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The cause of malfunctions related wiring/Remedy
Grounding of the GOT may cause electric potential difference and noise interference, which may result in GOT malfunctions.
These problems may be resolved by taking the following measures.
Wiring path of the GOT's ground cable and power line
Bundling the GOT's ground cable and power line together can cause interference noise, which may result in malfunctions.
Keeping the GOT's ground cable and power line away from each other will help minimize noise interference.
Good: Wiring the ground cable away
from the power cable
Connecting the ground cable from the panel that houses control equipment to the
panel to which the GOT is grounded
When running a single ground cable from the panel that houses such piece of control equipment as a sequencer to the panel
to which the GOT is grounded, the ground cable may have to be directly connected to the terminal on the GOT.
Connection cable
Ground cable from
the panel that houses
control equipment
If electric potential difference between the ground points created by it causes malfunctions, lowering the voltage as shown in
Remedy 1 below may solve the problem.
7 WIRING
56
7.1 Power Supply Wiring
FG
Power supply
for power equipment
FG
FG
Power supply
for power equipment
Bad: Bundling the ground cable and
the power cable
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