Serviceline Industrial Sensors
Serviceline Explosion Protection

Relay Modules

A relay module switches circuits inside the hazardous area. It can be used to sense external on/ off conditions and to control a variety of external devices. Typical circuits include:

  • Remote counter resets
  • Remote strain gauge calibration
  • Fire alarm test
  • Multiplexing sensor values
  • Switching EX m-, Ex d-solenoids