MX52

Manufacturer:

OLDHAM SA

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 +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