U215-A PRINTER

U215-A PRINTER

on quickly increase in recent year, consumption of finished oil increase al well, the vapor pollution and resource waste in forecourt become more important safety factor in considerable filing station, safety distance and vapor density in particular. At present, vapor separator device is installed and obtain content effect in most of large and middle cities reference to foreign improving measures. Its recovery principle is divided as two phases: first phase refers to closed discharge from tank vehicle; second phase refers to vapor recovery as refueling oil. Phase I vapor-recovery system The first phase system aims at to rebuild the delivery pipe and vapor recovery pipe between vehicle tank and tank. (Diagram 4-1) The volume of vapor will be increased as flowing into tank because of waves and shock. Therefore, the inlet pipe should be deeply stretched under oil level so as to reduce oil waves. As for a tank exceeding 945L of volume, inlet pipe is needed stretching into oil no higher 15cm than bottom of tank. Oil flows into tank from under level, vapor flow back into vehicle tank under pressure. In principle, the volume of oil and vapor is corrective. In order to make as little as vapor volatize duri fuel dispenser ng delivery, the structure of traditional ventilating pipe should be improved, making system in sealed state under nor fuel dispenser mal pressure range. Reclaimed vapor is dealt with through condensation, adsorption and burn after taking back. Its operation principle is similar to the vapor system of balanced nozzle. Diagram 4-1: Phase I Vapor Recovery System The pipeline installation is illustrating in Diagram 4-2. The height of air pipe at least 4m. The length of back air is shorter than air pipe, diameter larger than that of air pipe. It is prohibited to appear overflow phenomenon as vehicle tank discharge, shut off switch of air pipe. The jointer between air back and discharge pipe should adopt speed jointer. Phase II vapor-recovery system Phase II refers to the progress in which vapor in vehicle tank is fuel dispenser

eRequest　　It is possible that the EPS processes a DeviceRequest without a previous CardServiceRequest or ServiceRequest.　　Exactly the same timeouts T0 T2 T3 apply to such message exchange.　　IFSF POSEPS ImplementationGuidelines - Revision - 20060510　　 10052006 Page 46 of 105　　 Confidential　　 EPS　　 POS　　 Channel 0 Channel 1 Channel 1 Channel 0　　 Connect　　 Timeout T0　　 DeviceRequest　　 Timeout T2　　 DeviceResponse　　 Timeout T3　　 CloseSocket　　4.7 Configuration update　　Configuration is to be managed by files delivered in the PCserver agreed location by the chosen application　　environment.　　4.8 SW Update　　SW updates must be managed carefully when the applications work fuel dispenser on the same machine.　　The system must be logged off before an update can take place.　　The update of one applicati fuel dispenser on is implemented bothering as less as possible the other application.　　IFSF POSEPS ImplementationGuidelines - Revision - 20060510　　 10052006 Page 47 of 105　　 Confidential　　5. POS EPS TESTING INTEROPERABILITY RULES　　Even if the syntax of the XML messages is accepted (XML schema compliant) this does not mean that the two　　applications are successfully interoperating. The XML schemas were defined without a full definition of　　dependencies among data since this would involve the full definition on how the application fuel dispenser

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