User Manual

3-2
3
Communicating with the GT-70A series
- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (GT-70A) -
3-1 Overview of DeviceNet Communication
The DL-DN1 operates as a slave unit of a DeviceNet system, with support for I/O
communication (polling) and explicit messaging. This section outlines the type of data
that the DL-DN1 can communicate using DeviceNet and how it is communicated.
The master unit of the DeviceNet system and the DL-DN1 are linked as shown below.
Data Communicated Using DeviceNet
IN area
OUT area
Output
Judgment value
Error information
Request to change setting value
Changed setting value
External Input
DeviceNet
master unit
DL-DN1
Sensor amplifier
Output
Judgment value
・・・・・・
・・・・・・
・・・・・・
・・・・・・
・・・・・・
Error information
Setting value
Exteral input
Output
Judgment value
・・・・・・
・・・・・・
・・・・・・
・・・・・・
・・・・・・
Error information
Setting value
External Input
I/O
communication
I/O
communication
Explicit messaging
Output
Judgment value
・・・・・・
・・・・・・
・・・・・・
・・・・・・
・・・・・・
Error information
Setting value
Exteral input
IN area
OUT area
Read/write parameters