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Beckhoff ELM3348-0033
The 4- and 8-channel EtherCAT Terminals from the ELM334x economy series are designed for temperature measurement with thermocouples. All common thermocouple types are covered and, with a sampling rate…
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Description
The 4- and 8-channel EtherCAT Terminals from the ELM334x economy series are designed for temperature measurement with thermocouples. All common thermocouple types are covered and, with a sampling rate of 1 ksps per channel, fast processes are also easy
Specification
| Voltage Measurement | ±20/40/80/320 mV (2-wire connection) |
|---|---|
| Temperature Measurement (Thermocouple) | type A1, A2, A3, B, C, D, E, G, J, K, L, N, P, R, S, T, U and others; internal/external cold junction measurement (2-wire connection) |
| Number Of Channels | 8 |
| Technology | temperature or voltage measurement, configurable for each channel |
| Signal Type | differential |
| Connection Technology | 2-wire |
| Connection Type | mini thermocouple socket universal |
| Max. Sampling Rate | max. 1 ms/1 ksps (per channel, multiplex) |
| Oversampling Factor | n = 1…20 selectable |
| Internal Resistance | > 4 MΩ |
| Measurement Error/Uncertainty | depending on TC type, see documentation, e.g. type K: ±0.5°C at 23°C and ±0.9°C at 0…55°C with internal cold spot |
| Temperature Coefficient | depending on TC type, see documentation, e.g. type K: 15 mK/K |
| Calibration Certificate (Analog) | externally calibrated |
| Connection Diagnostics | broken wire |
| Functional Diagnostics | yes |
| Distributed Clocks | yes, accuracy 1 µs |
| Resolution | 24 bit (incl. sign), adjustable: 0.1°C |
| Electrical Isolation | Channel/Channel | no |
| Electrical Isolation | Channel/Bus | 707 V DC (type test) |
| Electrical Isolation | Channel/Sgnd | 707 V DC (type test) |
| Current Consumption E Bus | typ. 260 mA |
| Current Consumption Power Contacts | – |
| Weight | approx. 350 g |
| Operating Temperature | 0…55°C |
| Storage Temperature | -25…+85°C |
| Thermal Dissipation | typ. 2 W |
| Special Features | common mode measurement, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold |
| Vibration/Shock Resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Emc Immunity/Emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. Rating/Installation Pos. | IP20/variable |
| Approvals/Markings | CE, UL |
| Design Form | metal housing with signal LEDs |
| Material | zinc die-cast |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side By Side Mounting By Means Of | double slot and key connection |
| Marking | – |
| Wiring | thermocouple socket, mini |
| Connection Cross Section | – |
| Connection Cross Section Awg | – |
| Stripping Length | – |
| Dimensions (W X H X D) | 30 mm x 100 mm x 95 mm |
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