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Ex i NAMUR signal conditioner. For operating proximity sensors and switches in a potentially explosive area. The signals are transmitted by a relay output (changeover contact) to a safe area. Line fault detection (LFD), 3-way isolation, SIL 2.

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توضیحات

Isolation amplifier – MACX MCR-EX-SL-NAM-R – 2865434

Product type Isolating switch transf.
Application Digital IN
No. of channels 1
Type Ex i signal conditioners with SIL functional safety
Configuration DIP switches
No. of channels 1
Electrical isolation 3-way isolation
Electrical isolation between input and output yes
Maximum power dissipation for nominal condition < 650 mW
Electrical isolation Input/output
Electrical isolation 375 V (Peak value in accordance with IEC/EN 60079-11)
Overvoltage category II
Degree of pollution 2
Electrical isolation Input/output/supply, DIN rail connector
Rated insulation voltage 300 Vrms
Test voltage 2.5 kV AC (50 Hz, 1 min.)
Overvoltage category II
Degree of pollution 2
Insulation Safe isolation in accordance with IEC/EN 61010-1
Electrical isolation Output/input, supply, TBUS
Rated insulation voltage 300 Vrms
Test voltage 2.5 kV AC (50 Hz, 1 min.)
Overvoltage category III
Degree of pollution 2
Insulation Safe isolation in accordance with IEC/EN 61010-1
Electrical isolation Input/supply, DIN rail connector
Electrical isolation 375 V (Peak value in accordance with IEC/EN 60079-11)
Overvoltage category II
Degree of pollution 2
Supply
Nominal supply voltage 24 V DC -20 % … +25 %
Supply voltage range 19.2 V DC … 30 V DC (24 V DC, -20 % … +25  %)
Max. current consumption 21 mA (24 V DC)
Power dissipation < 650 mW
Power consumption < 650 mW
Signal
Description of the input Intrinsically safe
Number of inputs 1
Available input sources NAMUR proximity sensors (IEC/EN 60947-5-6)
Floating switch contacts
Switch contacts with resistance circuit
Short-circuit current ~ 8 mA
Switching hysteresis < 0.2 mA
Switching: Relay
Contact type 1 changeover contact
Contact material AgSnO2, hard gold-plated
Maximum switching voltage 250 V AC (2 A)
120 V DC (0.2 A)
30 V DC (2 A)
Maximum switching capacity 500 VA
Recommended minimum load 5 V / 10 mA
Switching frequency ≤ 20 Hz (without load)
Signal:
Number of outputs 1

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