2. Installation
74 RC700 / RC90 Option Fieldbus I/O Rev.14
DeviceNet Communication Specifications
Supported Connection I/O messaging connection (Polling), Explicit message
connection
DeviceNet communication protocol
125 k / 250 k / 500 k (bps)
Transfer Distance
Baud Rates
Max.
Network
Drop Length
Total Drop Line
Length
Cable 5-wire cable dedicated to DeviceNet
(2 wires for signal, 2 wires for power supply, 1 shield wire)
Communications
24 VDC (supplied from a connector)
Communication
Power Supply Current
Maximum 30 mA
* When Thin cable is used for trunk line, the maximum network length is 100 m.
LED Description
LED state represents the status of the fieldbus board.
OFF
Communications power supply OFF
Device power supply OFF
GRN
ON
Link OK
Device operating
RED