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          Programmable Logic ControllerKV-7000 series

          KV-AD40G

          High-precision A/D Conversion Unit, 4 Analog Input Channels

          SPECIFICATIONS

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          Model

          KV-AD40G

          Type

          High-precision A/D conversion unit

          Analogue input point

          4 points (differential input)

          Analogue input range (resolution)

          Voltage

          -10 to 10 V (0.33 mV 1/60,000)
          0 to 10 V (0.33 mV 1/30,000)
          0 to 5 V (0.17 mV 1/30,000)
          1 to 5 V (0.17 mV 1/24,000)

          Input current

          0 to 20 mA (0.67 µA 1/30,000)
          4 to 20 mA (0.67 µA 1/24,000)

          Input resistance

          Voltage: 5 MΩ, Current: 250 Ω

          Conversion speed

          80 µs/2 ch, 160 µs/4 ch (the quickest 50 µs/2 ch, 100 µs/4 ch when data buffer function is used)

          Conversion precision

          25 °C

          Voltage: ±0.05 % of F.S., Current: ±0.05 % of F.S.

          0 to 50 °C

          Voltage: ±0.1 % of F.S., Current: ±0.1 % of F.S.

          Insulation mode

          Unit - Between CPUs: Photocoupler insulation,
          between CH_A (0 and 1) and CH_B (0 and 1): Photocoupler insulation*1

          Absolute max. input

          Voltage: ±15 V, Current: 30 mA

          External trigger input

          Number of input points: 1, Input signal: NPN open collector, no-voltage contact signal
          minimum ON voltage: 1 V and maximum OFF current : 0.1 mA

          Data buffering function

          Data buffering period: 50 µs to 3 s, buffering data quantity: maximum 10000 words/ch
          Synchronism: CH_A0 - CH_B0 and CH_A1 - CH_B1 have data synchronism

          Special functions

          Scaling, average processing (specification of the number of times, time specification, moving average, primary delay filter),
          data offset, zero shift, zero clip, peak/valley value locking, comparator, wire breaking detection, data buffering, external trigger

          Internal current consumption

          220 mA or less

          Weight

          Approx. 190 g

          *1 Not insulated between CH_A0 and CH_A1 or between CH_B0 and CH_B1

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