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          Programmable Logic ControllerKV-7000 series

          KV-DN20

          DeviceNet™ Unit

          SPECIFICATIONS

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          Model

          KV-DN20

          Type

          DeviceNetTM unit

          Communication protocol

          Compliant with DeviceNetTM

          Transmission specification

          Transmission rate

          500 kbps, 250 kbps, 125 kbps

          Transmission media

          5 dedicated cables (2 for signal system, 2 for power, 1 for shield line)

          Maximum cable length

          Thick main cable 500 m (Transmission speed 125 kbps), 250 m (Transmission speed 250 kbps), 100 m (Transmission speed 500 kbps)
          Thin main cable 100 m (All transmission speeds)

          Maximum number of nodes

          64 (including master, slave, configurator)

          Master mode

          Connected pieces per network

          Max. 64

          Transmission specification

          Connection topology

          Multidrop method

          Master mode

          Type of communication

          I/O communication (Poll/Bit-Strobe/COS/Cyclic), Explicit message communication

          Type and size of assigned devices

          Relay or data memory (indicated per block)
          Max. size (per block) [For relaying: Input 64 ch, Output 64 ch, For data memory: Input 200 words, Output 200 words] × 2 blocks

          Assignment method of device

          Auto configuration (Fixed or assigned with front end) and manual assignment

          Slave connection pieces per unit

          Max. 63

          Maximum number of I/O per slave

          Input: 2048 points (128 words), Output: 2048 points (128 words)

          Data length of message communication

          Sending: 106 bytes, receiving 110 bytes

          Slave mode

          Connected pieces per network

          Max. 64

          Type of communication

          I/O communication (Poll), Explicit message communication

          Type and size of assigned devices

          Relaying or data memory
          Max. size [For relay: Input 64 ch/Output 64 ch, For data memory: Input 128 words/Output 128 words

          Internal current consumption

          Internal circuit: 24 VDC 45 mA or less (supplied by CPU unit)
          Communication circuit: 24 VDC 25 mA or less (supplied by communication connector)

          Weight

          Approx. 150 g

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