Modbus Slave-Software simulates Modbus slave communication
1 Introduction
Modbus Slave is mainly used to simulate Modbus slave devices, receive command packets from the master station, and return data packets. It can simulate up to 32 Modbus sub-devices in 32 windows. Support functions 01, 02, 03, 04, 05, 06, 15, 16, 22 and 23, you can view the serial port data receiving and sending.
2. Installation
Download link: https://download.csdn.net/download/lblmlms/12924221
3. Use
1. Setup->Slave Definiton
Function indicates the function code
Address indicates the device address
Quantity indicates the number of registers
Display indicates the data storage format
2. Set register value
Double-click the data fill-in box to set the data, check Auto increment to increase the value by 1 per second .
3. Connection->Connect
It may appear that the options are grayed out. This is because there is no connection for a long time, just reopen the software;
click Connection requires a registration code, but it can take 30 days without registration.
4. View Display->Commication...
Can view communication interaction