
2906164
SKU
PHX2906164
MPN
MACX MCR-EX-SL-UI-REL
Weight
0.266 kg
MACX MCR-EX-SL-UI-REL - Limit value switch
Limit value switch with Ex i 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.
Technical Specifications
Product properties
| Product family | MACX Analog |
| Type | Ex i signal conditioners with SIL and PL Functional Safety |
| Configuration | DIP switches |
| Configuration | Potentiometer |
Insulation characteristics: GB Standard
| Overvoltage category | II |
| Pollution degree | 2 |
Functionality
| Configuration | DIP switches |
| Configuration | Potentiometer |
Electrical properties
| 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 60079-11) |
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 60079-11) |
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
| Description of the input | Intrinsically safe |
| Voltage input signal | 0.1 V ... 10 V |
| Voltage input signal | 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 |
| Current Input Signal | 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) |
| Line fault detection | > 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) |
| Max. switching current | ≤ 1 A DC (ohmic load, 24 V DC, 50 mW) |
| Max. switching current | ≤ 0.2 A DC (ohmic load, 120 V DC) |
Connection data
| 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 data
| Ex installation (EPL) | Gc |
| Ex installation (EPL) | Div. 2 |
| Ex i circuits (EPL) | Ga |
| Ex i circuits (EPL) | Da |
| Ex i circuits (EPL) | Ma |
| Ex i circuits (EPL) | Div. 1 |
Safety data
| Input voltage Ui | 30 V (Current and voltage input) |
| Input current Ii | 120 mA (Current and voltage input) |
| Input power Pi | 900 mW (Current and voltage input) |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | 75 nF (for current input) |
| Max. internal capacitance Ci | Negligible at voltage input |
| Max. output voltage Uo | 0 V DC (Current input) |
| Max. output voltage Uo | 3.9 V DC (Voltage input) |
| Max. output current Io | 0 mA (Current input) |
| Max. output current Io | 0.1 mA (Voltage input) |
| Max. output power Po | 0 mW (Current input) |
| Max. output power Po | 0.5 mW (Voltage input) |
| Safety-related maximum voltage Um | 253 V AC |
| Safety-related maximum voltage Um | 125 V DC |
| IIC: Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 3.3 µF, 5 mH / 4.7 µF, 1 mH / 6.3 µF |
| IIB/IIIC: Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 16 µF, 5 mH / 24 µF, 1 mH / 35 µF |
Signaling
| Status display | Green LED (supply voltage) |
| Status display | Yellow LED (switching output) |
| Status display | Red LED, flashing (line, sensor error, ERR) |
Dimensions
| 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) |
Material specifications
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V0 (Housing) |
| Housing Material | PA 6.6-FR |
Ambient conditions
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -20 °C ... 65 °C (Any mounting position) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 2000 m |
| Permissible humidity (operation) | 5 % ... 95 % (non-condensing) |
CE
| Certificate | CE-compliant |
| Note | and EN 61326 |
ATEX
| Identification | II (1) G [Ex ia Ga] IIC |
| Identification | II (1) D [Ex ia Da] IIIC |
| Identification | II 3(1) G Ex ec nC [ia Ga] IIC T4 Gc |
| Certificate | TÜV 17 ATEX 8061 X |
IECEx
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Identification | Ex ec nC [ia Ga] IIC T4 Gc |
| Certificate | IECEx TUR 18.0014X |
UKCA Ex (UKEX)
| Identification | II (1) G [Ex ia Ga] IIC |
| Identification | II (1) D [Ex ia Da] IIIC |
| Identification | II 3(1) G Ex ec nC [ia Ga] IIC T4 Gc |
| Identification | I (M1) [Ex ia Ma] I |
| Certificate | TÜV 22 UKEX 7081 X |
CCC / China-Ex
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Identification | Ex ec nC [ia Ga] IIC T4 Gc |
| Certificate | 2022122316115960 |
UL, USA/Canada
| Identification | UL 61010 Listed |
| Identification | Class I Div 2; IS for Class I, II, III Div 1 |
| Certificate | , C.D.-No 83104549 |
Shipbuilding approval
| Certificate | DNV GL TAA000020C |
Safety Integrity Level (SIL, IEC 61508)
| Identification | 2 |
| Certificate | TÜV Rheinland 968/FSP 1481.00/17 |
| Note | Single-channel |
| Identification | 3 |
| Certificate | TÜV Rheinland 968/FSP 1481.00/17 |
| Note | Two-channel |
Systematic Capability
| Identification | 3 |
Performance Level (ISO 13849)
| Identification | c |
INMETRO
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Identification | Ex ec nC [ia Ga] IIC T4 Gc |
| Certificate | DNV 21.0089 X |
DNV GL data
| Temperature | B |
| Humidity | B |
| Vibration | A |
| EMC | A |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
EMC data
| Noise immunity | EN 61000-6-2 |
| Note | When being exposed to interference, there may be minimal deviations. |
| Electromagnetic compatibility | Conformance with EMC directive |
| Noise emission | EN 61000-6-4 |
Standards and Regulations
| Electrical isolation | 3-way isolation |
GB Standard
| Standards/regulations | GB 3836.1 |
| Standards/regulations | GB 3836.3 |
| Standards/regulations | GB 3836.4 |
| Standards/regulations | GB 3836.8 |
Mounting
| Mounting Type | DIN rail mounting |
Accessories
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Additional Information
| Pack Size | 1 |
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