TPD-280-H/280U-H Quick Start, version 1.0 Last Revised: April 2017 - 2 -
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3
Pin Assignment
On the back of the
TPD-280-H/280U-H
:
The pin assignments:
No Pin
Description
0
F.G.
Frame Ground. F.G. is connected to the inside EMI or ESD suppression
circuits. Make sure that F.G. is connected to the Earth
1
VDC
DC input Voltage (range: +12 V ~ +48 V)
2
GND
Connected to the power supply’s ground pin
3
Data+ The positive data line of the RS-485 network
4
Data- The negative data line of the RS-485 network
The definition of the rotary switch
(TPD-280-H)
:
No Mode
Description
0 Run Only
Run the program.
1
Update
Only
Update the program via RS-485.
The definition of the rotary switch
(TPD-280U-H)
:
No Mode
Description
0 Run Only
Run the program.
9
USB Force
Update
Update a new application to the TouchPAD device
through USB.