P-G22 FUEL DISPENSER

P-G22 FUEL DISPENSER

Pump Type :Optional

Inlet Pressure : >=54kPa.

Flow rate (L/min.) :55±5

Suction Distance (m): 6(verticalmente) / 50(orizzontalmente)

FlowMeter Type : Optional

Accuracy :±0.2%

Motor Voltage(V): 110V/220V/380V,50Hz/60Hz

Capacity(hp): 1HP(0.75kw)

Input Voltage : 110V/220V/380V,50Hz/60Hz

Nozzle : Auto Shut-off Nozzle

Environmental Condition :-40~~+55degree

Control Type :Solenold Vale Control Type

Preset: Function Provided(Small LCDIndicator)

Display(Counter) :Type LCD and Bright Backlight

Digit of Volume : 0~~999,999(6 Digits),Decimal point can be changed

Digit of Amount :0~~999,999(6 Digits),Decimal point can be changed

Digit of Unit price : 0~~9999(4 Digits),Decimal point can be changed

Digit of Total Range : 0~~99,999,999,99

Optional Display :Type LCD and Bright Backlight

Digit of Volume :0~~99,999,999(8 Digits),Decimal point can be changed

Digit of Amount :0~~99,999,999(8 Digits),Decimal point can be changed

Digit of Unit price : 0~~999999(6 Digits),Decimal point can be changed

Digit of Total Range :0~~99,999,999,99

Totalizer: 1~~9,999,999

Hose: 4.5m

Weight : 235kg

Dimension(L×W×H): 1060*550*1620(mm)

Dimension(L×W×H)Of Qty of Container : 40ft: 44 20ft: 22

ariable DC voltage. Diagram 3-9 is a drive circuit. The display mode of volume and sales on main display board adopt 6 digits liquid crystal display (Model ED-139, see Diagram 3-11), PPU or unit price r digits LCD (Model ED-830, see Diagram 3-12). Diagram 3-9: Static circuit and wave of LCD tube Diagram 3-10: Drive circuit of one-digit tube Diagram 3-11: ED-139 6-digit LCD Diagram 3-12: ED-830 4-digit LCD Display drive chip often adopts 8-digit memory/flip-latch: 74HC95. The drive circuit of liquid crystal display is composed of double D trigger 74HC74 and double input exclusive-OR gate 74HC86. Some fuel dispensers adopt special crystal driv fuel dispenser e circuit in liquid crystal display, its principle basically similar to 74 series LCD drive circuit. A few fuel dispenser manufacturers adopt light-emitting diode (LED) as display components of display board because its cost is low and need n fuel dispenser ot backlight in evening. The defect of this display component is bad display effect, especially under extensive sunlight, and much electricity consumption. LED display drive circuit also has parallel and serial drive, similar to LCD display drive circuit in terms of structure. Very few fuel dispensers adopt matrix or color liquid crystal display, showing much information. However, it largely increases cost. 2.4 Power supply Stable voltage power supply used in explosion-proof fuel dispenser Most of fuel dispensers adopt explosion-proof type, installing liner stable voltage power supply or switch voltage power supply. Switch voltage stabilizing power supply includes power transformer, DC/DC converter fuel dispenser , 220V direct commute and pulse transformer, illustrated in Diagram 3-14 and 3-15. Due to cost-efficient and simple design, liner stable voltage power is widely adopted. However, it is affected by exterior network voltage. Although pulse transformer is able to tackle with network voltage fluctuation, it is can’t afford because of complicated technology, expensive cost and difficult to maintenance. In recent years, D

s the device on the Echelon LonWorks network. The　　 PNA consists of two bytes (Subnet Node Address). Please　　 note that the PNA may differ from the LNA.　　 Please reference the IFSF document PART II　　 COMMUNICATION SPECIFICATION for more details.　　March 2006 IFSF - STANDARD FORECOURT PROTOCOL FP31_2.23　　 DISPENSER APPLICATION　　 fuel dispenser Page: 27　　2 Fuelling Point Behavioural Model　　This chapter describes in detail each state event and required actions of a fuelling point.　　 Protocol Converter Device Comment　　It is fuel dispenser not a straightforward task to convert one protocol to another when the two protocols have　　different state tables. However the very nature of an IFSF Dispenser Protocol Converter requires　　the device to accomplish this task.　　The following sections explain varies IFSF FP states why they are in the respective state and　　what effect events have on the state table. In addition to the standard IFSF Dispenser　　Application text additional information has been included explaining what is expected of an　　IFSF Dispenser Protocol Converter. The PCD Comments are in italic to make it easier to　　recognise that the text is related to a PCD application.　　In the following description STATES are shown in fuel dispenser bold text and EVENTS are given in　　double quotes. Control flows and Data flows are contained in square brackets.　　The table below is used. Its content has the following definition.　　 STATE DESCRIPTION　　 STATE IDENTIFIER A short description of the state.　　 NAME　　

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