MACX MCR-EX-SL-2NAM-RO
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Isolation amplifier
2865476
Ex i NAMUR isolating amplifier, 2-channel. For operating proximity sensors and switches in Ex areas. The signals are transmitted via relay outputs (N/O contact) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
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Product details
| Product type | Isolating switch transf. |
| Product family | MACX Analog |
| Application | Digital IN |
| No. of channels | 2 |
| Type | Ex i signal conditioners with SIL functional safety |
| Configuration | DIP switches |
| Functionality | |
| Configuration | DIP switches |
| No. of channels | 2 |
| Electrical isolation | 3-way isolation |
| Electrical isolation between input and output | yes |
| Maximum power dissipation for nominal condition | < 1 W |
| Electrical isolation Input/output IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Overvoltage category | III |
| Pollution degree | 2 |
| Electrical isolation Input/supply, DIN rail connector IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Overvoltage category | II |
| Pollution degree | 2 |
| 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 | 35 mA (24 V DC) |
| Power dissipation | < 1 W |
| Power consumption | < 1 W |
| Signal: NAMUR | |
| Description of the input | Intrinsically safe |
| Number of inputs | 2 |
| 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 | 1 N/O contact per channel |
| 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 |
| Ex installation (EPL) | Gc |
| Div. 2 | |
| Ex i circuits (EPL) | Ga |
| Da | |
| Ma | |
| Div. 1 | |
| Safety data | |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | 11 nF |
| Max. output voltage Uo | 9.6 V |
| Max. output current Io | 10 mA |
| Max. output power Po | 25 mW |
| Safety-related maximum voltage Um | 253 V AC |
| 125 V DC | |
| IIA/I (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 210 µF |
| IIB/IIIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 26 µF |
| IIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 300 mH / 3.6 µF |
| IIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 500 nF, 50 mH / 570 nF, 5 mH / 590 nF, 1 mH / 590 nF, 10 µH / 590 nF |
| I/IIB/IIA/IIIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 1 µF, 5 mH / 1 µF, 1 mH / 1 µF, 10 µH / 1 µF |
| Data | |
| No. of channels | 0 |
| Status display | Green LED (supply voltage) |
| LED yellow (switching state) | |
| Red LED (line errors) |
| 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) |
| Flammability rating according to UL 94 | V0 (Housing) |
| Housing material | PA 6.6-FR |
| Ambient conditions | |
| Degree of protection | IP20 (not assessed by UL) |
| Ambient temperature (operation) | -40 °C ... 60 °C (Any mounting position) |
| -40 °C ... 70 °C (Derating) | |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
| Altitude range (≤ 2000 m) | |
| Altitude | ≤ 2000 m (The technical data refers to altitudes ≤2000 m above mean sea level. For altitudes >2000 m above mean sea level, refer to the data sheet.) |
| Ambient temperature (operation) | -40 °C ... 60 °C |
| -40 °C ... 70 °C (Derating) | |
| Rated insulation voltage | 253 V AC (Power supply, input / output) |
| 125 V DC (Power supply, input / output) | |
| Altitude range (≤ 3000 m) | |
| Height range | > 2000 m ... 3000 m |
| Ambient temperature (operation) | -40 °C ... 54 °C |
| -40 °C ... 63 °C (Derating) | |
| Rated insulation voltage | 190 V AC (Power supply, input / output) |
| 110 V DC (Power supply, input / output) | |
| Altitude range (≤ 4000 m) | |
| Height range | > 3000 m ... 4000 m |
| Ambient temperature (operation) | -40 °C ... 48 °C |
| -40 °C ... 56 °C (Derating) | |
