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MODBUS-RTU & MODBUS-TCP Gateway’s parameters

MODBUS RTU

Modbus RTU gateway inside the Home automation Configuration software EVE Manager

COMPONENT’S PROPERTIES

Select device(dropdown): ilevia X1 port A indicates the left port of the X1 Server, port B indicates the right port of the X1 Server;

Modbus ports mounted on the Home automatio Server X1

Connection timeout(text field): Connection timeout means that the server is taking too long to reply to a data request made from another device. Timeouts are not a reply message: they show up when there isn’t a reply and a server request is not fulfilled in a predetermined length of time.

Read interval(text field):  the interval time between one reading to another in milliseconds;

Receive timeout(text field): if the data is not received for X milliseconds the server will  generate an error;

Connection CRC error timeout(text field):  in case of communication errors before trying again, the server waits for the time set in ms;

Wait interval if frame failed(text field):  waiting time in ms in case of a failed frame;

Wait interval if frame success(text field): waiting time in ms in case of a successful frame;

Bytes order(text field): defines the order of transmission of the individual byte of an information unit via a serial line;

Ascii transform (checkbox): this checkbox allows the user to program devices using MODBUS Ascii method;

Remove echo from serial(checkbox): if the hardware used already remove echo from serial automatically, leave this field unchecked;

 

MODBUS TCP

How to set the protocol Modbus TCP inside Home autoamtion software EVE Manager

COMPONENT’S PROPERTIES

Name (text field): enter the title for your KNX gateway;

Protocol (drop down): choose the protocol to match with the gateway;

Enable (check box): it allows to enable /disable the selected gateway;

Address:(text field) IP address of the Modbus Master;

Port:(text field) Port number of the Modbus Master;

Connection timeout(text field): Connection timeout means that the server is taking too long to reply to a data request made from another device. Timeouts are not a reply message: they show up when there isn’t a reply and a server request is not fulfilled in a predetermined length of time.

Read interval(text field):  the interval time between one reading to another in milliseconds;

Receive timeout(text field): if the data is not received for X milliseconds the server will  generate an error;

Connection CRC error timeout(text field):  in case of communication errors before trying again, the server waits for the time set in ms;

Wait interval if frame failed(text field):  waiting time in ms in case of a failed frame;

Wait interval if frame success(text field): waiting time in ms in case of a successful frame;

Bytes order(text field): defines the order of transmission of the individual bits of an information unit via a serial line;

In the images below you can see how many possibilities of connections you can have using an EVE X1 Server, Raspberry Pi or a Virtual Machine as a ModBus Master with EVE Manager:

X1 SERVER MOBUS CONFIGURATION

How does the Home automation server EVE X1 works inside Modbus

RASPBERRY PI SERVER INSIDE MODBUS CONFIGURATION CONFIGURATION 

How does the raspberry pi works inside Modbus

VIRTUAL MACHINE SERVER MODBUS CONFIGURATION

How does the virtual machine works inside Modbus

This is a visual representation on how we connect a 12 V powered device to the EVE X1 Server:

How does a modbus device is connected with the Home automation server EVE X1