Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
IL 9144

Standstill Monitor

IL 9144


Time range

Auxiliary voltage


  • 0057161
  • IL9144.11 0,1-20S UH AC230V
Speed monitoring on rotating machine parts, monitoring of cyclic movements, general monitoring... more

Product description

Speed monitoring on rotating machine parts, monitoring of cyclic movements, general monitoring of pulse sequences (transportation, conveyors production systems), monitoring of pulse frequency (e.g. flow sensors, anemometers), watchdog function for controllers and PLCs.

Technical specifications

Width: 35 mm
Measuring range max.: 300000 IPM
Output contacts: 1 Wechsler
Enclosure design: Distribution board
Type: IL 9144


  • According to IEC/EN 60 255-1
  • Detection of standstill of rotating machine parts and cyclic pulses
  • Detection of blocking or missing pulses
  • Monitoring time adjustable between 0.1 ... 20 s (others on request)
  • Energized or de-energized on trip
  • For input frequency up to 5 kHz( 300000 ipm)
  • Universal input, suitable for a variety of sensors (PNP,NPN,2-wire, contact, voltage)
  • Input also suitable for SKF sensor bearings
  • As option for Namur sensors
  • On request with manual reset
  • IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
  • IL 9144 and SL 9144: for auxiliary supply up to AC 400V with
  • galvanic separation to sensor input
  • LED indicators for auxiliary supply, sensor pulses and contact position
  • 1 changeover contact (2 changeover on request)
  • Devices available in 2 enclosure versions:
    IK/IL 9144: depth 59 mm, with terminals at the bottom for installation
    systems and industrial distribution systems according to DIN 43 880
    SK/SL 9144: depth 98 mm, with terminals at the top for
    cabinets with mounting plate and cable duct
  • IK 9144, SK 9144: width 17.5 mm
    IL 9144, SL 9144: width 35 mm