MACX MCR-SL-NAM-2RO - Isolation amplifier

2865010

NAMUR signal conditioner for operating proximity sensors and switches. The signals are transferred to the control level using 2 isolated relay outputs (N/O contact). Line fault detection (LFD), 3-way electrical isolation, SIL 2, screw connection.

Product type Isolating switch transf.
Product family MACX Analog
Application Digital IN
No. of channels 1
Type Signal conditioners with SIL functional safety
Configuration DIP switches

Functionality
Configuration DIP switches

Electrical isolation 3-way isolation
Electrical isolation between input and output yes
Electrical isolation Input/supply, DIN rail connector IEC/EN 61010-1
Standards/regulations IEC/EN 61010-1
Rated insulation voltage 300 Vrms
Overvoltage category II
Pollution degree 2
Insulation Safe isolation
Electrical isolation Output 1/output 2/input, power supply, DIN rail connector IEC/EN 61010-1
Standards/regulations IEC/EN 61010-1
Rated insulation voltage 300 Vrms
Overvoltage category III
Pollution degree 2
Insulation Safe isolation
Electrical isolation Output 1/output 2/input/power supply, DIN rail connector
Test voltage 2.5 kV AC (50 Hz, 60 s)
Overvoltage category III
Pollution degree 2
Supply
Nominal supply voltage 24 V DC -20 % ... +25 %
Supply voltage range 19.2 V DC ... 30 V DC
Max. current consumption 30 mA (24 V DC)
Power dissipation < 950 mW
Power consumption < 950 mW

Signal: NAMUR
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: Relay
Contact switching type 2 N/O contacts
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 2

Connection method Screw connection
Stripping length 7 mm
Screw thread M3
Conductor cross section rigid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG 24 ... 14
Tightening torque 0.5 Nm ... 0.6 Nm
Test socket
Max. diameter 2 mm

Ex installation (EPL) Gc
Div. 2

Data
No. of channels 0

Status display Green LED (supply voltage)
LED yellow (switching state)
Red LED (line errors)