Article image EL3201-0010

Beckhoff EL3201-0010

EL3201-0010 | 1-channel input terminals PT100 (RTD) for 4-wire connection, high-precision

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Description

The analog input terminal EL3201-0010 enables direct connection of resistance sensors. A microprocessor handles linearisation across the whole temperature range, which is freely selectable. The EtherCAT Terminal’s standard settings are: resolution 0.01 °C in the temperature range of PT100 sensors in 4-wire connection. The EtherCAT Terminal indicates its signal state by means of light emitting diodes. Sensor malfunctions such as broken wires are indicated by error LEDs. The EL3201-0010 has a precision of 0.1 °C at 40 °C ambient temperature. The terminal can also be operated with 2- or 3-wire connection and with other sensors than PT100. The maximum accuracy is achieved in 4-wire operation with PT100 sensors.

Technical parameters

Number of inputs: 1
Power supply: via the E-bus
Distributed clocks:
Input filter limit frequency: typ. 1 kHz
Sensor types: PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000 resistance measurement (e.g. potentiometer, 10 Ω…1/4 kΩ), KTY sensors (types see documentation)
Connection method: 4-wire
Measuring range: -200…+850 °C (PT sensors); -60…+250 °C (Ni sensors); -200…+320 °C (high-precision)
Resolution: 0.01 °C per digit
Conversion time: approx. 24 ms default setting, 4…500 ms configurable
Temperature range: -200…+320 °C (PT sensors)
Measuring current: < 0.5 mA (load-dependent)
Measuring error: < ±0.1 °C at 40 °C ambient temperature, 4-wire connection, PT100 sensors (measuring range: -200…+320 °C) and 50 Hz filter
Electrical isolation: 500 V (E-bus/signal voltage)
Current consumption power contacts:
Current consumption E-bus: typ. 190 mA
Bit width in the process image: 1 x 32 bit RTD input
Special features: integrated digital filter, limit value monitoring, variable connection technology
Weight: approx. 60 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/variable
Approvals/markings: CE, UL, ATEX
Ex-Marking: II 3 G Ex nA IIC T4 Gc

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