Industrial Personal Computer Connections
90
Grounding
Overview
The grounding resistance between the Industrial Personal Computer ground and the
ground must be 100
or less. When using a long grounding wire, check the
resistance and, if required, replace a thin wire with a thicker wire and place it in a
duct. In addition, refer to the table below for maximum lengths of various wire
thicknesses.
Ground Wire Dimensions
Precaution
Dedicated Ground
Connect the Industrial Personal Computer ground to a dedicated ground:
Wire Cross-section
Maximum Line Length
2.5 mm
2
(AWG 13)
30 m (98 ft)
60 m (196 ft) round trip.
WARNING
UNINTENDED EQUIPMENT OPERATION
Use only the authorized grounding configurations shown below.
Confirm that the grounding resistance is 100
or less.
Test the quality of your ground connection before applying power to the device.
Excess noise on the ground line can disrupt operations of the Industrial
Personal Computer.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
Industrial Personal
Computer
Summary of Contents for PS-4700 Series
Page 1: ...PS 4700 4800 Series User Manual Atom N270 Core 2 Duo P8400 Pre installed Model...
Page 14: ...General Overview 14...
Page 62: ...Characteristics 62...
Page 86: ...Implementation 86...
Page 120: ...Configuration of the BIOS 120...
Page 138: ...Installation 138...
Page 160: ...Appendices 160...
Page 164: ...After sales service 164...