Yaskawa 260IF DeviceNet System - Manual (Page 52)

5.2 Message Send Function (MSG-SND)
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5.2 Message Send Function (MSG-SND)
The MSG-SND function is used to send and receive DeviceNet explicit messages. When the
MSG-SND function is executed once, it will both send the request message and receive the
response message.
5.2.1 Before using 260IF Module Message Communications
Comply with the following conditions before using 260IF Module message communcica-
tions.
1. The 260IF Module must be set as a Master.
2. One of the following settings is required for the DeviceNet Slaves when allocating
260IF Module I/O.
• The input or output size must be set for I/O communications.
• The EM Check Box must be ON.
3. The MSG-SND function must be set and an application program that will create the
request message is required.