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M221E_DBL_LST_EN_0804.PDF • PAGE 1
ABuilding 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
