IM Environmental Equipment Germany GmbH

IMModel MGS-402 -Gas Detection Controller

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Bacharach’s MGS-402 Gas Detection Controller centralizes the status of up to 2 MGS-410 gas detectors in one single location.
A bank of LEDs corresponds to each connected gas detector; showing power, alarm status and fault indicators. The MGS-402 can provide power for up to 2 pieces MGS-410 gas detectors, which can be daisy-chained along with Modbus communication to each gas detector; simplifying and reducing the cost of installation. Combining the MGS-402 with Bacharach’s MGS-410 gas detectors provides a single system with an easy means of achieving compliance with refrigeration safety standards such as EN 378 and ASHRAE 15.

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  • LED Status Indication - At-a-glance visualization of whole gas detection system alarm status
  • Alarm LEDs - Red alarm LEDs are located in the transparent frame of the front panel, so that the entire housing flashes and lights up in case of an alarm
  • Output - Two configurable analog outputs (4-20mA, 1-5, 2-10VDC)
  • Alarm output - Three relays (pre-alarm, main alarm, fault)
  • Power Gas Detectors - Saves time and money on electrical installation
  • Bus system - communication with the MGS-410 detectors and power supply to the detectors results in shorter installation time and reduces installation costs
  • Modbus RTU Master to Gas Detectors - Gathers full set of gas detector status
  • Modbus RTU Slave to BMS / BAS - Integrates into BMS / BAS or refrigeration controllers
  • Enclosure - Protection class IP66
  • Audible and Visual Alarms - Complies with ASHRAE 15 / EN 378 - no additional hardware
  • User interface     2 x push buttons
  • Common Alarm Relays     1 x Low Alarm, 1 x High Alarm (240 VAC @ 10A)
  • Fault Alarm Relays     1 x  Fault (240 VAC @ 10A)
  • Serial Ports     
  • 1 x RS485 MODBUS RTU Slave for BMS/BAS
  • 1 x RS485 MODBUS RTU Master for Gas Detectors
  • Analog Output     2 x analog output (4-20mA, 1-5, 2-10VDC)
  • Alarm Silence     2 x push buttons / AUX input
  • Ambient Temperature Range     -40 - 50°C
  • Power Supply     100 - 240 VAC, 50/60 Hz, 20W (max.); 24VDC
  • Dimensions / Weight     165 x 165 x 87 mm / 0,76 kg
  • Enclosure Rating     IP66
  • Cable Entries     2 x M20 / ½" for power supply; 6 x M16 cable gland for communication
  • Approvals     CE, UL / CSA / IEC EN 61010-1
  • Gas Detection Controller MGS-402
  • Manual
  • External Strobe & Horn (24VDC or 240VAC)