Automation Current Sensors: Process Control & Condition Monitoring

In industrial automation, measuring the input current of a load provides more information than directly measuring parameters like temperature, pressure, or torque. Current sensors enable faster, more reliable, and more cost-effective process control and condition monitoring. By installing electrical transducers in control panels or on motor drives, operators can monitor equipment status, regulate parameters, receive failure warnings, and launch backup systems. This article covers typical automation applications including machine and panel building, system integration, safety operations, process supervision, maintenance, and energy sub-metering.

Increased Process Automation Efficiency

Traditional process control still implies monitoring and regulation of parameters such as temperature, pressure, torque, position, etc. But measuring these directly can be both inefficient and inaccurate. Measuring the input current of a load provides much more information than just the current value and has a number of advantages like speed, ease of use, reliability, and savings. An increasing number of process automation and condition monitoring applications are following this trend.

Benefits of Installing Electrical Transducers

Installing electrical transducers in control panels or on electric motor drives allows:

  • Monitoring of the status of various kinds of electro-mechanical installations
  • Regulation of miscellaneous parameters
  • Failure warning and early detection
  • Back-up system launch during outages

Typical Applications for Automation

Key Automation Use Cases

  • Machine and panel builders: Integrated current sensing in control panels
  • System integrators / engineering: Custom automation solutions
  • Safety operations: Personnel protection systems
  • Process control: Supervision and automation (smelting furnace, electrolysis, electro-mechanical monitoring)
  • Maintenance operations: Condition monitoring and predictive maintenance
  • Facilities & infrastructure: Cathodic protection current, material conveyor drives
  • Energy production & consumption: Site energy sub-metering

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