What your 1771-sdn module does, What your 1771-sdn module does -2 – Rockwell SoniCrafter DEVICENET 1771-SDN User Manual

Page 18

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Publication 1771-6.5.132 - June 2000

1-2 Before You Begin

What Your 1771-SDN
Module Does

In a typical configuration, the 1771-SDN module acts as an interface
between DeviceNet devices and the PLC-5 processor.

The 1771-SDN module communicates with DeviceNet devices over
the network to:

read inputs from a device

write outputs to a device

download configuration data

monitor a device’s operational status

The 1771-SDN module communicates with the processor in the form
of Block Transfers (BT) and/or Discrete I/O (DIO). Information
exchanged includes:

device I/O data

status information

configuration data

1770-KFD PC
Communication
Module

PC with RSNetWorx
for DeviceNet software

Series 9000
Photoeye

RediSTATION

1305 Drive

FLEX I/O Rack

DeviceNet
Devices

DeviceNet Network

PLC-5
Processor

1771-SDN
Scanner module

1771 I/O
Chassis

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