MCR-EE-EX-RTD-I
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Temperature measuring transducer
1552744
Ex i-Temperature signal conditioner: Converts signals from resistance thermometers installed in the potentially explosive area and transmits a 0 mA/4 mA ... 20 mA signal to a load in the safe area. number of channels: 1, freely programmable, 3-way isolation, Safety Integrity Level (SIL, IEC 61508): 2, Screw connection
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Product details
| Product type | Temperature transmitter |
| Product family | ESSENTIAL edition |
| Application | Temperature |
| No. of channels | 1 |
| Configuration | Software |
| Functionality | |
| Configuration | Software |
| Alignment span | ± 5 % |
| Alignment zero | ± 5 % |
| Electrical isolation | 3-way isolation |
| Electrical isolation between input and output | yes |
| Step response (0–99%) | 1 s |
| ≤ 1.7 s | |
| Temperature coefficient, typical | 0.01 %/K |
| Transmission error, typical | 0.1 % (e.g. for Pt 100, 300 K span, 4 ... 20 mA) |
| Electrical isolation | |
| Test voltage | 2.5 kV AC (50 Hz, 60 s) |
| Overvoltage category | II |
| Pollution degree | 2 |
| Electrical isolation Input/output/power supply IEC/EN 61010-1 | |
| Standards/regulations | IEC/EN 61010-1 |
| Rated insulation voltage | 300 Vrms |
| Insulation | Safe isolation |
| Electrical isolation Input/output IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Input/power supply IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Supply | |
| Nominal supply voltage | 24 V DC -20 % ... +25 % |
| Supply voltage range | 19.2 V DC ... 30 V DC |
| Power dissipation | ≤ 0.76 W |
| Power consumption | ≤ 1 W |
| Signal | |
| Number of inputs | 1 |
| Measurement | |
| Description of the input | intrinsically safe |
| Sensor types (RTD) that can be used | Pt, Ni, Cu sensors: 2, 3, 4-wire |
| Temperature measuring range | -200 °C ... 850 °C (Range depending on the sensor type) |
| Linear resistance measuring range | 0 Ω ... 50 kΩ |
| Potentiometer resistance range | 0 Ω ... 50 kΩ |
| Max. permissible overall conductor resistance | 50 Ω (Per cable) |
| Sensor input current | 10 µA ... 210 µA (Up to 2x 210 µA with 3-conductor technology) |
| Temperature measuring range | ≥ 50 K |
| Signal: Current | |
| Number of outputs | 1 |
| Configurable/programmable | Yes |
| Current output signal | 0 mA ... 20 mA |
| 4 mA ... 20 mA (SIL) | |
| Max. current output signal | ≥ 21 mA |
| Load/output load current output | ≤ 600 Ω |
| Output ripple (current) | < 15 µAPP |
| < 10 µArms | |
| Behavior in the event of a sensor error | As per NE 43 or can be freely defined |
| 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 | |
| Ex i circuits (EPL) | Ga |
| Da | |
| Ma | |
| Div. 1 | |
| Safety data: Terminals: 4.1, 4.2, 5.1, 5.2 | |
| Max. internal capacitance Ci | 44 nF |
| Max. output voltage Uo | 6 V |
| Max. output current Io | 16.6 mA (RTD in 4-conductor technology) |
| 13 mA (RTD in 3-conductor technology) | |
| 7.1 mA (RTD in 2-conductor technology) | |
| 16.6 mA (2x RTD in 2-conductor technology) | |
| 13 mA (Potentiometer) | |
| Max. output power Po | 25.2 mW (Linear) |
| Safety-related maximum voltage Um | 253 V AC |
| 125 V DC | |
| 30 V DC (Zone 2: 3.1, 3.2) | |
| IIA/I (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 850 mH / 1000 µF |
| IIB/IIIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 460 mH / 1000 µF |
| IIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 40 µF |
| IIB/IIA (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 950 nF, 50 mH / 950 nF, 5 mH / 950 nF, 1 mH / 950 nF |
| IIIC/I (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 950 nF, 50 mH / 950 nF, 5 mH / 950 nF, 1 mH / 950 nF |
| IIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 555 nF, 50 mH / 555 nF, 5 mH / 555 nF, 1 mH / 555 nF, 10 µH / 555 nF |
| Status display | Green LED (supply voltage) |
| Red LED, flashing 2.8 Hz (cable error, sensor error on input or output, ERR) | |
| Red LED, flashing 1.2 Hz (simulation mode, ERR) | |
| Red LED, permanently on (module 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) |
| Flammability rating according to UL 94 (Housing) | V0 (Housing) |
| Housing material | PA 6.6-FR |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 70 °C (Any mounting position) |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Permissible humidity (operation) | 5 % ... 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 ... 70 °C |
| Test voltage | 2.5 kV |
| Rated insulation voltage | 300 Vrms (IEC/EN 60079-11) |
| 375 VPP (IEC/EN 60079-11) | |
| Altitude range (≤ 3000 m) | |
| Height range | > 2000 m ... 3000 m |
| Ambient temperature (operation) | -40 °C ... 60 °C |
| Test voltage | 2.25 kV |
| Safety-related maximum voltage Um | 190 V AC |
| 110 V DC | |
| Rated insulation voltage | 190 Vrms (IEC/EN 60079-11) |
| Altitude range (≤ 4000 m) | |
| Height range | > 3000 m ... 4000 m |
| Ambient temperature (operation) | -40 °C ... 55 °C |
| Test voltage | 2 kV |
| Safety-related maximum voltage Um | 60 V AC/DC |
| Rated insulation voltage | 60 Vrms (IEC/EN 60079-11) |
| Altitude range (≤ 5000 m) | |
| Height range | > 4000 m ... 5000 m |
| Ambient temperature (operation) | -40 °C ... 49 °C |
| Test voltage | 1.75 kV |
| Safety-related maximum voltage Um | 60 V AC/DC |
| Rated insulation voltage | 60 Vrms (IEC/EN 60079-11) |
| CE | |
| Certificate | CE-compliant |
| Note | and EN 61326 |
| ATEX | |
| 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 ic [ia Ga] IIC T4 Gc | |
| Certificate | ICQC 24 ATEX 510 X |
| IECEx | |
| Identification | [Ex ia Ma] I |
| [Ex ia Ga] IIC | |
| [Ex ia Da] IIIC | |
| Ex ec ic [ia Ga] IIC T4 Gc | |
| Certificate | IECEx KLCS 24.0023X |
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | 2 |
| Electromagnetic compatibility | Conformance with EMC directive: IEC 61326-1 (industrial environment) |
| Electrical isolation | 3-way isolation |
| Mounting type | DIN rail mounting |
