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7. WIRING
7.1 Power Supply Wiring
7.1 Power Supply Wiring
7.1.1 Wiring example
Connect the power supply to the power terminals on the back panel of the GOT.
Use 0.75mm
2
or thicker cables to avoid voltage drop and tighten the terminal screw with the specified torque securely.
7.1.2 Grounding the GOT
About grounding
Make sure to carry out the following for grounding.
• Carry out the independent grounding if possible.
Apply the class D grounding. (Keep the grounding resistance within 100 or less.)
• If the independent grounding is impossible, carry out the shared grounding as shown in fig.2) below.
• Use the cable of 2mm
2
or more for grounding.
Set the grounding point closer to the GOT to make the grounding cable short as possible.
PC and external
device connection
cables
Grounding
(100 or less)
24VDC
power supply
-
+
GOT
(1) Independent ground
...... Best condition
(2) Shared grounding
...... Good condition
(3) Common grounding
...... Not allowed
Grounding
(100 or less)
Grounding
(100 or less)
GOT GOT
Other
device
Other
device
Other
device