59
Grounding
Ground the PLC for noisy environments
•
Connected to the metal part of backplane,
the frame ground terminal is connected to a solid
earth ground.
•
Use ground wires with a minimum of 2mm
2
and the triple grounding connection which has
a resistance of less than 100
Ω
.
•
The point of grounding should be as close to the PLC as possible and the ground wire
should be as short as possible.
•
If two devices share a single ground point, it may produce an adverse effect. Always use an
exclusive ground for each device.
Other devices
including
Other devices
including
Summary of Contents for Samsung NX-CPU700p
Page 1: ...NX700 Series Controller NX CPU700p User Manual ...
Page 78: ...78 Power check flow chart ...
Page 79: ...79 Run check flow chart ...
Page 80: ...80 Error check flow chart ...
Page 82: ...82 External environment check flow chart ...
Page 86: ...86 ...
Page 98: ...98 ...
Page 102: ...102 Decimal Bin Hex BCD Gray Code Cross reference Table ...
Page 104: ...104 ...
Page 121: ......