The EP3204-0002 EtherCAT Box with analog inputs allows resistance sensors to be connected directly. The module’s circuitry can operate the sensors using 2-, 3- or 4-wire connection techniques. Linearization over the full temperature range is realized with the aid of a microprocessor. The temperature range can be selected freely. The module can also be used for simple resistance measurement with the output in ohms. The module’s standard settings are: resolution 0.1°C in the temperature range of Pt100 sensors in 2-wire connection. Sensor malfunctions such as broken wires are indicated by error LEDs. The module is quite versatile, but the default values are selected in such a way that in most cases it is not necessary to perform configuration. The input filter and associated conversion times can be set within a wide range; several data output formats may be chosen. If required, the inputs can be scaled differently. Automatic limit monitoring is also available. Parameterization is carried out via EtherCAT.
Product status:
regular delivery
Product information
Technical data | EP3204-0002 |
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Protocol | EtherCAT |
Bus interface | 2 x M8 socket, 4-pin, a-coded, shielded |
Number of inputs | 4 |
Connection method | M12 socket for 2-, 3- and 4-wire connections, presetting: 2-wire |
Conversion time | 800 ms up to 2 ms, see documentation, default: approx. 85 ms |
Resolution | 0.1°C per digit |
Sensor types | Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer, 10 Ω…1.2/4 kΩ) |
Signal type | Pt100 |
Measuring range | -200…+850°C (Pt sensors); -60…+250°C (Ni sensors) |
Measurement error/uncertainty | < ±0.5°C (Pt sensors in 4-wire connection) |
Nominal voltage | 24 V DC (-15%/+20%) |
Distributed clocks | – |
Measuring current | typ. 0.5 mA |
Input filter | 5 variations, configurable |
Sensor supply | – |
Current consumption from US | 120 mA |
Power supply connection | feed: 1 x M8 male socket, 4-pin, a-coded; downstream connection: 1 x M8 female socket, 4-pin, a-coded |
Electrical isolation | 500 V |
Special features | open-circuit recognition |
Weight | approx. 165 g |
Operating/storage temperature | -25…+60°C/-40…+85°C |
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. rating/installation pos. | IP65/66/67 (conforms to EN 60529)/variable |
Approvals/markings | CE, UL, ATEX |
Ex marking | II 3 G Ex nA IIC T4 Gc |
Housing data | 8 x M8, 4 x M12 |
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Dimensions (W x H x D) | 30 mm x 126 mm x 26.5 mm |
Material | PA6 (polyamide) |
Installation | 2 fixing holes 3.5 mm diameter for M3 |
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