U203-F Display

U203-F Display

Features:

8 digits volume,8 digits sales,6 digits price per unit

1.2”LCD yellow backlight

running normally on the condition of -40 C to 55 C

broad sight scope from all directions

Current:600 mA

100% Factory Tested.

Packing:

Weight:

Dimension :

300g/case of 1 120×253×26mm/case of 1

VP500B with power showed in Diagram 4-4. As the simplest design, it could be installed at end of reclaiming pipe, namely, near to tank and inlet. It can simultaneously reclaim 12 nozzles, applicable to fuel dispenser with suction pump or submersible pump. Center-type reclaiming vacuum pump VP5 fuel dispenser 00B without power showed in Diagram 4-5. This type of pump is very applicable to city filling station, which is powered by submersible pump, mounted 8 nozzles of reclaiming. The deployment of vapor pipe and air vent of tank ensures station’s normal operation. Distributed reclaiming vacuum pump: each fuel dispenser is mounted vapor reclaiming vacuum pump. Diagram 4-6: VP vacuum pump Diagram 4-7: Separated jointer Diagram 4-8: Coaxial hose Separated jointer: its main function is used as convert jointer to separate vapor and oil. Repeated use breakaway: used for protecting fuel dispenser in case of pull down by vehicle. As exterior pull reaching 310~350lb, breakaway is aut fuel dispenser omatically closed, at same time switch off pipelines of vapor and oil. Coaxial hose: a kind of hose with two layers that delivery vapor in internal and exterior oil. Nozzle: with double-layer pipes, mounted vapor valve. Fuel dispenser with vapor recovery system This kind of fuel dispenser with vapor recovery function is used for reclaiming volatile oil vapor near outlet without affecting normal refueling. There are two types widely adopting in domestic market, one is the new developed fuel dispenser that has vapor recovery function; the other type is improved fuel dispenser based upon traditional dispenser and added vapor recovery function. Generally, these are divided into two categories: submersible type and built-in pump type. Diagram 4-9: Vapor recovery nozzle Submersible fuel dispenser with vapor recovery function If adopt vacuum-aid vapor recovery system, the matching fuel dispenser with vapor recovery function should adopt submersible fuel dispenser. Its working principle is that center va fuel dispenser cuum pump g

es are broadcast out onto domain 1 of the IFSF network.　　 DEVICE_STATUS - Bit 1 is set i.e. Configuration Needed means that all data that is　　 needed for correct operation is not available. Example: In the case of power loss a　　 dispenser should send a Config fuel dispenser uration Needed heartbeat since it can not know if it has　　 the correct prices.　　 NOTE - To allow devices on the same network to have different heartbeat intervals　　 each device should read the other heartbeat intervals and use these (x3) before　　 deciding not to send unsolicited messages to that device. Note this means Controller　　 Devices must implement the communication service database.　　 The Heartbeat Interval for Controller Devices should be set to the default value (10　　 seconds) and not changed.　　FP2_1.89 IFSF STANDARD FORECOURT PROTOCOL June 2005　　 fuel dispenser COMMUNICATION SPECIFICATION　　Page: 36　　4.6 Data Encryption　　 In order to maintain system integrity for security purposes a method of data　　 encryption must be provided. Although it is possible to encrypt data at a LonWorks　　 level this is not implemented in an IFSF network instead IFSF uses a separate means　　 of data encryption. The method described below is used for the Customer Operated　　 Payment Terminal (COPT).　　4.6.1 COPT Data Encryption　　 This method supports the desired ability to encrypt data collected at the COPT and　　 transfer this data to the controller where it can be decrypted. It provides a secure　　 method where the communications between the COPT and the controller can not be　　 monitored to collect sensitive data. It also supports and eases equipment support in　　 field. A COPT need not b fuel dispenser

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