Flowserve L75 Series Electric Actuator - Manual (Page 3)


L75 Series Electric Actuator — Modbus RTU FCD LMAIM7502-00 – 07/05
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Contents
Introduction 4
Principles of Operation 4
General Environmental Information 4
Mechanical Installation 5
Electrical Connections 5
Adjustment of Switch Cams 7
Board Indicators 7
Termination Resistors 7
Configuration 8
Modbus Address Selection 8
Baud Rate Selection 8
Two-Wire or Four-Wire Bus Selection 8
Modbus Functions 8
Modbus RTU Message Format 9
Reception of Invalid Commands 13
Reception of Commands with Illegal Fields 14
Modbus Exception Responses 14
Troubleshooting 15