EL3218 | EtherCAT Terminal, 8-channel analog input, temperature, RTD (Pt100), 16 bit, 3-wire connection

Technical data	EL3218
Number of inputs	8
Power supply	via the E-bus
Technology	2-/3-wire
Signal type	differential
Distributed clocks	–
Input filter limit frequency	typ. 1 kHz
Sensor types	Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer, 10 ?…1/4 k?), KTY sensors (types see documentation)
Connection method	2- or 3-wire (default: 3-wire)
Conversion time	approx. 170 ms default setting
Measuring current	< 0.5 mA (load-dependent)
Measuring range	-200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors)
Temperature range	-200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors)
Resolution	0.1 °C or 0.01 °C per digit
Measuring error	< ±0.5 °C for Pt sensors, 8 x 3-wire connection
Electrical isolation	500 V (E-bus/signal voltage)
Current consumption power contacts	–
Current consumption E-bus	typ. 120 mA
Special features	integrated digital filter, limit value monitoring, variable connection technology
Weight	approx. 60 g
Operating/storage temperature	-25…+60 °C/-25…+85 °C
Relative humidity	95 %, no condensation
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. class/installation pos.	IP 20/variable
Approvals/markings	CE

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