The following two communication methods are available, depending on the equipment you connect to the display unit. Usable addresses differ depending on these differences in communication methods.
Communication with Equipment via a Supported PLC Protocol
2.4.1 Minimizing the Load for Device/PLC Communication (Direct Access)
Communication with PC or Microcomputer Board That Does Not Support a Protocol
2.4.2 Communicating with Unsupported Device/PLC (Memory Link)
Using these two communication methods, you can communicate with multiple devices/PLCs.