AC Tech Lenze RS-485, Reference Manual

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ENGLISH
Contents
1 Safety information ................................................................2
2 Introduction ..........................................................................4
2.1 Overview ...................................................................................................4
2.2 SMVector Modbus RTU Implementation Specifications ...........................4
3 Installation ............................................................................5
3.1 Installing the Module into the Terminal Cover ..........................................5
3.2 RS-485 / Modbus RTU terminal block ......................................................5
3.3 Installing the Terminal Cover ....................................................................6
4 Extended Parameters for RS-485/Modbus RTU ................7
4.1 Parameter Menu .......................................................................................7
5 Modbus Protocol Details .....................................................9
5.1 Data Transmission ....................................................................................9
5.2 Register Numbering ..................................................................................9
5.3 Modbus Function Codes Supported ........................................................9
6 Modbus Message Details ...................................................10
6.1 Register Reading ....................................................................................11
6.2 Register Writing ......................................................................................12
6.3 No Response Conditions ........................................................................13
6.4 Exception Responses .............................................................................13
7 Commissioning ..................................................................14
7.1 Drive Monitoring ......................................................................................14
7.2 Drive Programming and Control .............................................................14
7.3 Unlocking & Locking of Drive Controls and Parameters ........................14
7.4 Network Watchdog Timer .......................................................................15
7.5 Watchdog Timer Controls .......................................................................15
8 Typical Network Applications ...........................................16
8.1 Controlling the Drive (e.g. starting the drive) ..........................................16
8.2 Changing Drive Parameters ...................................................................16
8.3 Controlling the Drive Frequency, PID or Torque Setpoint ......................16
9 Drive Registers ...................................................................17
9.1 Data Internal vs. Display Representation ...............................................17
9.2 Configuration and Control Registers ......................................................17
10 Programming Parameters .................................................25
10.1 Negative Number Transmission .............................................................25
10.2 Terminal and Protection Status (P530) ...................................................25
10.3 Keypad Status (P531) .............................................................................26
11 Troubleshooting and Fault Elimination ............................27
11.1 Faults ......................................................................................................27
11.2 Troubleshooting ......................................................................................27