48
6.5.2
Grounding
Observe the following:
• Provide independent grounding when possible. Ground the FG and LG terminals to the protective ground
conductor dedicated to the programmable controller.
• If independent grounding cannot be provided, employ (2) Shared grounding shown below.
• Use thick cables up to 2
. Bring the grounding point close to the programmable controller as much as
possible so that the ground cable can be shortened.
(3) Joint grounding Not allowed
Grounding
Programmable
controller
Programmable
controller
Programmable
controller
Another
equipment
Another
equipment
Another
equipment
Grounding
(1) Independent grounding Best
(2) Common grounding Good
Summary of Contents for MELSEC-L SSCNETIII/H
Page 1: ...MELSEC L SSCNET H Head Module User s Manual LJ72MS15 ...
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Page 21: ...19 CHAPTER 1 HEAD MODULE 1 Memo ...
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Page 125: ...123 APPENDICES A Appendix 7 Special Register SD List Memo ...
Page 137: ...135 APPENDICES A Appendix 9 General Safety Requirements Memo ...
Page 141: ...139 APPENDICES A Appendix 11 Processing Time Memo ...
Page 145: ...143 APPENDICES A Appendix 12 Checking Serial Number and Function Version Memo ...
Page 147: ...145 APPENDICES A Appendix 13 External Dimensions Memo ...
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