MACX MCR-SL-UI-REL - Limit value switch

2906169

Limit value switch with input for active current and voltage signals and a limit-value relay output (changeover contact). Can be set via DIP switch and potentiometer, galvanic 3-way electrical isolation, up to SIL2 (SC3), PLc Cat.1, screw connection.

Product type Limit value switch
Product family MACX Analog
Type Signal conditioners with SIL and PL Functional Safety
Configuration DIP switches
Insulation characteristics: GB Standard
Overvoltage category II
Pollution degree 2

Functionality
Configuration DIP switches

Electrical isolation 3-way isolation
Switching point accuracy < 0.1 %
Step response (0–99%) ≤ 22 ms
Maximum temperature coefficient 0.01 %/K
Maximum transmission error 0.1 %
Electrical isolation Output/supply
Rated insulation voltage 250 V AC (IEC/EN 60079-7)
Electrical isolation Input/output/power supply
Rated insulation voltage 300 V AC (EN 61010-1)
Test voltage 2.5 kV AC (50 Hz, 60 s)
Insulation Safe isolation in accordance with IEC/EN 61010-1
Electrical isolation Input/output, power supply
Rated insulation voltage 375 V AC (IEC/EN 60079-7)
Supply
Nominal supply voltage 24 V DC
Supply voltage range 9.6 V DC ... 30 V DC (12 V DC ... 24 V DC (-20 % ... +25 %))
Typical current consumption 38 mA (24 V DC)
Max. current consumption 90 mA (10 V DC)
Power dissipation < 0.9 W
Power consumption ≤ 1.2 W

Signal: Voltage/current
Voltage input signal 0.1 V ... 10 V
0.1 V ... 10.5 V (Maximum range)
Total error of the voltage input maximum ± 10 mV
Current input signal 0.2 mA ... 20 mA
0.18 mA ... 21 mA (Maximum range)
Total error of the current input maximum ± 20 µA
Input resistance of voltage input > 100 kΩ
Input resistance current input < 28 Ω
Switching threshold "0" signal current Configurable via DIP switch (in 1.25% increments) and potentiometer (linearly up to  2% of the switching threshold set via the DIP switch)
Switching hysteresis off: approx. 0.5 %, on: approx. 1 %
Line fault detection < 0.1 mA (Line break)
> 21.1 mA (Short circuit)

Switching: Relay
Contact switching type 1 changeover contact
Contact material AgSnO2, hard gold-plated
Max. switching current ≤ 4 A AC (cos phi = 1)
≤ 1 A DC (ohmic load, 24 V DC, 50 mW)
≤ 0.2 A DC (ohmic load, 120 V DC)

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

Status display Green LED (supply voltage)
Yellow LED (switching output)
Red LED, flashing (line, sensor error, ERR)

Dimensional drawing
Width 12.5 mm
Height 112.5 mm
Depth 113.7 mm
Depth NS 35/7,5 114.5 mm (Snapped onto DIN rail NS 35/7,5 in accordance with EN 60715)

Color gray (RAL 7042)
Flammability rating according to UL 94 V0 (Housing)
Housing material PA 6.6-FR