Modbus Communication Case Study between S7-1200 and Omron Smart Instruments
1. Introduction Modbus communication is a widely used communication protocol, commonly applied in frequency converters, smart instruments, and other intelligent devices. This article uses the S7-1200 series PLC as the Modbus master and the Omron E5EZ smart temperature controller as the slave, demonstrating how to read the current temperature value and modify the set temperature … Read more