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.
If you want help to get started with Modbus RTU check out our getting started guide on Modbus RTU below
Attributes
| Attribute | Value |
|---|---|
| Name | Modbus (RTU) |
| Manufacturer | |
| Model | |
| Serial Number | |
| Internal Number | |
| COM Port | COM1 |
| Client Address | 1 |
| Parity | N |
| Baud Rate | 19200 |
| Stop Bits | 1 |
| Byte Order | Big Endian |
| Word Order | Big 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.
Modbus commands are specified the same way for all types of Modbus devices.