Xinje TG Series, Руководство по оборудованию

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15
1. DIP switch
TH series has 4-bit DIP switch at the back side; they can set the function of COM1 port.
Switch DIP1 DIP2 DIP3 DIP4 Function
State
OFF OFF OFF ON Interior check mode ( not recommended to users)
OFF ON OFF OFF Force-download mode
OFF OFF ON OFF
System menu
：
Adjust clock and touch panel,
Import program of U disk
ON OFF OFF OFF Undefined
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.
1 2 3 4
ON
OFF
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:
Pin Name Description
1
NC Unused terminal
2
RXD RS232 receive
3
TXD RS232 send
4
A RS485 + signal
5
GND Signal ground
6
NC Unused terminal
7
B RS485
— signal
8
NC Unused signal
9
NC Unused signal