| Computer link | Data transfer via dedicated protocol between PLC and computer (specified as the master station). |
| Non-protocol communication |
Serial communication via non-protocol between PLC and RS-232C device. |
| Programming communication |
Optional port available for suitable programming tool when 232ADP-MB is connected to PLC |
| Remote maintenance | Program transfer or monitoring enabled via modem and phone line connected to serial port of PLC. |
| MODBUS communication |
Data transfer between a master and a slave. |