F.1 Power Supplies For relevant wiring issues, please refer to the
following scheme :.................................................................... F-2
F.2 Grounding Installation ............................................................. F-2
F.3 External DI, DO, AI, AO Wiring Reference ............................... F-3
F.4 Requirements for RS-485 signal wires ...................................... F-3
F.5 Grounding reference (Ground bar for the factory environment
should have a standard resistance below 5 W)........................ F-5
F.6 Some Suggestions on Wiring Layout....................................... F-6
Chapter G Grounding Reference ............................... G-1
G.1 Grounding ................................................................................ G-3
1.1 The ‘Earth’ for reference ............................................................ G-3
1.2 The ‘Frame Ground’ and ‘Grounding Bar’ ................................. G-4
1.3 Normal Mode and Common Mode ............................................ G-5
1.4 Wire impedance .......................................................................... G-7
1.5 Single Point Grounding ............................................................... G-8
G.2 Shielding .................................................................................. G-9
2.1 Cable Shield ................................................................................ G-9
2.2 System Shielding ....................................................................... G-11
G.3 Noise Reduction Techniques ................................................. G-14
G.4 Check Point List ..................................................................... G-15
To Next Page
Loading...