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Overview, Installation, Connecting a pc or laptop computer – Franklin Fueling Systems TS-5000 evo MODBUS Installation & Setup User Manual

Page 4: Modbus rtu, Modbus tcp

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This manual describes the installation and setup of the Modbus interface on the TS-550evo & TS-5000evo (evo). Included 

are protocol descriptions, register mapping, and data descriptions for the data supported. This document is intended for 

users who will be configuring the Modbus feature, and some understanding of Modbus protocol is required.

Overview

Modbus is a serial communication protocol that allows for simple system integration across various devices all on the 

same network. This will allow the evo to be connected to a host system that supports Modbus TCP or RTU. 
Modbus TCP is available via the evo’s Ethernet ports and Modbus RTU is available via Comm Port 1. 

Installation

Modbus communication is a standard feature on the evo with software versions 2.3.0 or higher. It is available over the 

standard Ethernet and RS-232 Comm Port 1. No additional hardware installation required. To use Modbus communication 

you must connect to either the RS-232 or Ethernet port. For details on establishing these connections please refer to the 

following manuals (000-2170 Installation Manual & 000-2173 Programming Manual).

Modbus RTU

To setup the Modbus RTU format you will need to edit the Comm 1 serial port setting in the evo system parameters. First, 

select the Mode Modbus and then define the additional parameter as required for your configuration.

Group Name

Parameter

Name

Description

Default

Values

Range of Values

Serial Ports

COMM 1

Mode  

Network Connection (PPP) 

Network Connection (PPP) 

Veeder-Root

Franklin Fueling System (XML)

Modbus

Baud Rate

57600

1200 - 115200

Data Bits

8

7 or 8

Parity

None

odd

even

none

Stop Bits

1

1 or 2

Modbus Address

1

1 to 247

Modbus TCP

Modbus TCP is enabled by default on Ethernet Port 502. Establish an Ethernet connection between the Master device 

and the evo over port 502 to access the Modbus registers. Refer to the TS-550evo Programming Guide (000-2173) for 

details regarding Ethernet connections to the systems.

Connecting a PC or Laptop Computer

To access the console using the Web Browser interface, connect a PC to the console through either the Ethernet port or 

the COMM 1 serial port. If the console is connected to a local network, you can perform this setup from any PC on that 

network by using a web browser, such as Microsoft’s Internet Explorer or Mozilla’s FireFox, or Safari for a Mac.

Note:  The PC or laptop will recognize this serial connection as a network connection and will not allow the use of a Local 

Area Connection simultaneously. While it is not necessary to disconnect the Local Area Connection to connect 

using the Serial port, it will be necessary to disconnect the Serial Connection through the computers operating 

system in order to use the Local Area Connection again.

The following instructions are written specifically for Microsoft’s Windows 7 operating system. For assistance with other 

operating systems, please contact Franklin Fueling Systems Technical Services.
Connecting a PC to the TS-550 evo Ethernet Port

1.  Using an Ethernet Crossover, 10 Base-T cable, plug the RJ-45 connector on one end of the cable into the 

Ethernet port of the console. 

2.  Plug the RJ-45 connector on the opposite end of the cable to the Network Interface Card of the computer.
3.  Power up and log onto your PC.

Note: You may need to re-configure your TCP / IP settings to allow the computer to communicate with the console.
Note:  Some modern laptop computers have automatically switching Network Interface Cards and as such, will require the use 

of a standard cat 6 cable instead of a crossover.

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