U501-B Pulse sensor

U501-B 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 70degree

RPM: Max 3000RPM

Mounting: With 3 pcs. M4 screws

Weight: Approx. 340 gram. Excl. the cable

Wiring:

Color Channel plug

Red +5V 2

Green CH1 3

Blue CH2 4

Yellow 0V 5

Package:

Cross Weight Dimension

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

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.

Ordering Specifications:

Product ID Product name

U501-B pulse sensor

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 available 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

hydraulic section of fuel dispenser is a comprehensive presentation of the applied hydrodynamics, mechanical manufacturing, engineering mechanics, engineering material, automotive control principle and metrology. The performance of hydraulic components and matching ration is symbolic of fuel dispenser. This chapter mainly introduces the structure of hydraulic components, working principle and troubleshooting of fuel dispenser, such pump, oil-air separator, measurement transducer, nozzle, oil indicator and solenoid valve. Since there are many brands of fuel dispenser that mounted different hydraulic parts it is difficult to comprehensively introduce domestic fuel dispenser’s hydraulic components. In order to facilitate the reader to better understand hydraulic components and master maintenance technique, this handbook will present the popular fuel dispenser’s structure, working principle and reparation methods. Despite different model of components there are still many similarities in their working principle. To learn the common components is conducive to know other model. As a failure phenomenon occurred by various causation, only deeply understand products one can precisely judge its trouble. Therefore, we spend a whole c fuel dispenser hapter to introduce the working principle of components. In fuel dispenser market there are many hydraulic parts with similar appearance and inner structure. Different manufacturers with different research and understanding provide various products in terms of performance and failure presentation. Readers could maintain not only according to the User’s manual provided by manufacturer, but also analyze and repair to the knowledge introduced in this chapter. Professional maintenance operator assigned by manufacturer will be asked when meeting some much difficult trouble. The hydraulic source system of fuel dispenser composes of pump and motor. By delivery model it divides positive delivery and negative delivery. The former model adopts submersible pump, us fuel dispenser ually a centrifugal pump that fuel dispenser

used to select the database from where the　　 data should be read　　 x bin8 Database Address　　 DB_Ad　　 - the recipient database address from where　　 (x = 1 to 8)　　 the data should be read　　 bin8 1 to 255 Data Identifier　　 Data_Id　　 - the identifier for the first requested data　　 element in the recipients database　　 bin8 1 to 255 Data Identifier　　 Data_Id　　 - the identifier for the second requested data　　 element in the recipients database　　 媴　　 媴　　 媴　　 bin8 1 to 255 Data Identifier　　 Data_Id　　 - the identifier for the last requested d fuel dispenser ata　　 element in the recipients database　　The data identifier Data_Id indicates the requested data fields in the addressed database　　DB_Ad. The individual forecourt device is selected by the Logical Node Address LNAR　　(S N).　　3.3.2 Answer - Message　　The general format for an ANSWER message is:　　 Message Field Field Type Value Description　　 bin8 1 to 255 Logical Node Address Recipient　　 LNAR S　　 bin8 1 to 127　　 N　　 bin8 1 to 255 Logical Node Address Originator　　 LNAO S　　 fuel dispenser fuel dispenser

of indicators to gauge short-term inflation risks, and a monetary pillar as a check on medium- to long-run risks. The monetary pillar has attracted much criticism from outside the ECB; it is often dismissed as redundant, if not confusing. It was originally intended to guard against medium-term inflation risks. More recently, Mr Issing has justified the pillar as a defence against asset bubbles, which are always accompanied by monetary excess. Mr Issing s model is at last starting to win friends abroad. Julian Callow, an economist at Barclays Capital, sees strong parallels between the Bank of Japan s (BoJ) new monetary policy framework and that of the ECB. The BoJ has said that it will track the economy from two perspectives price stability and growth one to two years into the future; and a broader assessment of medium- and longer-term risks, which is likely to include the growth of asset prices and credit. In his time at the podium at last week s conference, Kazumasa Iwata, deputy governor of the BoJ, seemed to confirm that the bank s new framework owed much to Mr Issing s legacy. Pick your monetary metaphor Unlike some central bankers, Mr Issing loves to be challenged, so he invited Don Kohn, a governor fuel dispenser of the Fed, to tackle the ECB view that a central bank should sometimes “lean against the wind�to prevent an asset bubble inflating, by tightening policy by more than inflation alone would require. Mr Kohn argued the usual Fed line because of huge uncertainties, it is too risky to respond to bubbles and therefore it is safer to “mop up�by easing policy after a bubble bursts. He tried to present the Fed s approach to asset prices as the neutral one, ie, less activist than the ECB s. But that is misleading. There is no such thing as “doing nothing� Under the Fed s approach, unfettered liquidity sustains a bubble. This link between money and asset prices is why the ECB S twin-pillar framework may be one of the best ways for central banks to deal fuel dispenser with asset prices. A gr fuel dispenser