TPD/VPD Series HMI Device User Manual
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Page: 46
2.2.7
VPD-142/143 Series Models
Models supported include VPD-142, VPD-142N, VPD-143, VPD-143N, VPD-142-H, VPD-142N-H,
VPD-143-H and VPD-143N-H.
Pin
Name
Function Description
D2+
2-wire RS-485
For COM2 Serial Port
D2-
GND
3-wire RS-232
RxD2
TxD2
D1+
2-wire RS-485
For COM1 Serial Port
D1-
GND
3-wire RS-232
RxD1
TxD1
GND
Ground Connection
VDC
DC Power Input
The use as the power supply applies to
VPD-142(N)/143(N)/142(N)-H/143(N)-H Series models. The valid
power voltage range is from
+12 to +48 V
DC.
F.G.
Frame Ground
Frame Ground is connected to the inside EMI or ESD suppression
circuits. Make sure that F.G. is connected to the Earth.
