General Description
Loop M X is a module with one addressable loop
interface handling up to 254 loop devices. Status
indicators are visible in the front.
Loop features
• Independent CPU operation.
• Frequency-shift keying (FSK) wave technology.
• Galvanic isolation separates the loop from the
system power supply.
• Dual Shor t Circuit Isolators (DSCI).
• Service interface for PC monitoring.
Data
Operating voltage range 19-30 VDC
Loop driver voltage 34-38 VDC
SRTP limit voltage 27-29 VDC
Current consumption (at
24V, no loop units
connected)
55 mA
Max continuous output
current
250 mA
Max no. of loop units 254
Communication parameters
for the detector loops
FSK keying*
Cable terminals 2.5 mm2
Operating temperature
range
-5°C to +55°C
Weight (with housing) 135g ±5%
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