MACX MCR-EX-SL-NAM-2T-SP - Isolation amplifier

2924074

Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via 2 transistor outputs (passive) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.

Utilization restriction
EMC note EMC: class A product, see manufacturer's declaration in the download area

Product type Isolating switch transf.
Product family MACX Analog
Application Digital IN
No. of channels 1
Type Ex i signal conditioners with SIL functional safety
Configuration DIP switches
Insulation characteristics: GB Standard
Overvoltage category II
Pollution degree 2

Functionality
Configuration DIP switches

Electrical isolation 3-way isolation
Electrical isolation between input and output yes
Electrical isolation Input/output
Electrical isolation 375 V (Peak value in accordance with IEC/EN 60079-11)
Electrical isolation Input/output/supply, DIN rail connector
Rated insulation voltage 300 Vrms
Test voltage 2.5 kV AC (50 Hz, 60 s)
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)
Electrical isolation Output 1/output 2
Rated insulation voltage 50 Vrms
Test voltage 1 kV AC (50 Hz, 60 s)
Insulation Basic insulation in accordance with IEC/EN 61010-1
Supply
Nominal supply voltage 24 V DC
Supply voltage range 19.2 V DC ... 30 V DC (24 V DC, -20 % ... +25 %)
Max. current consumption < 28 mA (24 V DC)
Power dissipation ≤ 800 mW
Power consumption ≤ 800 mW

Signal: NAMUR
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
Switching threshold "0" signal current < 1.2 mA (blocking)
Switching threshold "1" signal, current > 2.1 mA (conductive)
Short-circuit current 8 mA
Switching hysteresis < 0.2 mA
Line fault detection < 0.05 mA ... 0.35 mA (Line break)
< 100 Ω ... 360 Ω (Short circuit)
Activated /deactivated via DIP switch
Non-load voltage 8 V DC

Switching: Transistor
Output description passive
Minimum switching voltage 3 V DC
Maximum switching voltage 30 V DC
Drop (ΔU) < 1.4 V
Max. switching current 50 mA (short-circuit-proof)
Min. switching current 5 mA (short-circuit-proof)
Switching frequency ≤ 5 kHz
Signal
Number of outputs 2

Connection method Push-in connection
Stripping length 8 mm
Conductor cross section rigid 0.2 mm² ... 1.5 mm²
Conductor cross section flexible 0.2 mm² ... 1.5 mm²
Conductor cross section AWG 24 ... 16

Ex installation (EPL) Gc
Div. 2
Ex i circuits (EPL) Ga
Da
Ma
Div. 1