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U201-A Main board

U201-A

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

products links

links

technical archives

    the product vary largely and different performance and failure as well. The following just introduce some general methods to solve troubles. 3.1. Inefficient performance The bad separate capacity present as: large foam appe fuel dispenser ars in oil indicator as refueling, accuracy is affected. Maintenance methods and procedure as followed. Firstly to check the nut and plug on strainer whether loose, whether leakage at joint face as stopping operation. If failure is still exists after solve the sealing problem of strainer cov fuel dispenser er, conduct next progress. Check whether pipeline leakage between tank and fuel dispe fuel dispenser nsers. The check method is to disconnect the end cover of strainer, and to find whether exist oil in low pressure chamber; if no oil or oil level go down slowly, there is some leaking places in pipeline or bottom valve. Inspect exhausting valve seat. Open upper cover and inspect the small hole at exhausting valve seat whether stuck. If the hole is stuck or narrowed by waste, oil indicator would appear much foam due to air leaking into vapor separate chamber. The method to solve trouble is that dredge hole and clean groove, making enough area. Note that the area should don’t too large, large room easily causes leaking oil at exhausting pipe. Check vapor separate chamber. Under normal condition oil level in the chamber should keep a half capacity so that ensure air can’t reach into low pressure chamber. (Different products with various oil level). If there is no oil or low level in vapor separate chamber, the taper valve would not plug the hole of return oil valve seat, so as air reaching into low pressure chamber via taper valve and returned oil valve. The solution is that inspecting the axis of returned valve and the hole of returned oil valve seat. Reassembling them after solve problems. 3.2. Exhaust pipe leakage When tank position is higher than that of fuel dispenser, exhausting pipe will leak oil. Plugging exhausting pipe could solve leakage phenomenon. If found leakage on tank the following procedure

technical specification

    n 3 Optional   Not required for German Debit cards   48-6 Clerk ID fuel dispenser LVAR n ..9 Optional   Not required for German Debit cards   48-40 Encryption parameter b 8 Conditional if card scheme requires it  fuel dispenser   N fuel dispenser ot required for German Debit cards   49 Currency code transaction an 3 Conditional - same as request   Required for German Debit cards   52 Personal identification number (PIN b 8 Conditional - required with PIN entry.   data) Required for German Debit magnetic stripe   cards   Not required for German Debit chip cards   53 Security Related Control Information LLVAR b 48 Conditional   Required for German Debit cards   55 ICC system related data LLLVAR b ..255 Conditional - same as original transaction   Required for German Debit chip cards   Not required for German Debit magnetic  

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    ysics laboratory near Chicago, think they have found a candidate. Their experiments involve a group of particles called B-mesons. Quantum mechanics allows B- mesons to turn into their antimatter counterparts and back again fuel dispenser , a process known as mixing. This mixing is described by some deft but complicated mathematics, and is crucial to the question of asymmetry. The frequency at which it happens is related to a small but significant difference between the mass of the particle and its antiparticle. The two e fuel dispenser xperiments at Fermilab, each of which employed around 700 scientists from all over the fuel dispenser world, have quantified the mixing process for a type of B-meson called Bs. The difference in mass between this particle and its antiparticle is greater than for other B-mesons studied to date, and so the frequency with which it oscillates is higher. The experiments found that Bs-mesons switch between being matter and antimatter some three trillion times a second. Zippy though this undoubtedly is, it is slower than some predicted, ruling out some of the more exotic theories of particle physics. But the measurement does confirm there is more asymmetry around than had previously been detected. So, while it cannot fully explain the imbalance between matter and antimatter, it is a step in the right direction. © 2006 . American politics 1 Dumb and dumber Apr 20th 2006 From The Economist print edition American politics today are micro-managed by an array of political professionals. A new book asks what exactly it is that they contribute Politics Lost How American Democracy Was Trivialised by People Who Think You re