ProSoft Technology 3170-MBS - Manual (Page 5)

3170-MBS ♦ Flex Platform Contents
Modbus Slave Interface Module User Manual
ProSoft Technology, Inc. Page 5 of 55
October 27, 2010
Contents
Your Feedback Please ........................................................................................................................ 2
How to Contact Us .............................................................................................................................. 2
ProSoft Technology ® Product Documentation .................................................................................... 2
Important Installation Instructions ....................................................................................................... 3
MVI (Multi Vendor Interface) Modules ................................................................................................ 3
Warnings ............................................................................................................................................. 3
Battery Life Advisory ........................................................................................................................... 3
Markings .............................................................................................................................................. 4
1 Product Specifications 7
1.1 General Specifications .............................................................................................. 8
1.2 Modbus Specifications .............................................................................................. 9
2 Functional Overview 11
2.1 Modbus Addressing Concepts ................................................................................ 11
2.2 The Data Space in the module ................................................................................ 12
3 Module Configuration and Installation 13
3.1 Mounting on a DIN-rail before installing the terminal base units............................. 14
3.2 Mounting (or Replacing) the module on an existing system ................................... 15
3.3 Wiring ...................................................................................................................... 16
3.3.1 RS-485 Tip .............................................................................................................. 16
3.4 Setting the switches ................................................................................................ 17
4 Module Addressing 19
4.1 Reading Discrete Inputs .......................................................................................... 20
4.2 Writing Discrete Outputs ......................................................................................... 21
5 Status Information 23
5.1 Adapter Status Word ............................................................................................... 24
5.2 Module Status Words .............................................................................................. 25
5.3 Module Information .................................................................................................. 26
5.4 Modbus Function Counters ..................................................................................... 27
5.5 Modbus Status ........................................................................................................ 28
5.5.1 Error Codes ............................................................................................................. 28
6 Diagnostics and Troubleshooting 29
6.1 LED Indicators ......................................................................................................... 30
6.2 Troubleshooting: General ........................................................................................ 31