Teledyne - Model MX 52 -Multichannel Gas Detection Controller

• 2-16 channels
• SIL2 according to EN61511
• 2 discrete alarm relays per channel, 1 common Alarm 3 relay, 1 common Fault relay
• Keyboard or PC setup
• RS 485 output

• 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

Alarms

• 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

Inputs

• 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

Approvals

• Compliant with European standards EN 50054, EN 50057, EN 50104 and EN 50271 (harmonized standards 61779-1: 2000 and 61779-4: 2000)
• ATEX II(2)G
• SIL 2 capability according to EN 61511 (INERIS n° 68210-2005)
• EMC Directive EN 50081-1-2 and EN 50082-1-2
• Low voltage directive EN 61010-1
• Gas detection equipment MX52 controller

Teledyne - Gas Controllers and Gas Alarms