PLC sends data via COM 0.
Parameter Settings
Transmit the characters “ABCD” and the value in block VB0
and “EOF” (End Data) and a Carriage Return with Line Feed
via COM 0.
The receiver will receive one frame of data, which is as
follows:
41 42 43 31 32 33 45 4f 46 0D 0A
The above data is the ASCII code representation of the
string being sent.
Example 2 – Transmit and Receive Data
Request the status of a model printer. We need to transmit
the HEX characters 10 04 02 to the printer, so the
Parameter 1 settings are as follows:
After receiving the request from the CPU, the printer will
return one byte of data, which is to be stored in VB100.
Parameter 2 settings required are as follows:
General Arithmetic
Description of function
To Next Page
Loading...
