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Description and application


KST CAN convertors temperature - CAN protocole is intended for converting the signal of Pt 1000/3850 resistance-type temperature sensing elements to the digital signal CAN / CANopen - CiA DS 301. These converters can be utilised in any control system compatible with CAN protocole digital output. Standard measuring ranges of the converter is -50 to 250 °C. Operating temperature range is -40 °C to 80 °C. These limits must not be exceeded even for a short time.

The convertors are designed to be operated in a chemically non-aggressive environment.

KST CAN convertor - the plastic case is made of LEXAN material meets requirements of EN 45545-2, and is identical to, for example, the connection head of KS 120 sensors. It is provided with a wall bracket or with a clip for attaching to a DIN rail. The plastic box meets the IP 65 ingress protection requirements according to the EN 60 529 standard.


The type tests are carried out by a notified body according to EN 50155 standard, as amended, Railway applications – Electronic equipment used on rolling stock, Art. 12.2.9, 12.2.11 - Electromagnetic Compatibility in accordance with EN 50121-3-2, as amended

- Insulation test in accordance with EN 50155, as amended

- Shock and vibration tests in accordance with EN 61373, as amended

The material of the plastic box and PCB meets a set of requirements for the R 24 materials according to the Table 5 for the fire hazard level HL1-HL2-HL3 of the EN 45545-2 standard, as amended. Can be supplied with materials complying with fire safety standard NFPA 130, as amended.

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The final metrological inspection – comparison with standards or working instruments – is carried out for all the products. Continuity of the standards and working measuring instruments is ensured within the meaning of the Section 5 of Act no.505/1990 on metrology. The manufacturer offers a possibility to supply the sensors calibrated in SENSIT s.r.o.’s laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an Accredited laboratory.

  • Specifications
  • Dimensional draft
Type of convertor KST CAN
Input signal Pt 1000/3850
Output signal CAN / CANopen - CiA DS 301
Measuring range -50 to 250 °C
Power supply 10 to 35 V DC (unstabilized) 14 až 24 V AC
Consumption / Supply current maximal: 500 mW, typical: 300 mW
Rated supply voltage (Un) 24 VDC
Accuracy of the electronics *) ± 0,2 °C
Material of the box LEXAN (fulfield standard EN 45545-2)
Stupeň krytí IP 65 in accordance with EN 60 529
Working conditions ambient temperature: -40 to 80 °C
relative air humidity: max. 100 %
atmospheric pressure: 70 to 107 kPa
Střední technický život≈ MTTF** 1,95 x 106 hod– na základě teoretického výpočtu

*) Measurement error of KSD 114A temperature sensor depends on the flow rate and supply voltage (method error) and can be within -1.0 to 1.5 °C.
**) Under the environmental and operational conditions specified in appoved testing methodology

Shock and vibration tests category 1, class B in accordance with EN 61373
Elektromagnetic compatibility in accordance with EN 50121-3-2
Insulation test 1.5 kVDC for time 1 minute in accordance with EN 50155
Fire protection resistance in accordance with EN 45545 (possible acc. to NFPA 130)

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

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