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Autonics KN-2250W 1-Channel Digital Temperature Indicator KN-2250W

Autonics KN-2250W 1-Channel Digital Temperature Indicator KN-2250W

Model number
KN-2250W

Autonics KN-2250W 1-Channel digital temperature indicator (KN-2000W Series): 7 Segment (Red, Green, Yellow), LED type display. Order code note: RS485+4-20mA.

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Key features

  • High accuracy with 16 bit ADC (± 0.2 % F.S.)
  • Max. display range: -19999 to 19999
  • Multi-input; Thermometer 12 types; RTD 5 types; Analog: Current 2 types / voltage 6 types
  • Auto display color change function; Selectable indicator colors when error occurs or alarm operates
  • Various output options; Alarm output: 2 points / 4 points; 4 - 20 mA transmission output (isolated), RS485 Communication output
  • Various functions; High / Low peak input monitoring; Alarm output (upper / lower, sensor break); Transmission output/display scale; Digital input (DI), etc.
  • Built-in power supply for sensor / transmitter (24 VDC)

Specifications

Model
SeriesKN-2000W Series
Order code descriptionRS485+4-20mA
Specifications
Permissible voltage range90 to 110 % of rated voltage
Sampling period• Thermocouple, RTD: 250 ms • Analog: 100 ms
Input specificationRefer to Autonics website
Digital input Contact• ON: ≤ 2 kΩ • OFF: ≥ 90 kΩ
Digital input Non contact• Residual voltage: ≤ 1.0 V • Leakage current: ≤ 0.03 mA
Digital input Outflow current≈ 0.2 mA
Option output Alarm• 2 point relay: 250 VAC 3 A 1c • 4 point relay: 250 VAC 1 A 1a
Option output PV TransmissionISOLATED DC 4-20 mA (Load resistance: ≤ 600 Ω)
Option output RS485 comm.Modbus RTU
Display type7 Segment (Red, Green, Yellow), LED type
Alarm output Hysteresis1 to 999 digit
Relay life cycle Mechanical• 2 point: ≥ 10,000,000 operations • 4 point: ≥ 20,000,000 operations
Relay life cycle Electrical• 2 point: ≥ 100,000 operations(Load resistance: 250 VAC 3 A) • 4 point: ≥ 500,000 operations (Load resistance: 250 VAC 1 A)
Dielectric strengthBetween the charging part and the case: 2,000 VAC 50/60 Hz for 1 min
Vibration0.75 mm amplitude at frequency of 5 to 55 Hz in each X, Y, Z direction for 2 hours
Insulation resistance≥ 100 MΩ (500 VDC megger)
Noise immunity±2 kV square shaped noise (pulse width 1 ㎲) by noise simulator
Memory retention≈ 10 years (non-volatile semiconductor memory type)
Ambient temperature-10 to 50 ℃, storage: -20 to 60 ℃ (no freezing or condensation)
Ambient humidity35 to 85%RH, storage: 35 to 85%RH (no freezing or condensation)
Unit weight (packaged)≈ 200 g (≈ 332 g)
Comm. protocolModbus 1.1 RTU

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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