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8-1. ROUTINE MAINTENANCE ....................................................................................................................................... 203
8-2. REGULAR MAINTENANCE ...................................................................................................................................... 203
8-3. WARRANTY OF FREQUENCY CONVERTER ...............................................................................................................204
APPENDIX ..................................................................................................................................................................... 205
APPENDIX A. EXTENSION CARD ................................................................................................................................... 205
Appendix A-1. Extension card functions ..................................................................................................................205
Appendix A-2. Extension card installation .............................................................................................................. 206
Appendix A-3. IO extension card .............................................................................................................................206
Appendix A-4. Communication extension card ........................................................................................................209
Appendix A-5. Encoder extension card ....................................................................................................................210
APPENDIX B. COMMUNICATION PROTOCOL ................................................................................................... 218
Appendix B-1. Communication protocol overview .................................................................................................. 218
Appendix B-2. Communication protocol explanation ..............................................................................................218
Appendix B-3. Modbus-RTU protocol ..................................................................................................................... 218