| Rated insulation voltage | 60 V AC/DC (Power supply, input / output) |
| Altitude range (≤ 5000 m) | |
| Height range | > 4000 m ... 5000 m |
| Ambient temperature (operation) | -40 °C ... 42 °C |
| -40 °C ... 49 °C (Derating) | |
| Rated insulation voltage | 60 V AC/DC (Power supply, input / output) |
| CE | |
| Certificate | CE-compliant |
| Note | and EN 61326 |
| ATEX | |
| Identification | II (1) G [Ex ia Ga] IIC |
| II (1) D [Ex ia Da] IIIC | |
| II 3 (1) G Ex ec [ia Ga] nC IIC T4 Gc | |
| I (M1) [Ex ia Ma] I | |
| Certificate | IBExU 07 ATEX 1069 X |
| UKCA Ex (UKEX) | |
| Identification | I (M1) [Ex ia Ma] I |
| II (1) G [Ex ia Ga] IIC | |
| II (1) D [Ex ia Da] IIIC | |
| II 3 (1) G Ex ec [ia Ga] nC IIC T4 Gc | |
| Certificate | CML 22UKEX7421X |
| IECEx | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Ex ec [ia Ga] nC IIC T4 Gc | |
| [Ex ia Ma] I | |
| Certificate | IECEx IBE 08.0001X |
| CCC / China-Ex | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Ex ec nC [ia Ga] IIC T4 Gc | |
| Certificate | 2022122316115975 |
| UL, USA/Canada | |
| Identification | UL 61010 Listed |
| Class I, Div. 2, Groups A, B, C, D T4 | |
| Class I, Div. 2, Groups IIC, IIB, IIA T4 | |
| Associated apparatus for use in Class I, Division 1, Groups A,B,C,D | |
| Associated apparatus for use in Class II, Div.1 Groups E,F,D | |
| Associated apparatus for use in Class III, Division 1 | |
| Associated apparatus for use in Class I, Zone 0,1,2, Groups IIC,IIB,IIA | |
| Certificate | , C.D.-No 83104549 |
| UL, USA/Canada | |
| Identification | Class I Div 2; IS for Class I, II, III Div 1 |
| UL 61010 Listed | |
| Certificate | , C.D.-No 83104549 |
| KC-s | |
| Identification | [Ex ia] IIC/IIB |
| Certificate | 17-KA4BO-0410X |
| Shipbuilding approval | |
| Certificate | DNV GL TAA00000AG |
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | 2 |
| INMETRO | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Ex ec nC [ia Ga] IIC T4 Gc | |
| [Ex ia Ma] I | |
| Certificate | DNV 18.0114 X |
| EAC Ex | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Certificate | RU C-DE.AB72.B.00093/19 |
| DNV GL data | |
| Temperature | B |
| Humidity | B |
| Vibration | A |
| EMC | B |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Noise immunity | EN 61000-6-2 |
| EN 61326 | |
| Electromagnetic compatibility | Conformance with EMC directive |
| Noise emission | EN 61000-6-4 |
| Electromagnetic HF field | |
| Designation | Electromagnetic RF field |
| Standards/regulations | EN 61000-4-3 |
| Evaluation criterion | A |
| Fast transients (burst) | |
| Designation | Fast transients (burst) |
| Standards/regulations | EN 61000-4-4 |
| Evaluation criterion | A |
| Conducted interference | |
| Designation | Conducted interferences |
| Standards/regulations | EN 61000-4-6 |
| Evaluation criterion | A |
| Electrical isolation | 3-way isolation |
| GB Standard | |
| Standards/regulations | GB/T 3836.1 |
| GB/T 3836.3 | |
| GB/T 3836.4 | |
| GB/T 3836.8 | |
| Mounting type | DIN rail mounting |
Your advantages
Power supply and error indication possible via DIN rail connector
Up to SIL 2 according to IEC 61508
Installation in zone 2, protection type "n" (EN 60079-15) permitted
Line fault detection (LFD), can be activated/deactivated, error indicated by flashing red LED with de-excitation of output relay
LED indicators for supply voltage, switching state, and malfunction in accordance with NAMUR NE 44
3-way electrical isolation
Direction of operation can be selected (operating or closed circuit current behavior)
Relay signal output (N/O contact)
Input for NAMUR proximity sensors (EN 60947-5-6), floating contacts or contacts with resistance circuit, [Ex ia] IIC
2-channel