User manual

45 Appendix A

A.2 COM4 Setting

The serial port COM4 on the TPC-1570H is adjustable. It can be set to

RS-232, RS-422 or RS-485. This port is designed with auto data flow

control capability. In other word, the TPC-1570H can automatically

detect the data flow direction at this port when the two wired RS-485

communication is activated.

COM4 Mode S1 and S2 setting

RS232 Mode

RS485 Mode

RS422 Master Mode

RS422 Slave Mode