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Modbus RTU

Description#

The equipment type Modbus RTU is a way of communicating with Modbus devices using RTU. The Modbus RTU can be set up to both write and query a device with custom commands set up specifically for a device.

USB

If you want help to get started with Modbus RTU check out our getting started guide on Modbus RTU below

Getting started with Modbus RTU

Attributes#

AttributeValue
NameModbus (RTU)
Manufacturer
Model
Serial Number
Internal Number
COM PortCOM1
Client Address1
ParityN
Baud Rate19200
Stop Bits1
Byte OrderBig Endian
Word OrderBig Endian
Commands

Name#

Name specifies the name of the block.

Manufacturer#

Manufacturer is an optional specification you can write.

Model#

Model is an optional specification you can write.

Serial Number#

Serial Number is an optional specification you can write.

Internal Number#

Internal Number is an optional specification you can write.

COM Port#

COM Port is the communication port that the Modbus device is connected to your computer on. The default is COM1, to see what your port the device is connected on, go to device manager and find it.

Client Address#

Client Address is the Modbus device address which you can normally find in the manual of the device. Default is 1.

Parity#

Parity is the error detection bit and can be set to either None (default), Even or Odd The manual of the device specifies the correct parity.

Baud Rate#

Baud Rate is the rate at which information is transferred. It is default 19200 but can be set to several different speeds. The manual of the device specifies the correct baud rate.

Stop Bits#

Stop Bits is an indication of the end of a data transmission. It is default 1 and can be set to either 1 or 2. The manual of the device specifies the correct number of stop bits.

Byte Order#

Byte Order is the order or sequence of bytes. It is default Big Endian but can also be set to Little Endian. The manual of the device should specify the byte order.

Word Order#

Word Order is the order or sequence of words. It is default Big Endian but can also be set to Little Endian. The manual of the device should specify the byte order.

Commands#

Commands will contain all specified commands of the device. To learn more about commands and how to add them, click below.

Learn more about Modbus Commands

Modbus commands are specified the same way for all types of Modbus devices.

More Info#

Learn more about Modbus