Precautions for PC connection to RCON gateway unit grounded at positive terminal of 24 VDC power supply
Intro-13
ME0384-4A
Precautions for PC connection to RCON gateway unit
grounded at positive terminal of 24 VDC power supply
If the RCON gateway unit is grounded at the positive terminal of the 24 VDC power supply, a
PC cannot be connected to the USB connector (mini-B) of the gateway unit.
If connected directly, short-circuiting of the power will occur as shown in the diagram below,
causing malfunction of the PC.
USB A type
5 V
-DATA
+DATA
GND
FG
Communication cable for PC software
USB cable (A, mini-B)
Short circuit
USB mini-B type
5 V
-DATA
+DATA
GND
+24 V
0 V