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2010 Catalogue
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MX48

• 1-8 Analog input channels
• Up to 18 on-board relays
• analog and RS485 outputs
• LED and audible alarms

MX48

>>Overview
>>Specifications
>>Ordering Information
>>Documents

The MX 48 is designed to protect your property and personnel in environments likely to contain flammable or toxic gases.

Equipped with up to 8 independent channels, the MX 48 can be used to control different types of detectors. In fact, this unit is compatible with all the detector-transmitters in the Industrial Scientific range and any detector with a standard 4-20 mA output.

Type:	Wall mounted controller
Function:	Microcontroller-based multichannel monitor
Capacity:	Up to 8 channels
Display:	Fluorescent, 2 lines of 16 characters Fixed or scrolling
ALARMS
Fault Alarms:	Yellow LED on each channel Action on common relay
Gas Alarms:	3 independent thresholds per channel (Red LED’s) 3^rd threshold time-delayed or mean value Manual or automatic reset 2 relay outputs per channel common relay on alarm 3
Audible Alarms:	80 dB at 30 cm
Relays:	2 gas alarm relays per channel 1 relay common for alarm 3 Programmable positive or negative safety on alarm relay Positive safety on failure Programmable NO or -NC
MEASUREMENT INPUT
Type of Detectors:	Flammable Bridge Type Flammable transmitter, toxic or oxygen detector, (type 4-20 mA)
Link:	2 or 3 wires
Loop Impedance:	Flammable, 3 wires - 32 Ω 4-20 mA : 2 or 3 wires - 56 Ω Average line length (in meters at 20°C for a 1.5 mm² conductor) Flammable : 1,000 m/ 4-20 mA - 2,000 m
Signal Output:	Analog 4-20 mA per channel, load resistance : 600 Ω max. Serial RS 485 or 232 in Modbus (J-BUS) format, opto-insulation an option
Power Supply:	109 to 122 V AC or 207 to 277 V AC 21 to 31 V DC
Power Consumption:	200 VA or 150 W
Miscellaneous:	Acknowledgement : local or remote
Operating Temperature:	-20°C to +55°C (-4°F to 131°F)
Humidity Range:	Relative humidity 5% to 95%,uncondensed
Compliance:	European Standards 50054, 50081 and 50082
Protection:	IP 65
Weight:	11 Kg
Dimensions:	H 340 x W 500 x D 89 mm

Part Number	Description
W48I820	Wall mounting controller type MX 48 fitted with 4 channels, 8 channels max., 230 VAC
W48I810	Wall mounting controller type MX 48 fitted with 4 channels, 8 channels max., 110 VAC
6451452	Card of 4 extra channels for MX48
6111255	Wall-mount battery backup-system