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Beckhoff EJ3318
The EJ3318 EtherCAT plug-in module allows the direct connection of eight thermocouples and is therefore particularly well suited to compact applications on the signal distribution board. The module’s…
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Description
The EJ3318 EtherCAT plug-in module allows the direct connection of eight thermocouples and is therefore particularly well suited to compact applications on the signal distribution board. The module’s circuit can operate thermocouple sensors using the
Specification
| Connection Method | field wiring: application-specific wiring level on the signal distribution board, EJ plug-in module: 2 x 20-pin socket strip |
|---|---|
| Number Of Inputs | 8 x TC, 2 x Pt1000 (compensation for the cold junction) |
| Measuring Range | in the range defined in each case for the sensor (default setting: type K; ‑200…+1370°C); mV measurement: ±30 mV…±75 mV |
| Power Supply | via the E-bus |
| Auxiliary Power Current | – |
| Technology | temperature measurement (TC) |
| Distributed Clocks | – |
| Input Filter Limit Frequency | typ. 1 kHz; depending on sensor length, conversion time, sensor type |
| Sensor Types | thermocouples type K, J, L, E, T, N, U, B, R, S, C (default setting type K), mV measurement |
| Wiring Fail Indication | yes |
| Conversion Time | approx. 5 s up to 40 ms, depending on configuration and filter setting, default: approx. 500 ms |
| Resolution | 0.1°C per digit |
| Measurement Error/Uncertainty | ±0.3% (relative to full scale value) |
| Electrical Isolation | 500 V (E-bus/field potential) |
| Current Consumption E Bus | 190 mA |
| Special Features | open-circuit recognition, error recognition of the external cold junction compensation (CJC) |
| Weight | approx. 30 g |
| Storage Temperature | -40…+85°C |
| Relative Humidity | 95%, no condensation |
| Emc Immunity/Emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Vibration/Shock Resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Protect. Rating/Installation Pos. | IP20/see documentation |
| Approvals/Markings | CE, UL |
| Design Form | EtherCAT I/O plug-in module |
| Material | polycarbonate |
| Installation | on signal distribution board |
| Mechanical Coding | EJ plug-in module: signal-specific coding pins on the housing, signal distribution board: holes in the printed circuit board |
| Position Of The Coding Pins | 2, 7 |
| Locking | latching lug in circuit board cut-out |
| Dimensions (W X H X D) | 12 mm x 66 mm x 55 mm |
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