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Communication should now be established
PING the drive at the IP address above to verify. Make sure your laptop IP address is on the same subnet as the drive.
Now, let's simulate a ModbusTCP master using the ModbusPoll Software. Some familiarity with this software is assumed.
PLC OUTPUT DATA
Use Modbus Function Code 03 "Read Holding Registers (4x)" for both output and input data.
PLC Output data starts at register address 40001.
PLC Input data starts at register address 40051.
Check the boxes for "Address in Cell" and "PLC Addresses (Base 1)".
Then click "Connection" from the top menu, and select "Connect".
The window below will appear.
3AXD50000011888
PLC INPUT DATA
ModbusTCP Setup E-3
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