Publication 1747-UM655B-EN-P - June 2007
14 Before You Begin
What Your 1747-SDN
Module Does
In a typical configuration, the 1747-SDN module acts as an interface
between DeviceNet devices and the SLC 500 processor.
Typical DeviceNet Network
The 1747-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 1747-SDN module communicates with the processor in the form
of M1/M0 File Transfers and/or Discrete I/O. Information exchanged
includes the following:
• Device I/O data
• Status information
• Configuration data
A processor to I/O DeviceNet configuration is shown in the following
figure. See the referenced chapters for more information.
SLC 500 Modular Chassis
Computer with RSNetWorx
for DeviceNet Software
1770-KFD PC
Communication Module
1747-SDN Interface
Module
SLC 500
Processor
Series 9000
Photoeye
RediSTATION
Operator
Interface
1305 Drive
FLEX I/O
Rack
DeviceNet
Devices
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