Southern office: 67B Calmette, Nguyen Thai Binh Ward, District 1, HCMC
PLC Programmable Controller
HMI
Driver & servo motor
Inverter
Rotary EncoderThe KL1212 digital input terminal acquires the binary 24 V DC control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The Bus Terminal contains two channels whose signal states or errors are indicated by LEDs. The KL1212 generates a short-circuit proof 24 V DC supply voltage for sensors. A short circuit or a wire breakage in the sensor supply is detected, and the terminal status is relayed to the controller via the K-bus.
Special features:
- input specification type 1
- no bouncing due to mechanical switches thanks to 3 ms input filter
- short-circuit proof sensor supply
- possibility to diagnose open circuit and short circuit
Product information:
| Technical data | KL1212 |
|---|---|
| Connection technology | 3-wire |
| Specification | EN 61131-2, type 1 |
| Number of inputs | 2 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| “0” signal voltage | -3…+5 V |
| “1” signal voltage | 15…30 V |
| Input filter | typ. 3.0 ms |
| Input current | typ. 5 mA |
| Sensor supply max. | 0.5 A (short-circuit-proof) |
| Current consumption K-bus | typ. 8 mA |
| Electrical isolation | 500 V (K-bus/field potential) |
| Bit width in the process image | input/output: 4 inputs (2 error bits/2 signal bits); 2 outputs (2 sensor supply) |
| Input/output bit assignments | input: bit 3 bit 2 bit 1 bit 0 output: bit 1 bit 0 err. 2 err. 1 on 2 on 1 off 2 off 1 |
| Configuration | no address or configuration setting |
| Weight | approx. 55 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. rating/installation pos. | IP20/variable |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Approvals/markings | CE, UL, ATEX, IECEx, DNV GL |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
PLC Programmable Controller
HMI
Driver & servo motor
Inverter
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Instrumentation – temperature control meter
Rotary Encoder
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