What is mean by modbus master , modbus write and modbus read ?
Hiiii
i am new for plc ld programming. to control vfd with plc using rs485 communication someone told to you must use modbus master and modbus read write. i don't know how to take the blocks and how to use them and configure them. anyone can guide me . Thanks in advance.
i am new for plc ld programming. to control vfd with plc using rs485 communication someone told to you must use modbus master and modbus read write. i don't know how to take the blocks and how to use them and configure them. anyone can guide me . Thanks in advance.
Asked 8 months ago
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by kstoilov
which controller? which protocol?
Sure, if the PLC is a master, it should read/write the data from/to the slave (drive)
by VAP_Arun Rank: 570 on 6/15/2020 1:07:11 AM | Like (0) | Report
controller ac500 pm554 eco plc
vfd acs560
protocol modbus RTU
sir can you tell me how to configure that blocks in programming
by kstoilov
Hi,
There are many examples here in AKS for that. Try with search and also have a look in application section
by kstoilov
Look in help for COM_MOD_MAST
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