723PLUS/Analog Load Sharing Manual 02879
ii Woodward
Contents
CHAPTER 7. TROUBLESHOOTING .............................................................114
General.............................................................................................................. 114
Troubleshooting Procedure............................................................................... 114
Control Test and Calibration.............................................................................. 114
Conclusion of Test and Calibration Procedures................................................ 117
CHAPTER 8. SERVICE OPTIONS................................................................118
Product Service Options.................................................................................... 118
Returning Equipment for Repair........................................................................ 119
Replacement Parts............................................................................................ 120
How to Contact Woodward................................................................................ 120
Engineering Services......................................................................................... 121
Technical Assistance......................................................................................... 122
APPENDIX A. SERIAL COMMUNICATION PORT WIRING ..............................123
Grounding and Shielding................................................................................... 125
APPENDIX B. LINKNET
®
I/O NETWORK.....................................................126
Introduction........................................................................................................ 126
Network Architecture ......................................................................................... 126
Hardware........................................................................................................... 126
I/O Module Specifications.................................................................................. 126
Individual I/O Module Specifications ................................................................. 128
LinkNet I/O Module Descriptions....................................................................... 128
Discrete Input Module........................................................................................ 130
4–20 mA Input Module ...................................................................................... 132
Thermocouple Input Module.............................................................................. 134
RTD Input Module ............................................................................................. 136
Relay Output Module......................................................................................... 138
4–20 mA Output Module.................................................................................... 140
Troubleshooting Flowchart................................................................................ 144
Wiring and Proper Cable ................................................................................... 144
Cable Length and Number of LinkNet I/O Modules .......................................... 145
APPENDIX C. MODBUS SLAVE ADDRESS INFORMATION ............................146
Part Numbers 8280-414/-415/-480/-481 ........................................................... 146
APPENDIX D. PROGRAMMING CHECKLIST.................................................151
APPENDIX E. MENU SUMMARY.................................................................164
Configure Menus ............................................................................................... 164
Service Menus................................................................................................... 165
723PLUS CONTROL SPECIFICATIONS......................................................169
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