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M221E_DBL_LST_EN_0804.PDF • PAGE 1

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Building Safety. Building Security.

Description

The  addressable  Module  M221E  serves  for  the  line-

monitored integration of 2 contact detectors, such as 

manual call points, sprinkler system contacts or super-

vising  contacts,  into  the  bidirectional  communication 

on the ADM loop with System Sensor/200 protocol. 

Furthermore,  it  can  be  used  to  actuate  external  de-

vices by means of a relay output with a dry change-

over contact, via the ADM loop. Each input as well as 

the output have individual status LEDs. Separate termi-

nals enable the operation of the module with or without 

the integrated dual-isolator.

Accessories for mounting on a wall, on a plate or on a 

DIN rail are available.

•   ADM loop technology with 

System Sensor/200 protocol

•   Two input lines monitored for wire 

breakage and short circuit 

•  One dry relay output
•   Setting of module address via 

decadic rotary switches

•   Mounting in module box or by means 

of mounting base

Specifi cations

Operating voltage 

Supply through loop voltage

Current consumption 

approx. 660µA (quiescent)

Contact rating 

2A/30VDC or 0.5A/125VAC

Ambient temperature 

-20°C to +60°C

Dimensions L × W × H 

93 × 94 × 23 (mm)

Colour 

cream

Weight 

110g

Approval 

VdS G202139

Order number 

249102

Order name 

Module 2xSurv.In 1xRel.Out/Anal./200/SS M221E

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