ProSoft Technology 5301-MBP-ASCII User Manual
Page 5

MBP ♦ ProLinx Gateway
Contents
Modbus Plus
Protocol Manual
ProSoft Technology, Inc.
Page 5 of 52
May 12, 2011
Contents
Your Feedback Please ........................................................................................................................ 2
How to Contact Us .............................................................................................................................. 2
ProSoft Technology
®
Product Documentation .................................................................................... 2
Important Installation Instructions ....................................................................................................... 3
ProLinx
®
Products Warnings ............................................................................................................... 3
ProLinx Gateways with Ethernet Ports ............................................................................................... 3
To upgrade a previously purchased Series C model ..................................................................... 3
To order a ProLinx Plus gateway with the -WEB option ................................................................ 3
1
Functional Overview
7
1.1
Modbus Plus Port ...................................................................................................... 8
1.2
Module Internal Database ......................................................................................... 9
1.2.1
Modbus Plus Port Access to Database ..................................................................... 9
1.2.2
Modbus Plus Master Access to Database .............................................................. 10
1.2.3
Modbus Plus Slave Access to Database ................................................................ 11
1.2.4
Modbus Plus Global In Access to Database ........................................................... 12
1.2.5
Modbus Plus Global Out Access to Database ........................................................ 13
1.3
Single Port With Dual Media-Redundant Connector Operation .............................. 14
1.4
Command Routing .................................................................................................. 15
2
Port Physical and Protocol Specifications
17
2.1
Functional Specifications - Modbus Plus ................................................................ 18
2.2
General Specifications - ProLinx ............................................................................. 19
2.3
Hardware Specifications.......................................................................................... 20
3
MBP Protocol Configuration
21
3.1
[Modbus Plus Configuration] ................................................................................... 22
3.1.1
Local Node Address ................................................................................................ 22
3.1.2
Global Output File Length ....................................................................................... 22
3.1.3
Global Input Update Timeout .................................................................................. 23
3.1.4
Master Command Timeout Preset .......................................................................... 23
3.2
[Modbus Plus Device Definition] ............................................................................. 24
3.2.1
Route Values ........................................................................................................... 25
3.2.2
Global In Length ...................................................................................................... 25
3.2.3
Global In Address .................................................................................................... 25
3.3
[Modbus Plus Commands] ...................................................................................... 26
3.3.1
Enable ..................................................................................................................... 26
3.3.2
Internal Address ...................................................................................................... 26
3.3.3
Poll Interval .............................................................................................................. 27
3.3.4
Count ....................................................................................................................... 27
3.3.5
Swap Code .............................................................................................................. 27
3.3.6
Device Index ............................................................................................................ 28
3.3.7
Function Code ......................................................................................................... 28
3.3.8
Device Address ....................................................................................................... 28