Proface PS4800 - 19 Panel PC" - Manual (Page 91)

PS-4700/4800 Series (Atom N270 / Core 2 Duo P8400 Pre-installed Model) User Manual
91
Shared Ground Allowed
If a dedicated ground is not possible, use a shared ground, as shown below:
Shared Ground not Allowed
Do not connect the Industrial Personal Computer to ground through other devices
using shared ground terminals:
Shared Ground - Avoid Ground Loop
When connecting an external device to a Industrial Personal Computer with the
shield ground (SG), ensure that a ground loop is not created. The Industrial Personal
Computer’s ground connection screw and SG are connected internally.
Grounding Procedure
The Industrial Personal Computer functional ground has 2 connections:
z Supply voltage
z Ground connection screw
Industrial Personal
Computer
Industrial Personal
Computer
Industrial Personal
Computer