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EJ3318 EtherCAT plug-in module
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 2-wire technique.
Technology: temperature measurement (TC)
Connection method: 2-wire
Sensor types: thermocouples type K, J, L, E, T, N, U, B, R, S, C (default setting type K), mV measurement
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
Resolution: 0.1 °C per digit
Measurement error/ uncertainty: < ±0.3 % (relative to full scale value)
Input filter limit frequency: typ. 1 kHz; depending on sensor length, conversion time, sensor type
Conversion time: approx. 5 s up to 40 ms, depending on configuration and filter setting, default: approx. 500 ms
Power supply: via the E-bus
Wiring fail indication: yes
Current consumption E-bus: 190 mA
Electrical isolation: 500 V (E-bus/field potential)
Special features: open-circuit recognition, error recognition of the external cold junction compensation (CJC)
Weight: approx. 30 g
Operating/storage temperature: -25…+60 °C/-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
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