Prosoft-technology MVI46-MCM Manual de usuario descargar pdf (Pagina 6)

Contents MVI46-MCM ♦ SLC Platform

User Manual Modbus Communication Module

Page 6 of 108 ProSoft Technology, Inc.

March 29, 2011

4.3.1 MVI46-MCM Status Data Definition ........................................................................ 53

4.3.2 Command Error Codes ........................................................................................... 55

5 Reference 57

5.1 Product Specifications ............................................................................................ 57

5.1.1 General Specifications ............................................................................................ 57

5.1.2 Hardware Specifications ......................................................................................... 58

5.1.3 General Specifications - Modbus Master/Slave ...................................................... 58

5.1.4 Functional Specifications ........................................................................................ 59

5.2 Functional Overview ............................................................................................... 60

5.2.1 About the MODBUS Protocol ................................................................................. 60

5.2.2 General Concepts ................................................................................................... 60

5.2.3 Normal Data Transfer ............................................................................................. 64

5.2.4 Special Function Blocks .......................................................................................... 64

5.2.5 Data Flow Between MVI46-MCM Module and SLC Processor .............................. 73

5.3 Cable Connections ................................................................................................. 76

5.3.1 RS-232 Configuration/Debug Port .......................................................................... 76

5.3.2 RS-232 Application Port(s) .................................................................................... 76

5.3.3 RS-422 .................................................................................................................... 79

5.3.4 RS-485 Application Port(s) ..................................................................................... 79

5.3.5 DB9 to RJ45 Adaptor (Cable 14) ............................................................................ 80

5.4 MVI46-MCM Database Definition ........................................................................... 81

5.5 MVI46-MCM Remote Configuration........................................................................ 82

5.6 Modbus Protocol Specification ............................................................................... 83

5.6.1 Commands Supported by the Module .................................................................... 83

5.6.2 Read Coil Status (Function Code 01) ..................................................................... 84

5.6.3 Read Input Status (Function Code 02) ................................................................... 85

5.6.4 Read Holding Registers (Function Code 03) .......................................................... 86

5.6.5 Read Input Registers (Function Code 04) .............................................................. 87

5.6.6 Force Single Coil (Function Code 05) .................................................................... 88

5.6.7 Preset Single Register (Function Code 06) ............................................................ 89

5.6.8 Diagnostics (Function Code 08) ............................................................................. 90

5.6.9 Force Multiple Coils (Function Code 15) ................................................................ 92

5.6.10 Preset Multiple Registers (Function Code 16) ........................................................ 93

5.6.11 Modbus Exception Responses ............................................................................... 94

6 Support, Service & Warranty 97

Contacting Technical Support .......................................................................................................... 97

6.1 Return Material Authorization (RMA) Policies and Conditions ............................... 99

6.1.1 Returning Any Product ............................................................................................ 99

6.1.2 Returning Units Under Warranty........................................................................... 100

6.1.3 Returning Units Out of Warranty........................................................................... 100

6.2 LIMITED WARRANTY .......................................................................................... 101

6.2.1 What Is Covered By This Warranty ...................................................................... 101

6.2.2 What Is Not Covered By This Warranty ................................................................ 102

6.2.3 Disclaimer Regarding High Risk Activities ............................................................ 102

6.2.4 Intellectual Property Indemnity ............................................................................. 103

6.2.5 Disclaimer of all Other Warranties ........................................................................ 103

6.2.6 Limitation of Remedies ** ..................................................................................... 104

6.2.7 Time Limit for Bringing Suit ................................................................................... 104

6.2.8 No Other Warranties ............................................................................................. 104

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Prosoft-technology MVI46-MCM Manual de usuario Pagina 6

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