Multi-serial communication protocol conversion case
With the advent of the era of network economy, the application of IP networks based on the TCP / IP protocol has been widely popularized. The use of network resources can achieve network access for devices. Device network monitoring has become a development trend in industrial automation.
Hengyi's multi-serial port protocol conversion solution can realize the connection of traditional serial devices on the industrial site to the IP network , and realize the bidirectional data exchange between multiple serial devices with different protocols and Ethernet.
Hengyi Successful Case
Remote decentralized equipment control
Electricity, telecommunication, automation equipment communication management
Security and fire intelligent alarm system
system structure
With the application of Hengyi's multi-serial communication protocol conversion scheme, it is possible to realize the conversion from RS232 / 485/422, CAN to TCP / IP communication protocol through simple design, and realize remote monitoring and management of industrial field equipment. On the PC host, you can access multiple serial devices on the serial server through the WEB browser. The system architecture is shown in the figure:
System hardware design
Hengyi multi-serial communication solution is an industrial communication protocol conversion solution applied to the interconnection communication of different protocol devices. The program uses AT91RM9200 as the main processor; the multi-serial port expansion is implemented with a 16c554 chip, and a multi-serial port interrupt source management is realized by a piece of cpld (altera's epm7064), using the interrupt source to manage multiple extended serial ports; the data acquisition module is implemented with ADS7842, And the selection of data acquisition channel is realized by DG506 chip; CAN communication module is realized by CAN controller SJA1000. System block diagram:
System software design
1) Multi-protocol support: You can directly connect interface devices with RS232, RS485, RS422, CAN and other communication protocols to serial protocol conversion devices.
2) Remote parameter setting
The system running on the multi-serial protocol conversion device realizes the function of embedded WEB_Server, connects the network and the protocol conversion device, logs in through the IE browser, and can set its working parameters, as shown in the figure:
Solution advantages
The multi-serial communication scheme realizes the networking and centralized management of serial devices. The program converts the serial data of the existing RS232, RS485 and other devices on the industrial site into TCP / IP data, and accesses and manages the data through the IP network. Using Hengyi's multi-serial communication scheme, real-time data collection, production monitoring, and network automation management on the industrial site can be achieved without replacing the existing serial device or investing a lot of manpower and material resources.
Fiber Optic Patch Panel, Termination Box Fiber Optic Termination Box/Patch Panel(OTB)designed according to the standard 19-inch cabinet, it is made of cold rolled steel of high grade and welded in its entirety with goods appearance, cabel can enter from the left or right side .
Fiber Optic Termination Box/Patch Panel(OTB) perform fiber splicing, distribution, termination, patching, storage and management in one unit. They support both cross-connect and interconnect architecture, and provide interfaces between outside plant cables and transmission equipment.
Fiber Optic Patch Panel
Fiber Optic Patch Panel,Fiber Optic Distribution Panel,Fiber Optical Patch Panel
Sijee Optical Communication Technology Co.,Ltd , https://www.sijee-optical.com