Gas Monitors & Solutions by OBW Technologies

System 57 Controller

system 57 controller
Scope Of Work Fixed Gas Detection

Product Details

A high precision, intelligent controller that accepts inputs from flammable and toxic gas detectors as well as flame, smoke and heat detectors and manual call points.

System 57 accepts inputs from flammable and toxic gas detectors, a large range of flame, smoke and heat detectors and manual call points. Available outputs include relays, analogue signals and industry standard digital protocols. Packaged in either wall mounting cabinets or panel mounting racks, System 57 can be used stand alone or integrated into the heart of a fire and gas system.

Features and Benefits:

Control Cards
The System 57 offers unrivalled flexibility with both fire and gas control cards available in the same rack.

Gas Control Cards
The System 57 gas control cards provide display and alarm facilities for the full range of our gas detectors. Their concise, back lit, multi-part LCD displays the gas reading and status in both analogue bar graph and digital numeric forms. In addition, there is an alphanumeric message section to give sensor (and engineering function) status. There is a choice of either the single channel 5701 or the four channel 5704 gas control cards. Each card has two input options; one is for catalytic bridge type while the other is for 4-20mA sensors or transmitters.

•  3 levels of alarm
•  Options of individual, zoned, voted, master, time delayed, update and rate of 
   rise alarm facilities
•  Clear 4 part LCD display
•  Peak reading facility
•  Sensor performance monitoring

Fire Control Cards

The 5704F fire control cards provide display and alarm facilities for a wide variety of fire detection products and provides up to four fire zone inputs compatible with most flame, smoke and heat detectors and manual call points. The status of each fire zone is individually displayed by high intensity LEDs. 

In addition, each card has two line monitored alarm output circuits. Both fire and gas control cards can be freely mixed in a rack.


•  High intensity LED indications
•  Up to 60 fire zones per 19″ rack
•  Configurable for use with a wide range of fire detection products.

A World of control technology

  • High precision, intelligent control
  • Master / voted alarm options
  • High packing density
  • Flexible I/O configuration
  • Relay output options

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