Rockwell Automation Publication 5069-UM003B-EN-P - January 2020
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Compact 5000 I/O Serial Module Features
Chapter 3
Figure 19 - Radio Communication
Figure 20 - Read or Write Requests via DF1 Radio Modem
Modem
Message (via MSG instruction) sent to a
specific station (station 1)
Modem
Station1
Station2
Station 1 sends reply message.
Data Table
Reply packet received
return data
• Ladder logic triggers MSG
• DF1 driver formats command packet
Reply timeout received
Return error indication
• Send command packet
• Start reply timer
• Wait for reply (or timeout)