Barcode Scanner

Keyence SR-X Series Barcode Scanner RS232C Communication with PLC Without Protocol

by
Keyence SR-X Series Barcode Scanner RS232C Communication with PLC Without Protocol

The connection method for the barcode scanner and Mitsubishi Q series PLC using RS-232C communication (without protocol) will be illustrated as an example. 1　Devices Used 2 Connection Method 3 Configuration of Keyence Barcode Reader 4　Configuration of Mitsubishi Electric PLC Q Series 5　Creating and Transmitting Ladder Diagram Program 6　Execution of Ladder Diagram Program and Monitoring of … Read more

Understanding SPI, I2C, UART, I2S, GPIO, SDIO, and CAN: Can You Differentiate Them?

by
Understanding SPI, I2C, UART, I2S, GPIO, SDIO, and CAN: Can You Differentiate Them?

Buses, buses, you always get caught up in them. All signals in this world are the same, but there are thousands of buses, which can be quite a headache. In general, there are three types of buses: internal buses, system buses, and external buses. The internal bus connects various peripheral chips within the microcomputer to … Read more

Understanding ‘Can’ and ‘Cannot’: A Guide to Usage

by
Understanding 'Can' and 'Cannot': A Guide to Usage

It’s very simple to understand can and cannot. Have you ever thought about whether you are using them correctly? In fact, the simpler the words, grammar, and structures in English, the more we can grasp the fundamental differences between English and Chinese grammar. So today, let’s review and update your understanding and mastery of can! … Read more

Comprehensive Analysis of CAN and CANopen Bus Technologies (Final Part)

by
Comprehensive Analysis of CAN and CANopen Bus Technologies (Final Part)

We have completed the basic introduction to CAN and CANopen related technologies, and here is a summary: CAN Bus Section This animation is quite well done, sharing it with friends who follow me 🤭 Source: https://www.parlezvoustech.com/en/bus-can-2024-technologie-avantages-evolutions/ 1. CAN and Automobiles 2. History of CAN Bus 3. OSI Model of CAN Bus4. Types of CAN Bus … Read more

CAN to CANopen – Gateway Converter HD67042-A1

by
CAN to CANopen – Gateway Converter HD67042-A1

CAN to CANopen –Gateway Converter–HD67042-A1 Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1、Product Features:HD67042 is a CAN / CANopen converter. It has the following features: Triple isolation between CAN and power, CAN and CANopen, CANopen and power; Bidirectional information transmission between CANopen bus and CAN bus; Can be mounted on a 35mm DIN rail; Wide power … Read more

Understanding Various Buses: A Comprehensive Guide to SPI, I2C, UART, I2S, GPIO, CAN, and SDIO

by
Understanding Various Buses: A Comprehensive Guide to SPI, I2C, UART, I2S, GPIO, CAN, and SDIO

Buses, buses, they always get you tangled up. In this world, signals may be the same, but there are thousands of buses, which can be quite a headache. In general, there are three types of buses: internal buses, system buses, and external buses. Internal buses are used for interconnections between peripheral chips and processors within … Read more

Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

by
Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

1. What is the basic working principle of the CAN bus? The CAN bus is a multi-master serial communication protocol primarily used in automotive and industrial control. It transmits data through differential signals (CAN_H and CAN_L) and has a high anti-interference capability. The CAN bus employs a non-destructive bit arbitration mechanism to ensure that high-priority … Read more

How Many CAN Channels Does an ECU Need? Should It Support Sleep Wake-Up?

by
How Many CAN Channels Does an ECU Need? Should It Support Sleep Wake-Up?

Source | Chip Xiao Er’s Afternoon Tea Knowledge Circle | Entering the Camera Lens/Module/CMOS Chip Group, Add WeChat yijijuechen2023 As a widely used communication bus between automotive ECUs, CAN has some fundamental questions related to its application, such as Since it is a bus, why aren’t all connected together, and why are so many CAN … Read more

Selecting TVS Diodes for RS-232, RS-485, and CAN Based on Rated Voltage

by
Selecting TVS Diodes for RS-232, RS-485, and CAN Based on Rated Voltage

**Introduction** In many industrial and automotive applications, protecting interface transceivers from various electrical overstress events is a major concern. Transient Voltage Suppressor (TVS) diodes are commonly used for this purpose as they clamp voltage spikes by creating a low impedance current path. The electrical characteristics of TVS diodes are determined by several process factors. These … Read more

A Detailed Overview of CAN and CANopen Protocols

by
A Detailed Overview of CAN and CANopen Protocols

Table of Contents 1 Overview of CAN 1.1 What is CAN 1.2 History of CAN 1.3 CiA Organization 1.4 OSI Model of CAN 1.5 Characteristics of CAN 1.6 Topology of CAN 1.7 Data Frame of CAN 1.8 Common CAN Application Layer Protocols 2 Overview of CANopen 2.1 What is CANopen 2.2 CANopen Network Model 2.3 … Read more