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Beckhoff
KL3222
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Beckhoff KL3222
KL3222 | 2-channel input terminal PT100 (RTD) for 4-wire connection, high-precision
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Description
The KL3222 analog input terminal allows resistance sensors to be connected directly. Linearisation over the full temperature range is realised with the aid of a microprocessor. The temperature range can be selected freely. The Bus Terminal's standard settings are: resolution 0.01 °C in the temperature range of PT100 sensors in 4-wire connection. The run LEDs give an indication of the data exchange with the Bus Coupler. The error LEDs indicate sensor faults (e.g. a broken wire).
Technical parameters
| Number of inputs: | 2 |
| Power supply: | via the K-bus |
| Technology: | 4-wire |
| Sensor types: | PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000 resistance measurement (e.g. potentiometer, 10 Ω…1.2/5 kΩ), KTY |
| Connection method: | 4-wire |
| Measuring range: | -200…+850 °C (PT sensors); -60…+250 °C (Ni sensors); -200…+320 °C (high-precision) |
| Conversion time: | typ. 50 ms |
| Measuring current: | typ. 0.5 mA |
| Resolution: | 0.01 °C per digit |
| Measuring error: | 0.1 °C at 40 °C ambient temperature, 4-wire connection, PT100 sensors and 50 Hz filter |
| Electrical isolation: | 500 V (K-bus/signal voltage) |
| Current consumption power contacts: | – |
| Current consumption K-bus: | typ. 60 mA |
| Bit width in the process image: | input: 2 x 16 bit data (2 x 8 bit control/status optional) |
| Configuration: | no address setting, configuration via Bus Coupler or controller |
| Special features: | open-circuit recognition, high-precision |
| Weight: | approx. 70 g |
| Operating/storage temperature: | 0…+55 °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 |
| Pluggable wiring: | for all KSxxxx Bus Terminals |
| Approvals: | CE, UL, Ex |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |