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1. DIP switch
TH series has 4-bit DIP switch at the back side; they can set the function of COM1 port.
Interior check mode ( not recommended to users)
System menu: Adjust clock and touch panel,
Import program of U disk
If the screen cannot show normally after downloading the program, please use
force-download to update the system.
Steps:
(1) Cut off the power of TH, turn ON DIP switch 2;
(2) Power on TH, connect the download cable to PC to download the program;
(3) Turn OFF DIP switch 2 after finishing the download, repower on the TH.
2. Communication interface
The COM1 and COM2 port of TH series has below function:
Communication function: Connect to PLC, printer, inverter, meter, etc, used as
communication port.
The pins definition of COM1: