Communication processor and Modbus TCP
13.3 Point-to-point (PtP) communication
S7-1200 Programmable controller
1138 System Manual, V4.2, 09/2016, A5E02486680-AK
● Receive message start configuration: Configure the CM 1241 to start receiving a
message when the communication line is inactive for at least 50 bit times (about 5
milliseconds at 9600 baud = 50 * 1/9600):