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.

e accuracy. Vapor separat fuel dispenser or mounted check valve should have the anti-backward flow function. Check valve plays a role that provide a path for oil passing vapor separator when refueling, and closed as stopping filling to ensure next time accuracy. Moreover, it is able to reduce hydraulic impact and strict the high pressure in hydraulic system as nozzle suddenly stopping. Here introduce the structure, working principle and troubleshooting of vapor separator generally employed. Structure Diagram 2-12, 2-13 and 2-14 are shown the structural cutaway view, exploded drawing and dimensional structure. Vapor separator is divided into these components of frame, upper cove fuel dispenser r, outlet pipe, spring seat and exhausting pipe. By function, it consists of filter device, vapor segregated device and anti-backward flow device, illustrating in Diagram 2-12 and 2-13. 1\2-Bolt 3-Elastic washer 4-Exhaust jointer 5-Upper cover 6-Valve seat 7-Upper cover gasket 8-Valve bracket 9-Small axis 10-Screw 11-Gas outlet valve unit 12-Fuel return float 13-Ball-float 14-Screw 15-Frame 16-Spring washer 17-Seal gasket 18-Filter unit 19-Bolt 20-Filter 21-Stainer net 22-Gasket 23-Filter end 24-Nut 25-Seal gasket 26-Plug 27-Check valve unit 28-Bolt 29-Gasket 30-Check valve washer 31-Check valve 32-Oil pipe 33-Seal gasket 34-Spring seat 35-Bolt 36-Spring 37-Plug 38-Return oil valve seat 39-Return oil valve 40-Spring 41-Seal gasket 42-Guider bar 43-Oil plug 44-One-way valve Diagram 2-13: Vapor separator exploded drawing Filter device: in past filter material adap fuel dispenser ts industrial felt, which is difficult to clean and has large flow resistance. Then ladies nylon is used, but this kind of material has low filter precision. Domestic manufacturer now widely adapt stainless steel filter, having advantage of anti-rust, even net holes, guaranteed filter precision and low resistance as well. Diagram 2-12 clearly shows the install position of filter. Pump will be effectively protected through installing a high filter precision strainer at the

€ã€€ previous p fuel dispenser aragraph.　　 3 Bcd4 R(1-9) O　　 Meter_Calib_Fact　　 (03H) W(1-2)　　 Specifies the meter calibration factor used by intelligent　　 pulsers and piston meters. The field format is 0.000 to　　 9.999 (the decimal point is implied and not transmitted).　　 PCD Comment:　　 As this is an optional data field the PCD can NAK any　　 write requests to this Data_Id with a Data_ACK code of 4　　 fuel dispenser (Data does not exist in this device) or reply to any read　　 request with an answer message with the respective　　 Data_Id s length set to 0.　　FP31_2.23 IFSF - STANDARD FORECOURT PROTOCOL March 2006　　 DISPENSER APPLICATION　　Page: 84　　 METER DATABASE　　 DB_Ad = M_ID (81H-90H)　　 Data Data Element Name Field Type ReadWrite MO　　 Description　　 _Id (Value) in State　　 4 Bin8 R(1-9) M　　 PR_Id　　 (04H) fuel dispenser (1-8) W(1-2)　　 Identifier of the product measured by this meter. The　　 PR_Id (value 1-8) specifies the product which is stored in　　 the Product Database PR_ID (address 41H-48H).　　 0 = no product assigned　　 1 = product in Product Database with address 41H　　 2 = pro

. The Bank plans to focus fuel dispenser on price stability and growth one to two years into the future, but also to carry out a broader assessment of medium- and longer-term risks, such as asset prices and credit growth. So, in scrapping M3, the Fed is looking like the odd man out. Research by the Bank for International Settlements has confirmed that monetary aggregates do still contain useful information. In particular, rapid growth in money and credit as well as asset prices usually signals the build-up of economic and financial imbalances, which often cause financial stress later on. Central banks cannot use the money-supply numbers as a way to set monetary policy on auto fuel dispenser pilot but they would be foolish to ignore the hazard warning lights. © 2006 .  About sponsorship European economies Europe inside out Mar 23rd 2006 From The Economist print edition The reason why Europe finds reform so hard is that insiders are too protected Reuters IF YOU want to know why Europe s governments have been so hopelessly slow at reforming their economies, waste no time assessing the platitudes about the “Lisbon agenda�at this week s European Union summit. Instead, ponder a few recent events around the continent. The streets of France have been filled with huge protests against a new labour contract the biggest so far is due on March 28th (see article). In Germany public-sector workers have staged fuel dispenser a series of protest marches over pay. Even Britain, which has reformed its economy more than most, will next week see a big demonstration against public-sector pension changes. And in Italy s rancorous election campaign, both government and opposition have been too fearful of voters to talk about the radical reforms that the country needs. What links all these things? In part, the perception that change is painful and that potential losers always shout louder t