User`s manual
Ethernet Masters with Multiple Serial Slaves....................................................................... 8-2
Serial Masters with Multiple Ethernet Slaves....................................................................... 8-2
Modbus TCP Masters with ASCII and RTU Slaves ............................................................. 8-3
Serial Master with Serial Slaves over Internet...................................................................... 8-3
Chapter 9 Configuring the Modbus Gateway ...........................................................9-1
Installing the Software.......................................................................................................... 9-2
Starting MGate Manager ...................................................................................................... 9-5
Change Language Setting............................................................................................. 9-6
Connecting to the Unit.......................................................................................................... 9-7
Broadcast Search .......................................................................................................... 9-7
Specify by IP Address .................................................................................................. 9-8
Modifying the Configuration................................................................................................ 9-9
Configure Serial Port for RTU or ASCII, Master or Slave......................................... 9-10
Configure IP Address and Other Network Settings.................................................... 9-11
Configure Serial Communication Parameters ............................................................ 9-13
Set up Slave ID Mapping (Smart Routing)................................................................. 9-14
Customize Modbus Settings ....................................................................................... 9-16
Set Up Priority Control............................................................................................... 9-18
Verifying Location of Unit ................................................................................................. 9-19
Monitoring Modbus Activity.............................................................................................. 9-20
Open Traffic Monitor Window................................................................................... 9-21
Filter Traffic Information ........................................................................................... 9-23
Save Log to File.......................................................................................................... 9-24
Upgrading Firmware .......................................................................................................... 9-25
Chapter 10 Pin Assignments .....................................................................................10-1
DB9 (Male)......................................................................................................................... 10-2
Terminal Block (RS-422, RS-485) ..................................................................................... 10-3
Power Input, Relay Output................................................................................................. 10-3
Chapter 11 Case Studies............................................................................................11-1
Introduction .........................................................................................................................11-2
Replace Serial Masters with Ethernet Master(s), Slave IDs are Configurable ....................11-2
Replace Serial Masters with Ethernet Master(s), Slave IDs are Fixed ................................11-3
Keep Serial Master and Add Ethernet Master(s) .................................................................11-4
Integrate Modbus RTU, ASCII, and TCP at the Same Time................................................11-5
Appendix A Modbus Overview..................................................................................... A-1
Introduction ......................................................................................................................... A-1
Devices are Either Masters or Slaves .................................................................................. A-1
Slaves are Identified by ID .................................................................................................. A-1
Communication is by Request and Response...................................................................... A-2
Requests Need a Time Limit ............................................................................................... A-3
Modbus Ethernet vs. Modbus Serial.................................................................................... A-3
Integrate Modbus Serial and Ethernet with Gateways......................................................... A-4
Appendix B Declaration of Conformity ....................................................................... B-1