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The MX 52 control unit allows various detectors to be connected and monitored. Any gas detector from 3M or any other 4-20 mA device can be monitored and controlled.
The modular design and flexibility enable this MX 52 gas detection equipment to be adapted to your exact requirements.
Specification
| Manufacturer: | 3M Gas & Flame Detection |
| Type: | MX52 |
| Function: | Controller Safety Instrumented System |
| Capacity: | 8 cards, 2 independent channels each (max 16 channels) |
| Display: | Fluorescent 2 lines 16 fixed or scrolling characters |
| Fault Alarms: | Specific channel identification with yellow LED Common fault relay |
| Gas Alarms: | 3 independent thresholds per channel Third threshold on delay or average Automatic or manual reset Programmable increasing or decreasing alarm Visual red LED |
| Audible Alarms: | Follows the fault sequence and panel acknowledgement gas alarm |
| Outputs: | 2 independent gas alarm relays per channel (2 A – 250 VAC rating for resistive load) 1 common alarm 3 relay 1 common fault relay Energized or de-energized alarm relays Energized fault relay Programmable NC or NO on alarm 1, alarm 2 and fault alarm, SPDT on alarm 3 |
| Type of detectors: | Flammable catalytic bridge type – 3 wires Oxygen, toxic or flammable analog transmitters, 2 or 3 wires Other 4-20 mA analog output transmitters |
| Wiring: | 2 or 3 wires shielded cable |
| Loop impedance: | Flammable 3 wires: 32 Ω 4-20mA; 2 or 3 wires: 56 Ω Average line length (in meters at 20°C, core size 1,5 mm2): Flammable: Bridge type – 1000 m 4-20 mA – 2000 m |
| Signal Output: | 4-20 mA per channel Serial RS 485 or 232 MODBUS protocol |
| Power supply: | 103 to 122 Vac or 207 to 244 Vac 21 to 31 VDC Power consumption: 300 VA or 240 W |
| Miscellaneous: | Local or remote acknowledgement Operating temperature: -10 to +45°C Relative humidity: 5 to 95% non condensing |
| Dimensions: | Rack 3U, 19” frame Dimensions:482 w x 132 h x 266 d in mm |
| Weight: | 15 Kgs |
