U501-A Pulse sensor

U501-A Pulse sensor

This incremental shaft encoder has been designed for heavy-duty application, especially for use in petroleum & diesel dispensing environments where potentially explosive atmospheres can be expected. It features a rugged and compact construction as well as a wide selection of mechanical and electronic variations.

Materials:

Housing: Die cast aluminum alloy

Bearings: Self-lubricating sintered bronze

Features :

A high advantage in reliability and adaptability.

A large selection of shaft couplings, including couplings with built-in backlash clutch facility.

Standard sealing screws.

The fuel resistant cable can be customized regarding length.

Suit the Bennett SB-100 meter and other meters whose pulse per circle is 60.

100% EX approved and tested.

Specifications:

Power supply: 5 VDC, fixed or variable

Current Consumption: Standard 10 to 30 mA, max 90mA

Number of Channels: 2

Number of pulses: 60 ppr

Output Signal: Square wave duty cycle 50%+10%.

Phase Shift: 2 channels 90° (25% +5%)

Output Stage: NPN

Output Current: Max. 30mA

Hysteresis: Min. 0.2°

Output freq. Min. 1000Hz

Temperature range: Working -40 to+ 70 degree

RPM: Max 3000RPM

Mounting: With 3 pcs. M4 screws

Weight: Approx. 340 gram. Excl. the cable

Wiring:

Color Channel plug

Green +5V 2

Black CH1 3

Yellow 0V 4

Blue CH2 5

Red +5V 6

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Approval:

The shaft encoder has been tested and granted Ex and EMC approval.The Ex-approval is EX d IIA T3.Ex certificate number is CE991209.

Package:

Cross Weight Dimension

340g/case of 1 186x157x29mm/case of 1

Important:

The products should be used in compliance with applicable country, province and local Laws and regulations. Products selection should be based on physical Specifications and limitations and compatibility with the environmentand materials to be handled. HONGYANG makes no warranty of fitness for a particular use. All illustrations and Specifications in this literature are based on the latest products information ilable at the time of publication,HONGYANG reserves the right to make changes at any time in price, materials. Specifications and models and to discontinue models without notice or obligation.

tive bolt made of metal; Take out the metal; Turn the regulative bolt clockwise, each grid reduce 1cm3; Calibrate discharge result used standard gauge instrument, reassemble if accuracy is right. Usage and Maintenance As few in domestic fuel dispenser, the troubleshooting of double piston measurement transducer consult the methods of four-piston measurement transducer or maintain according to the user’s manual provided by manufacturer. Some difficult trouble should consult with special mechanician from factory. Every time of adjusting measurement transducer should be operated by the metrology appraisal agency exclusive, whatever structure and model. Troubleshooting also need to be authorized and content by the agency, even to be appraisal and lead seal. Article IV Nozzle Nozzle is a terminal of fuel dispenser’s hydraulic system, which is tool used to refuel into tank and other container. Thus, nozzle should be characterized, by technically, as simple operation, less losses in pressure, stable flow, adjustable, good sealbility and safety. Nozzle includes general nozzle, auto-shut nozzle and nozzle with vapor recovery device. The first type is once widely used in fuel dispenser industry, even still employed currently. With the development and demand in fuel dispenser’s technology auto-shut nozzle become available in manufacturer of fuel dispenser, as this type of nozzle add auto-shut function on the basis of general nozzle. In the current years, some manufacturers fuel dispenser have mounted vapor recovery device to nozzle, but its market share is still small. Here introduce them except the last type. General nozzle This kind of nozzle once widely used in filing station is still adapted. 1.1 Structure As illustrated in Diagram 2-27, it consist of nozzle body, main valve, vice valve, nozzle, switch handle. Diagram 2-28 shows exploded drawing. 1-Nozzle body 2-Cap 3-Spring 4-Seal 5-Main valve 6-Assistant valve 7-O-ring 8-Spout 9-Nut 10-Pin axis 11-Switch handle 12-Glang nut 13-Supporing gasket 14-Ejec fuel dispenser fuel dispenser

are large numbers and are the intermediate values sent across the　　 communication link encrypted under a default DES key. Knowledge of a q R　　 S and even the default DES key is not sufficient to discover r s or KD.　　 Note that the KD value is different for every COPT in the site because it is based on　　 random numbers r and s and is different every time the calculations are　　 performed even if by the same COPT. The latter facilitates replacement of a suspected　　 compromised key.　　 To break this method requires an iterative approach and boils down to which value of　　 r in the calculation mod q(a to the r) produces R . In addition to discovering　　 r a successful penetration would also have to discover s .　　 The KD is then manipulated by the Function f() to produce a DES key which we term　　 the Key Exchange Key (KEK). The KEK is used to encrypt and decrypt derivation　　 keys which are shipped from the controller to the COPT to be used for DUKPT　　 operation.　　 Below are the exchange sequences needed to initialize the COPT and to send　　 encrypted data to the controller.　　Key Exchange Sequence　　 COPT CD　　1. Loads version number into the　　 fuel dispenser version_number data field and generate a　　 DMK Default Master Key from it. This　　 version_number is read-only.　　2. Read version_number from COPT and　　 generate the DMK Default Master Key.　　FP2_1.90 IFSF STANDARD FORECOURT PROTOCOL February 2006　　 COMMUNICATION SPECIFICATIO fuel dispenser fuel dispenser

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