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Beckhoff
EL3208
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Beckhoff EL3208
EL3208 | 8-channel input terminal PT100 (RTD)
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Description
The EL3208 analog input terminal allows eight resistance sensors to be connected directly. The EtherCAT Terminal circuit can operate sensors using the 2-wire technique in a compact 12 mm housing. A microprocessor handles linearisation across the whole temperature range, which is freely selectable. The EtherCAT Terminal’s standard settings are: resolution 0.1 °C. Sensor malfunctions such as broken wires are indicated by error LEDs.
Technical parameters
| Number of inputs: | 8 |
| Power supply: | via the E-bus |
| Technology: | 2-wire |
| 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: | 2-wire |
| Conversion time: | approx. 170 ms default setting, 3…1600 ms configurable |
| 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 per digit |
| Measuring error: | < ±0.5 °C for PT sensors |
| Electrical isolation: | 500 V (E-bus/signal voltage) |
| Current consumption power contacts: | – |
| Current consumption E-bus: | typ. 140 mA |
| Special features: | integrated digital filter, limit value monitoring |
| Weight: | approx. 60 g |
| Operating/storage temperature: | -25…+60 °C/-40…+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, UL |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |