Winco DSE7300 Series User Manual
Page 41
DSE Model 7000 Series Control & Instrumentation System Operators Manual
Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 5 15/10/2009 ADM
41
4.3.7 EARTH SYSTEMS
4.3.7.1 NEGATIVE EARTH
The typical wiring diagrams located within this document are designed and show connections for a negative earth
system (the battery negative is connected to Earth)
4.3.7.2 POSITIVE EARTH
When using a DSE module with a Positive Earth System (the battery positive is connected to Earth), the following
points need to be followed :
•
Follow the typical wiring diagram as normal for all sections EXCEPT the earthing points
•
All points shown as Earth on the typical wiring diagram should connect to BATTERY NEGATIVE (not earth).
4.3.7.3 FLOATING EARTH
Where neither the battery positive nor battery negative terminals are connected to earth the following points need to
be followed
•
Follow the typical wiring diagram as normal for all sections EXCEPT the earthing points
•
All points shown as Earth on the typical wiring diagram should connect to BATTERY NEGATIVE (not earth).