices can be used in series (normally-closed) or in parallel (normally-open) with any

of the burglary protection loops.

Mfg Model

Detector

I D

Base

I D

# of

Detector

SS 1151 A B110LP or B116LP – 10

SS 2151 A B110LP or B116LP – 10

SS 1400 A – – 12

SS 1451 A B401 or B401B A 10

SS 1451DH A DH400 A 10

SS 2400, 2400TH A – – 10

SS 2451, 2451TH A B401 or B401B A 10

SS 2451 A DH400 A 10

DS DS200/DS200HD A MB200-2W A 15

DS DS250/DS250TH B MB2W/MB2WL A 10

ESL 422C/422CT S10P – – 25

ESL 429C/429CT S09A – – 12

ESL 422CRT/422CST S11A – – 12

HOC SLK-12 HD-4 HSB - 12 - 1 HB-80 18

RA-400 MAY BE USED ON ALL BRK DETECTORS

USE 330 OHM RESISTOR IN MB200-2W BASE

DIFFERENT DETECTOR MODELS MAY NOT BE MIXED

Figure 6: Compatible 2-wire smoke detectors

NORMALLY CLOSED CONTACTS NORMALLY OPEN CONTACTS COMBINATION: NORMALLY OPEN AND

NORMALLY CLOSED CONTACTS

Figure 7: Protection loop contact wiring

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

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