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U201-A Main board

fuel-dispenser

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

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technical archives

    me meter is a meter measuring liquid volume accumulatively, which consists of measurement transducer, calculat fuel dispenser or and indicator devices. When measuring liquid flow past the measured transducer, its mechanical measuring components divide flowing liquid into volume unit, then flow out together. At the same time it transforms the volume unit into relative position change value, indicating the total flowing volume by calculator and indicator devices. Measurement transducer once is called meter, which is the key parts in flow meter. 3. Additional devices Additional devices are appar fuel dispenser atus aiming at ensure the accuracy of fuel dispenser, such as pump, oil-air separator, nozzle, solenoid valve, filter, oil indicator, pipeline, etc. 4. Ancillary devices Ancillary devices are adapted to realize other special functions of fuel dispenser, such as payment indicator, pre-setting, oil-air recovery, taxation interface, IC card read, amount indicator, zero-clear, etc. Article II Fuel dispenser’s development history Fuel dispenser is created and developed along with the development of automotive industry, petrol industry, and transportation industry. Diagram 1-1: Earlier fuel dispenser The first fuel dispenser in world, manufactured in the early of 20 century, is made of manual suction pump, transparent cylinder with scales, and switch (see the 1-1 diagram). The certain volume fuels flow into the vehicle’s tank by means of gravity, controlled by switch. The paid volume is decided by the operator eye-measuring the scales. Manual pump is replaced by motor pump until in 1920s, and the transparent cylinder by flow meter with scales (see Diagram 1-2). In 1940s, indicative handle calculator developed as wheel calculator, function having changed from indicator volume only into measuring volume, money, and unit price adjustment as well (see Diagram fuel dispenser 1-3). The development of electronic technique in the 1970s promotes the evolution of indicator operation and control management of fuel dispenser. The end of 20th cent

technical specification

    e1Flag Logical nozzle 1 (LN_ID =   1)   bit 2 = LogicalNozzle2Flag Logical nozzle fuel dispenser 2 (LN_ID =   2)   媴   bit 8 = LogicalNozzle8Flag Logical nozzle 8 (LN_ID =   8)   The numbering of the nozzles is manufacturer model   specific and must be defined separate.   1 = Nozzle authorized   0 = Nozzle not authorized   All nozzles must be authorised in the Log_Noz_Mask   after the current fuelling transaction is stored in fuel dispenser the   transaction buffer.   PCD Comment:   If the proprietary pump protocols doesn t support   masking of the nozzles the PCD will have to reject any   attempt to write a value with a MS_ACK=5 and a   Data_ACK 2.  FP31_2.22 IFSF - STANDARD FORECOURT PROTOCOL October 2005   DISPENSER APPLICATION   Page: 98   FUELLING POINT DATABASE   DB_Ad = FP_ID (21H-24H)   Data Field Type ReadWrite MO   Data Element Name   Description   _Id (Value) in State   Config_Lock   26 Bin 16 R(1 2) M   (1AH) Used to lock the communications of a dispenser to one   W(1 2)   controlling device while the dispenser is being   fuel dispenser configured.   X Y = Controller Device that locked the FP  

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    shot for desertion or cowardice during the war of 1914-18. They were pardoned in the 1930s, thanks to a vigo fuel dispenser rous campaign by veterans and a general feeling that their behaviour had been understandable given the circumstances. By contrast, the British government has always decided against issuing pardons to the 306 British soldiers shot for the same reasons. When the question arose in 1998, John Reid, who was then the minister in charge of the armed forces, said that there was insufficient evidence to revisit past judgments. It was therefore surprising when Des Browne, the c fuel dispenser urrent defence secretary, announced on August 15th that the soldiers would after all be pardoned. The change of heart probably owes its timing to the government s legislative programme. The pardons will require an amendment to a defence bill that is currently passing through Parliament. The defence ministry says it usually writes a new bill once every four years. If it missed this year s slot, families who have long been campaigning for their grandfathers, would have to wait even longer. At a time when British soldiers are deployed in Iraq and Afghanistan, there may be also some advantage for the defence secretary in displaying the government s softer side. But the decision reflects a longer- term shift in public attitudes towards the first world war. Joanna Bourke, a historian at Birkbeck College in London, says that the Great War, as it was once known, has now become “safe� joining the battles of Agincourt and Waterloo in the realm of history proper. Television documentaries about it are becoming rarer as the number of eyewitnesses to interview shrinks. This has helped to make the war, and with it the notion of letting down comrades, seem more remote. Meanwhile Pat Barker s successful “Regeneration�trilogy of novels accustomed people to the i fuel dispenser dea that trench warfare was not only hell but was also liable to drive soldiers mad. A pardon now, say campaigners, will bring comfort to families who have lived wi