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Based on C8051F040 monolithic integrated circuit
Wednesday, December 9th, 2009 at 01:24 | No commentsCategories: Embedded systemShort Content: Take the C8051F040 monolithic integrated circuit as core PLC hardware circuit design, including power failure protection exterior RAM, hardware watch-dog and to the exterior expansion interface circuit. This article proposed take the C8051F040 monolithic integrated circuit as the core, uses on fully its rich piece the resources, the expansion system's input output function, designs the small PLC input output interface hardware circuit by this. C8051F040 is one which of C8051F series Cygnal Corporation promotes, compares with traditional 80C51 ... -
Based on EASY CORE chip set’s special-purpose PLC design
Tuesday, May 26th, 2009 at 23:19 | No commentsCategories: SCMShort Content: 1 EASY CORE PLC chip set EASY CORE was one loaded EASY the embedded PLC software platform core chip set, used in designing PLC, its internal structure diagram as shown in Figure 1. 1.1 EASY CORE essence The essence uses the C8051F040 mixed style high performance monolithic integrated circuit, internal has 64 I/O port pin, 1 CAN2.0B integration controller, 12 ADC, PGA and the simulation multiplying switch, 2 12 DAC, 64 KB programmable Flash memory, 4 352 (4 096 256) ... -
Based on AT89S51 monolithic integrated circuit’s punch press controller
Tuesday, May 26th, 2009 at 22:12 | No commentsCategories: SCMShort Content: This article introduced one kind with Atmel89S51 the monolithic integrated circuit simulation PLC control's method, the design suits the rigid coupling punch press's controller, introduced with the electro-optical isolation's input output circuit's basic constitution and the principle of work, introduced with emphasis the internal keyboard display circuit's design concept, has simultaneously given the electric appliance schematic diagram which the punch press controls. The system hardware disposition take at89S51 monolithic integrated circuit as a core. AT89S51 is a low power loss, ... -
PLC and PC and the RFID recognition reader-writer serial communication realizes - en.51rd.net
Wednesday, December 10th, 2008 at 14:22 | No commentsCategories: Communication NetworksShort Content: The RFID full title is Radio Frequency Identification, namely the radio frequency recognition, it uses the radio radio frequency to realize the programmable controller (PLC) or the microcomputer (PC) with the marking data transmission, thus realizes the non-contact type target identification and the track. A typical RFID radio frequency recognition system including four parts: Marking, the antenna, the controller and the main engine (PLC or PC), the system structure drawing see Figure 1. Figure 1 RFID radio frequency recognition ... -
Based on power line correspondence family networking
Sunday, December 7th, 2008 at 13:02 | No commentsCategories: Communication NetworksShort Content: The abstract mainly introduces the PIC technology, in the intelligence lives in system's utilization, gives the PLC network control system's structure. The description intelligence lives at the systems control end equipment drawn game end equipment's design method. By mansion equipment's electromagnetic compatibility. This system has realized the electrical appliances intelligent control, the peaceful against control and the surfer function.Key word power line correspondence family network intelligence electrical appliances At present, China's intelligence lives at the system peacefully by the ... -
Electric power carrier communication control terminal design - 51RD Chinese electronic net
Saturday, October 18th, 2008 at 20:52 | No commentsCategories: Communication NetworksShort Content: The power line carrier (PLC) corresponds refers to the use existing power line, will simulate or the digital signal through the carrier way carries on the transmission the technology. However, the following shortcoming causes PLC the main application - - "the electric power surfer" not to be able to apply massively. The distribution transformer has the iris action to the electric power intelligence signal; The three-phase electric power space has the very big signal to lose (10~30dB); The different ... -
PLC control system’s electromagnetic interference origin and antijamming design
Saturday, September 6th, 2008 at 12:02 | No commentsCategories: EDA/PLDShort Content: Along with the industrial equipment automation control technology's development, programmable controller (PLC) is getting more and more widespread in the industrial equipment control's application. The PLC control system's reliable immediate influence to enterprise's safety in production and the economical movement, system's antijamming ability is relates the overall system reliability service the key. This article introduced in detail affects the PLC movement the disturbance type and the origin, and proposes the antijamming design implementation strategy. The automated system ... -
Based on PLC embedded vehicles exhaust automatic detection system
Wednesday, August 20th, 2008 at 09:56 | No commentsCategories: EDA/PLDTags: automobile, configuration king 6.0, EU-2 standard, exhaust pollutant, intelligence examination, PLCShort Content: At present, realizes to the vehicle emissions pollution carries on the active control to become our country environmental protection urgent duty, needs to carry on the examination in the production to the automobile exhaust pollutant. This article conforms to the EU-2 standard on one kind, based on embedded Windows the CE operating system and the configuration king 6.0 configuration software's collection operating mode simulation, type gas gathering, the type gas analysis carries on the introduction in a body's automobile ...
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