Advantech 5000 Series - Manual (Page 288)

Appendix F
Besides, following tips just for your reference.
• The shield of cable can’t be used for signal ground.
The shield is just designed for adhering noise, so the environment
noise will couple and interfere your system when you use the shield as
signal ground.
• The density of shield is the higher the better, especially for
commu- nication network.
• Use double isolated cable for communication network / AI / AO.
• Both sides of shields should be connected to their frame while
inside the device. (for EMI consideration)
• Don’t strip off too long of plastic cover for solderinF.
2.2 System Shielding
Figure F-11 :System Shielding
ADAM-5000 F-11