Xinje TP Series - Page 33

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1. DIP switch
TG 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 USB flash drive
ON
OFF
OFF
OFF
Undefined
If the screen cannot show normally after downloading the program, please use
force-download.
Step:
(1) Cut off the power of TG, turn ON DIP switch 2;
(2) Power on TG, connect the download cable to PC to download the program;
(3) Turn OFF DIP switch 2 after finishing the download, repower on the TG.
1 2 3 4
ON
OFF
2. Communication interface
The Pins definition of download port:
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 terminal
9
NC
Unused terminal
Note: TG765-XT and TG765-XT-C don’t have this port.
The Pins definition of PLC port:
Pin
Name
Description
1
TD+
RS422 send +
2
RXD
RS232 receive
3
TXD
RS232 send
4
A
RS485 + signal
5
GND
Signal ground