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Appendix E
RS485/MODBUS Protocol
E.1 Introduction .................................................................... E-1
E.2 Installation ..................................................................... E-1
E.3 Operation ...................................................................... E-1
E.4 Performance Specications ........................................................ E-1
E.5 Hardware Specications .......................................................... E-2
E.6 Communication Specications ..................................................... E-2
E.7 Communications Protocol (MODBUS-RTU) ........................................... E-2
E.7.1 Register Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3
E.7.2 Drive Error Codes ......................................................... E-6
E.7.3 Data Flow Examples ....................................................... E-7