9010 / 9020 SIL Controller


MSA’s 9010/9020 LCD control units are designed to offer maximum flexibility to work in conjunction with a wide variety of remote sensors to provide reliable gas detection in a wide range of industries and applications.

Advanced design using SMD and mostly RoHS Directive compliant components throughout and innovative features put the 9010/9020 LCD control units a step ahead of any conventional gas warning system.

The 9010 LCD operates with one independent sensor [single channel] while the 9020 LCD operates with two independent sensors [dual channel] per control module offering considerable cost saving while maintaining high reliability and performance.

Modular design combined with dual channel capability allows for high density packaging in a single 19 rack [up to 20 points].

A high level of reliability is possible as each control module is fitted with an independent AC/DC power supply transformer and logic circuit with software validated according to ATEX Directive 94/9/EC.


  • ATEX 94/9/EC compatible where applicable
  • Failure status for low AC/DC power
  • Over range EEEE latching
  • Series connected opto-isolators provide failure status
  • Redundant dual contact failure relay [selectable latching/non-latching function]
  • Alarm threshold inhibit
  • Choice of measuring units – LEL-LELm-PPM-% Vol-g/m3 or blank
  • Operates with a complete range of gas sensors and transmitters including semiconductor sensors, conventional smoke and temperature sensors, manual call points, thermo-resistive cable
  • 4–20 mA current loop accept [one person]
  • Full internal diagnostics
  • User-friendly configurable operation
  • Firmware can be easily loaded via laptop
  • Versatile system functions with logic levels
  • Adjustments via membrane keypads
  • Up to 20 channels per rack
  • Individual terminal blocks per module
9010 / 9020 SIL Controller
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