U201-A Main board

U201-A Main board

Features :

Dual stable voltage input

Running normally on the condition of -40~~+55degree

Board-fixed EMC component

Input & output signal differentiate from system voltage individually

CPU changed only for different models

Weight:190g

100% Factory Tested.

Con Conection Con Conection Con Conection

P1 micro-swith 1 P6 power board P12 ----------

P2 micro-swith 2 P7 sensor 1 P13 display 1/A

P51 keypad 2 P8 sensor 2 P14 display 1/B

P3 keypad 1 P9 computer

P4 power board and SSR P11 display 2

fuel dispenser ping a little oil flow out of corrugated pipe, put a container under it. The method is suggested to be applicable to other maintenance of hydraulic components. Article VI Solenoid valve In this Article a switch, controlled by electric components, is installed at inlet or outlet of measurement transducer, which is used for ensure the accuracy of presetting filling volume of fuel dispenser. Nozzle cannot be closed after finishing presetting volume due to the inertia of pump and pressured oil, which results in that real volume exceed presetting volume so as to affect fuel dispenser’s accuracy. In order to prevent this phenomenon occurring, most of manufacturers of fuel dispenser adopt to mount a solenoid valve at inlet or outlet of measurement transducer, switching o fuel dispenser ff valve prior to presetting volume getting reach through regulating appropriate ahead volume. The method is one of the most efficient measures that used for ensuring fuel dispenser’s accuracy and preventing overrun resulted from the inertia of pump and pr fuel dispenser essure oil. There are two kinds of solenoid vale --- membrane type and piston type. The former, simple structure and high anti—pollution, is closed through membrane. However, its performance is depended upon the technology about membrane and weather. The latter valve controlled through piston has wide applicable range of temperature, weak to anti-jammed pollution. Double flux solenoid valve is controlled by the position movement of cam that is driven by motor, and large or small flux is realized through the open or closed of main or vice valve. It has merits of wide applicable temperature range, high pollution-resistant. At present, most manufacturers adopt double flux membrane solenoid valve in fuel dispenser. Double flux solenoid valve Structure and working principle Membrane solenoid valve is widely adopted recently, which also called double flux solenoid valve, shown in Diagram 2-35 and 2-36. Diagram 2-35: Working principle of double flux solenoid valve Diagram 2-36:

fuel dispenser 52　　 Mechanics and Acoustics　　1.4 Gas Flow the core piece of the new optical flowrate　　 standard cf. Figure 5. Owing to the rotational　　The Gas Flow Department consists of the work-　　 symmetry of the nozzle flow the volume flow　　ing groups Fluid Flow Measuring Techniques　　 determination can be traced back to a velocity　　Gas Meters and Pigsar.　　 profile measurement using a laser Doppler　　 fuel dispenser anemometer. This method which was devel-　　The Department maintains pigsar the na-　　 oped by the Fluid Flow Measuring Techniques　　tional standard of the Feder fuel dispenser al Republic of　　 Working Group has already been used with　　Germany for high-pressure natural gas which　　 success for the flowrate measurement of air　　is operated in cooperation between the Ruhr-　　 under atmospheric pressure with a measure-　　gas AG and the Physikalisch-Technische　　 ment uncertainty of 0.1 % using the optical　　Bundesanstalt and to which a new test hall　　 primary standard operated at the PTB. The　　was added. An innovative optical method for　　 laser Doppler anemometer measurement is　　determining the volume of natural gas at high　　 carried out th

fuel dispenser Televisa. Last week some of its private-equity partners backed away from the auction for Univision. On June 26th Mr Perenchio sold his firm to a group including Haim Saban, an American-Israeli media entrepreneur who also controls ProSieben, a German broadcaster. Mr Saban s group had outbid Televisa by $0.50 a share—just over 1%—and agreed to buy Univision for a total of $13.7 billion, including $1.4 billion in debt. Most observers believe that Televisa would have been willing to stay AP and outbid Mr Saban. They suspect that Mr Perenchio chose to sell to somebody else because of the two firms troubled relationship. Televisa s supporters think that he dislikes Televisa, partly because the Mexican company has brought a cou fuel dispenser rt case against Univision over a programming agreement. “They should have hired a psychologist and saved a lot of money,�says one analyst. But it may not be as simple as that. Some analysts reckon that Mr Perenchio faced less regulatory risk in acce fuel dispenser pting a bid from Mr Saban� America s Federal Communications Commission (FCC) might have looked closely at whether Televisa was violating the rules against foreigners owning broadcast assets in America (though its bid was structured so that it would have taken only a 25% stake). One thing nobody disagrees about is that the telenovelas and the I thought we belonged together advertising revenue they bring in are enormously profitable. In the first quarter of 2006 Televisa made 2.8 billion pesos ($265m) in profit—an increase of 24% over the same period in 2005. Televisa can cope perfectly well without Univision. It controls 70% of the Mexican television market and enjoys support from enough of the Mexican congress to ensure favourable laws. Earlier this year, Televisa, along with TV Azteca, which has a further fifth of the market, succeeded in winning a new telecommunications law, which some people