Saia-Burgess Controls AG
Hardware manual for PCD3 series │ Document 26-789 ENG19│ 2018-06-29
Appendix
A
A-2
Symbols
A.1 Symbols for notes etc.
A.1.1 Note symbols
This symbol refers the reader to further information in this or another manual or in
technical information brochures.
There is generally no direct link to these documents.
This symbol appears next to instructions that require strict compliance.
This symbol warns the reader of the risk of electric discharge upon contact.
Recommendation: You should at least touch the negative terminal (PGU port
casing) on the system before coming into contact with the electronic components.
It is preferable to be permanently connected to an earthing lug on the wrist with the
negative terminal.
The explanations next to this symbol are valid for the Saia PCD
®
Classic series only.
The explanations next to this symbol are valid for the Saia PCD
®
xx7 series only.
A.1.2 Mass designation, symbols and meaning
Description Symbol Meaning
GND
Ground
(ground)
DGND D
digital galvanic isolated ground
(digital galvanic isolated ground)
AGND A
analog galvanic isolated ground
(analog galvanic isolated ground)
SGND S
signal ground
(signal mass)
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