EJ3318 | EtherCAT plug-in module, 8-channel analog input, temperature, thermocouple, 16 bit

Technical data	EJ3318
Technology	temperature measurement (RTD)
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
Measuring error	< ±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
Auxiliary power current	–
Distributed clocks	–
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. class/installation pos.	IP 20/see documentation
Approvals/markings	CE, UL

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