Digital Indicators

K3HB-R/-P/-C

21

DeviceNet Communications

Communications protocol

Conforms to DeviceNet

Supported

communications

Remote I/O

communications

Master-Slave connection (polling, bit-strobe, COS, cyclic)

Conforms to DeviceNet communications standards.

I/O allocations

Allocate any I/O data using the Configurator.

Allocate any data, such as DeviceNet-specific parameters and variable area for Digital Indicators.

Input area: 2 blocks, 60 words max.

Output area: 1 block, 29 words max.

(The first word in the area is always allocated for the Output Execution Enabled Flags.)

Message

communications

Explicit message communications

CompoWay/F communications commands can be executed

(using explicit message communications)

Connection methods

Combination of multi-drop and T-branch connections (for trunk and drop lines)

Baud rate

DeviceNet: 500, 250, or 125 Kbps (automatic follow-up)

Communications media

Special 5-wire cable (2 signal lines, 2 power supply lines, 1 shield line)

Communications distance

The values in parentheses are for Thick Cable.

Communications power supply

24-VDC DeviceNet power supply

Allowable voltage fluctuation range

11 to 25-VDC DeviceNet power supply

Current consumption

50 mA max. (24 VDC)

Maximum number of nodes

64 (DeviceNet Configurator is counted as one node when connected.)

Maximum number of slaves

63

Error control checks

CRC errors

DeviceNet power supply

Supplied from DeviceNet communications connector

Baud rate

Network length

(max.)

Drop line length

(max.)

Total drop line length

(max.)

500 Kbps

100 m max.

(100 m max.)

6 m max.

39 m max.

250 Kbps

100 m max.

(250 m max.)

6 m max.

78 m max.

125 Kbps

100 m max.

(500 m max.)

6 m max.

156 m max.