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

--- --- 1

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.

ds of gear pumps. The following introduce cycloidal gear pump: Diagram 2-8: Two kinds of internal gear pumps Gear pump structure Diagram 2-9 is an exploded drawing for inner cycloidal gear pump. Inner cycloidal gear pump mainly composed of frame, gear-group, overflow valve, strainer, pump cover subassembly, etc. pump chamber is cylinder-shape in which strainer is installed at inlet of oil. Overflow valve and pump is in parallel connection. Concentric installation is between pump chamber and exterior gear-group, between inner gear and principal axis. But inner gear and outer gear is assembled centrifugally. Principal axis drives gear-group rotate. Gear pump has two chambers --- pressure oil chamber that discharge oil and suction chamber that suck oil—which are not connectable. When gear pump operating gear-group rotate anticlockwise at view of pump cover direction. Delivery pressure depends upon the adjustment of overflow valve, laden degree and inner penetration. In the process of nozzle open, small fuel dispenser oil resistance, overflow valve is in low status of openness. However, as nozzle turn down or large oil resistance and pressure, the spring of overflow valve move sideward, increasing openness so that more oil flow into negative chamber. The outlet pressure of pump keeps under 0.3Mpa. Working principle of overflow valve The outlet of overflow valve is the interface in where pressured oil chamber pass into suction chamber. The overflow valve play role as a protection to restrict the highest pressure in hydraulic system and to adjust delivery volume of fuel dispenser. Its structure is illustrated in Diagram 2-9. Motor driving pump starting work, the pressured oil from pressure area flow into vapor-separator and overflow valve outlet via pump outlet. Given switch nozzle, part of oil flow out of pipe of vapor separator, another part of oil flow into suction chamber via overflow valve with small openness. Ho fuel dispenser wever, as close down nozzle, pressured oil overcome spring bounce under high pressure in hydraulic s fuel dispenser

An ART of 0000 is not allowed.　　 Default ART value is 0001.　　 Examples:　　 Amount = 1234.56 ART=0001 Result = 1234.56　　 0001 is the default value and as the last four digits 3456　　 are a multiplication of 1 no rounding updown occurs.　　 Amount = 0123.45 ART=0002 Result = 0123.46　　 The last four digits 2345 must be rounded updown by　　 two. As there are 2 numbers the same distance apart which　　 are a multiple of 2 2344 and 2346 the original value is　　 rounded up.　　 Amount = 1234.56 ART=0005 Result = 1234.55　　 As the nearest (multiple of 5) value to the original 3456　　 is 3455 in this case the original value is rounded down.　　 Amount = 1234.56. ART=0010 Result = 1234.60　　 As the nearest (multiple of 10) value to the original 3456　　 is 3460 in this case the original value is fuel dispenser rounded up.　　 Please note that dispensers that do not permit this Data_Id　　 to be changed remotely should:　　 Reject any write attempts with a Data_ACK value of　　 2 (Read OnlyNot Writable).　　 Must set the Data_Id to the hard-coded value.　　 When a master resetcold start occurs on the dispenser　　 device the dispenser should reset this Data_Id to its　　 default value.　　 PCD Handling:　　 Where the proprietary pump connected to the PCD can　　 not support this rounding mechanism directly the PCD　　 will have to treat this Data_Id as having a hardcoded and　　 unchangeable value. (See above for more explanation).　　March 2006 IFSF - STANDARD FORECOURT PROTOCOL FP31_2.23　　 fuel dispenser fuel dispenser

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