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          7. A/D Conversion Unit 4-point type

          Programmable ControllerKV-8000 series

          A/D Conversion Unit 4-point type

          KV-NC4AD

          SPECIFICATIONS

          Select Language

          Model

          KV-NC4AD

          Conversion

          A/D conversion

          Points

          4 (single end)

          Range/resolution

          Voltage

          -10 V to +10 V

          1/8000 2.5mV

          0 to 10 V

          1/4000 2.5mV

          0 to 5 V

          1/4000 1.25mV

          1 to 5 V

          1/3200 1.25mV

          Current

          0 to 20 mA

          1/4000 5µA

          4 to 20 mA

          1/3200 5µA

          Conversion speed

          80 µs/channel*1

          Conversion precision

          Voltage

          Without temperature
          compensation

          ±0.3% of F.S. (at 25°C ±5°C)
          ±0.5% of F.S. (at 0 to 55°C)

          With temperature
          compensation

          ±0.3% of F.S. (at 0 to 55°C)

          Current

          Without temperature
          compensation

          ±0.4% of F.S. (at 25°C ±5°C)
          ±0.6% of F.S. (at 0 to 55°C)

          With temperature
          compensation

          ±0.4% of F.S. (at 0 to 55°C)

          Input resistance

          Voltage

          5MΩ

          Current

          250Ω

          Absolute maximum input

          Voltage

          ±15V

          Current

          ±30mA

          Isolation method

          Between analogue input

          Isolated (photocoupler, transformer)

          Between analogue input channels

          Non-isolated

          Minimum load resistance

          Voltage

          Maximum load resistance

          Current

          Special functions

          Input range switching,
          temperature fluctuation compensation enabling/disabling,
          channel skip, scaling, special data offset,
          peak-/bottom-hold, zero clip, zero shift, comparator,
          averaging (time-specified, count-specified, moving average),
          disconnection detection

          *1 When the temperature fluctuation compensation is used, the temperature fluctuation compensation time of 80 µs will be added regardless of the number of channels being used.

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