Model
KV-DN20
Type
DeviceNetTM unit
Communication protocol
Compliant with DeviceNetTM
Transmission specifications
Transmission rate
500 kbps, 250 kbps, 125 kbps
Transmission media
5 dedicated cables (2 for signal system, 2 for power supply, 1 for shield line)
Connection topology
Multidrop method
Max. cable length
Thick cable: 500 m 1640.4′ (Transmission speed: 125 kbps), 250 m 820.2′ (Transmission speed: 250 kbps), 100 m 328.1′ (Transmission speed: 500 kbps)
Thin cable: 100 m 328.1′ (All transmission speeds)
Maximum number of connected nodes
64 (including master, slave, configurator)
Master mode
Connected pieces per network
Max. 64
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
