B&B Electronics TPC-1261H user manual COM4 Setting

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.

1	5
6	9

COM4 Mode	S1 and S2 setting
RS232 Mode

RS485 Mode

RS422 Master Mode

RS422 Slave Mode

45 AppendixA