User manual
IEC61131 User and Reference Manual 
April 22, 2008     
376 
  writing to the I/O database from a C or ladder logic application program; or 
  writing to the I/O database remotely from a Modbus compatible device. 
To configure a serial port through the I/O database, add the module, CNFG Serial port 
settings, to the Register Assignment Table. 










