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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