U501-C Pulse sensor

U501-C 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 TATSUNO meter and other meters whose pulse per circle is 60 or 100.

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: 50 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

Green +5V 2

Black CH1 3

Yellow 0V 4

Blue CH2 5

Red +5V 6

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Package:

Cross Weight Dimension

150g/case of 1 130x100x15mm/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-C 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 lable 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.

l gear pump Trouble and Maintenance The mainly troubleshooting and failure about pump presents in Table 2-1. Table 2-1 Troubleshooting Serial No. Failure Failure reasons Solutions 1 No delivery or inefficient discharge Exterior elements: Motor stick; motor reversal; Sliding V belt; no oil in tank; pipe jammed; Check motor and its wiring; tighten V belt; inspect tank; dredge pipeline. Gear being stuck Clean waste in pump chamber Waste in outlet of overflow valve Disconnect overflow valve lid fuel dispenser and clean waste; Leakage on valve Check oil gro fuel dispenser ove Overweary gear or bearing Replace gears or bearing 2 Large noise or tremble Exterior reasons: Too long horizontal distance between fuel dispenser and tank; many elbow on inlet pipe; waste jam pipe; small diameter of pipe Dealt with in design and construction Intensive pressure Decrease thickness of pressured ring Overflow valve is stuck Clean waste and burr Overweary gear or bearing Replace gears or bearing 3 Inner leakage Overweary gears Replace gears Leakage on frame seal Frame seal disabled Replace frame seal Leakage on fuel dispenser pump body or joint face O-ring disabled Substitute seal ring 2.5 Important notices in operation Often inspect the rotation of pump axis, leakage, abnormal noise, vibration on V wheel and lose bolt that tight pump key. Regularly clean strainer. The tightness of V wheel should be appropriate, neither too tight nor too loose. These V wheels of motor, pump and adjusting driven wheel should be in parallel level. Don’t adjusting overflow valve spring too tights in case that result in high pressure of hydraulic system, increase noise and vibration so as to enhance pump abrasion. Prohibit suck water or oil with much water. Strictly abide by the operation requirements on explosive atmosphere. Submersible pump In China filing stations recently begin to adopt submersible pump as the power resource of fuel dispenser. Submersible pump gen

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y, which was given the shares of Mr Kamprad in 1982. Stichtingen, or foundations, are the most common form of not-for-profit organisation in the Netherlands; tens of thousands of them are registered. Most Dutch stichtingen are tiny, but if Stichting Ingka Foundation were listed it would be one of the Netherlands ten largest companies by market value. Its main asset is the Ingka Holding group, which is conservatively financed and highly profitable post-tax profits were �.4 billion ($1.7 billion)—an impressive margin o fuel dispenser f nearly 11% on sales of �2.8 billion—in the year to A fuel dispenser ugust 31st 2004, the latest year for which the group has filed accounts. Valuing the Inkga Holding group is awkward, because IKEA has no direct competitors that operate globally. Shares in Target, a large, successful chain of stores in the United States that makes a fifth of its sales from home furnishings, are priced at 20 times the store s latest full-year earnings. Using that price earnings ratio, the Ingka Holding group is worth �8 billion ($36 billion). This is probably conservative, given IKEA s growth prospects. Sales—the only financial information that IKEA releases—fo fuel dispenser r the year to August 31st 2005 were �4.8 billion, 15.6% up on a year earlier. And there is plenty of scope for more stores. Ingka Holding has only 26 outlets in America. By contrast, in Europe, a market of comparable size, it has over 160, accounting for more than 80% of its total turnover. In April IKEA opened its first store in Japan. If Stichting Ingka Foundation has net worth of at least $36 billion it would be the world s wealthiest charity. Its value easily exceeds the $26.9 billion shown in the latest published accounts of the Bill & Melinda Gates Foundation, which is commonly awarded that accolade. Measured by good works, however, the Gates Foundation wins hands down. It devotes most of its resources to curing the diseases of the world s poor. By contrast the Kamprad billions are dedicated to “innovation in the