1. TaskThe S7-200smart PLC reads the weight data from the weighing sensor via MODBUS-RTU communication.2. Device Model DataS7-200smart PLC:SR60 3. Introduction to MODBUS Master Station Commands4. Commands1. MODBUS Master Station Initialization Command2. Polling Method to Read Weight Value and Decimal PlacesUse the completion flag M10.0 of the initialization program and the completion flag M10.2 of … Read more
Follow+Star PublicAccount, don’t miss out on exciting contentAuthor | strongerHuangWeChat Public Account | Embedded ColumnYou may not know what Modbus is, but in reality, Modbus is widely used in many industrial electronic systems. What is Modbus? Modbus is a communication protocol developed by Modicon (now Schneider Electric) in 1979 for PLCs, primarily used for networking … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Don’t understand Modbus? How to learn about the host computer??? It’s really not difficult! Reading Modbus temperature sensors using C#. Modbus is a widely used communication protocol in industrial automation for efficient data transmission between devices. Correctly configuring the … Read more
Click 【Industrial Automation Insights】 to follow us! Source: Industrial Control Automation Zhuge Liang Why Does Your PLC Program Keep Throwing Errors? 90% of the Problems Are Due to These Four Units! Why does the program throw a ‘data type mismatch’ error when it runs, even though it was written according to the tutorial? Why can … Read more
In today’s wave of intelligent manufacturing sweeping the globe, Programmable Logic Controllers (PLCs) serve as the core components of industrial control systems, and the development of their communication technologies directly impacts the efficiency and flexibility of the entire production system. This article will systematically outline the three major dimensions of PLC communication systems—internal communication, external … Read more
The various states of the servo amplifier are managed by the state machine shown in the figure below. The state of the slave (servo amplifier) will change based on the control command (6040h) from the master (controller). Additionally, the current state of the servo amplifier can be read through the control status (6041h).The key registers … Read more
In non-standard automation projects, Modbus communication failures are one of the most troublesome issues for engineers. Sudden device disconnections, abnormal data transmission, communication timeouts… These problems not only affect production efficiency but can also lead to the shutdown of the entire production line. After years of practical experience, we have summarized this 5-minute quick troubleshooting … Read more
Modbus to Profinet Gateway Connecting Configuration Case of TP613 Three-Phase Smart Power Meter and PLC The Modbus to Profinet protocol conversion technology innovatively transforms traditional production modes through a conversion mechanism, enabling data communication between Programmable Logic Controllers (PLC) and measuring instruments. This innovative field application solution effectively resolves communication barriers between PLCs and measuring … Read more
Modbus and CAN communication, as commonly used communication protocols in the industrial field, each have clear advantages and limitations. The specific pros and cons are as follows: 1. Advantages and Disadvantages of Modbus Communication Advantages 1. Simple protocol, easy to implement and integrate The protocol structure is clear (address code + function code + data … Read more
Contact Us Get Information Fluorescent Tracing Sensor Product Features *Modbus 485 and 4-20mA simultaneous output, directly connect to computers and PLC systems *Measurement range (0~200PPB) *Utilizes advanced 90-degree scattering light method *IP68 waterproof standard *Wide voltage power supply (7~30V) *Low drift, compact size, fast response speed *Easy installation, simple, direct readings and settings via computer … Read more