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.

scharge, turn anticlockwise to increase discharge; reassemble hand wheel pin and lead-seal it after adjustment. Common failure and Troubleshooting The main failure of four-piston measurement transducer includes outside leakage and a fuel dispenser ccuracy decline. As appear outside leakage, all seal sections should be inspected. Generally, failure will be solved through removing damaged or aging sealed components. Diagram 2-22: working principle of four-piston measurement transducer Through long time of operation, the accuracy of measurement transducer is declined due to various abrasion occurred on cam, ideal wheel, distributing valve, valve seat, and piston. From start, regulating adjusting wheel makes the accuracy meet the requirements about national metrology appraisal. If still can’t reach the wanted accuracy, some abrasion examinations should be conducted, including components of piston, distributing valve and valve seat. These components surfaces are fragile to be scratched by hard grain, increasing inner leakage and accuracy decline. If appear above situation, replace piston or grind the surfaces of distributing valve and valve seat. Double soft piston measurement transducer The article will introduce the structure, working principle and maintenance. Structure This type of m fuel dispenser easurement transducer has two soft pistons, smaller than four-piston type. Appearance and partial cutaway view is illustrated in Diagram 2-23, structure and key components in Diagram 2-24. Diagram 2-23: Cutaway view and figure of four-piston measurement transducer It has two pistons formed a 120 degree angle, driven by connecting rod that force crankshaft moving. Component cylinder is installed in parallel. The two rolling bearings respectively fuel dispenser installed on connecting rod and crankshaft reduces the friction. The end of connecting rod contacts with bushing. The oil discharge is controlled by distributing valve that communicating with inlet and outlet. On the top of distributing valve mounted a bearing used for installing cranks

ges　　The POS creates a reversal advice message (1420) in order to cancel a previous transaction.　　This is done when the completion of a previous transaction is uncertain. The host responds　　(1430) to acknowledge that the transacti fuel dispenser on has been reversed.　　The contents of the reversal request message are defined in Table 25. The content of the　　response message is in Table 26.　　Note: Since the reversal request may be for a message that was never processed by the　　host this fact must be taken into account during reconciliation.　　 Wednesday 10 May 2006 - Revision 03　　Document title　　IFSF POS to FEP Interface　　Section Page　　Message Content 60178　　 Table 26 Reversal advice (1420)　　Element Data element name Format Attribut Usage notes　　number e　　 1 Second bit map b 8 Conditional (see ISO 8583)　　 2 Primary account number LL fuel dispenser VAR n ..19 Conditional. If used it must contain the same　　 data as the transaction being reversed but　　 may have the value zero.　　 3 Processing code n 6 Mandatory - it must contain the same data as　　 fuel dispenser the transaction being reversed.　　 4 Amount transaction n 12 Mandatory　　 7 Date and time transmi

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