DeviceNet

DeviceNet is a standardized network that enables intelligent control of field devices and improves system productivity.

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DeviceNet Network Specifications

Communications Specifications

Item	Specification
Communications protocol	DeviceNet
Connection method (See note1.)	Multidrop and T-branch connections can be combined (for trunk lines and branch lines).
Baud rate	125, 250, or 500 kbps
Communications Media	Special cable: 5-conductor cable (2 signal lines, 2 power lines and 1 shield) Special Flat cable: 4-conductor cable (2 signal lines, 2 power lines)
Communication distance	Using a Special 5-wire Cable
	Baud rate	Max. network length	Branch line length	Total branch line length
	500 kbps	100 m max.	6 m max.	39 m max.
	250 kbps	250 m max. (See note2.)	6 m max.	78 m max.
	125 kbps	500 m max. (See note2.)	6 m max.	156 m max.
	Using a Special 4-wire Cable
	Baud rate	Max. network length	Branch line length	Total branch line length
	500 kbps	75 m max.	6 m max.	35 m max.
	250 kbps	150 m max.	6 m max.	48 m max.
	125 kbps	265 m max.	6 m max.	135 m max.
Communications power supply	24 VDC (external)
Max. number of connectable nodes	64 Units (including Master Units, Slave Units and Configurator)

Note:

1.Terminating resistance required on both ends of the trunk line.

2.These values apply to using Thick Cable on the trunk line. If Thin Cable is used, the value will be 100 m max.

Caution: In the interenst of product improvement, specifications are subject to change without notice.

Automation Systems