Programming
CM PtP RS232 HF (6ES7541‑1AD00‑0AB0) communication module
20
Manual, 01/2013, A5E03790665-01
Instruction
Meaning
Modbus_Master
The instruction Modbus_Master allows you to communicate as Modbus
master by means of the PtP port.
Modbus_Slave
The instruction Modbus_Slave allows you to communicate as Modbus slave
by means of the PtP port.
The instructions are part of STEP 7 (TIA Portal). The instructions are available in the "Instructions"
task card under Communication > Communication processor.
Additional information
Additional information on programming the communication modules is available in the
function manual CM PtP - Configurations for point-to-point connections
