U204-A Keypad

U204-A Keypad

Features:

Adopt ITO material, water-proof design

Oil-proof,ultraviolet-ray-proof

Running normally on the condition of -40to+55degree

Gilding bottons shrapnel

Weight:230g

100% Factory Tested.

. Inlet pressure labeled as P1, annular passage labeled as P2 that is equivalent to the P1. fuel dispenser Diagram 2-18 the working principal drawing of metal piston measurement transducer Diagram 2-18 a: piston 1 reaches the furthest point. The side window of cylinder 1 is entirely opened by piston 1. The oil in the centre oblong chamber flows into the top of piston 4, its pressure P1. At the same time, piston 3 reaches the nearest point, annular groove overlap with the side window of piston 3, making it connected with the elliptical outlet at the upper cylinder. (See diagram 2-17). Meanwhile, Piston 2 impels oil into annular passage and discharge out via the side window of Piston 3 and top elliptical window. In the status, piston 2 and piston 4 lie in cross-bencher position, covering the windows 2 and 4 respectively. Their top pressures are P1 and P2, P1 ＞P2. Owing to the different pressure, piston 2 leaves the center, but piston 4 reaches the center. So do piston 1 and piston 3. Nylon wheel rotates clockwise, and come to the state of Diagram 2-18b after rounding 90 degree. Diagram 2-18: Working principle chart of metal piston measurement transducer Diagram 2-18 b: The piston 2 and Piston 4, respectively come to the furthest point and nearest point from ‘a�?state under the different pressure. However, the Piston 1 and Piston 3 reach cross-bencher position. This progress as followed: Piston 2 open the side cylinder window, making oil flow into the top of Piston 1. Piston 4 gradually opens the side cylinder window and elliptical window, and Piston 3 drive oil out of measurement transducer via annular passage. Starting from the ‘b�?status, Piston 1 and Piston 3 move from the cross-bencher position to the nearest point or the furthest point, respectively. So do Piston 2 and Piston 4. Nylon wheel rotates clockwise, and come to the state of Diagram 2-18b after rounding 90 degree. Diagram 2-18 c: The piston move progress is similar to the state of Diagram 2-18b. Nylon wheel rotates clockwise, and come to the sta fuel d fuel dispenser ispenser

CECOD Echelon NACS and NRF and the IFSF member oil companies.　　 Any comments or co fuel dispenser ntribution to this or any other Engineering Bulletin is welcome.　　 Please e-mail any comments or contributions to techsupport@ifsf.org. The IFSF is　　 particularly anxious that any known errors or omissions are reported promptly so that　　 the document can be updated and reissued and remain a useful and working practical　　 publication.　　1.2 Scope and Version History　　 The scope of this Engineering Bulletin is the cables cabling and cable connectors　　 required for implementation around a service station forecourt and into the associated　　 building. This Engineering Bulletin supersedes Version 2.11 published in November　　 2000.　　 Version 2.11 updated the contact details for the IFSF Echelon and BT Electronics.　　 Version 2.12: In this version:　　 - Section 5.2 reference to web sites added.　　 - Section 5.2.4 added.　　 - Appendix E added.　　 Version 2.13 addition of information on TCPIP cable Appendix F.　　1.3 Definitions　　 IFSF International Forecourt Standards Forum　　 FTT Free Topology Transceiver　　Version 2.13 Page 1 of 24 December 2004　　IFSF ENGINEERING BULLETIN NO. 1 CABLES CABLING and CABLE CONNECTORS　　 Local Loop A loop of bus cable that exits from a junction box　　 interconnects with a node and returns to the junction box.　　 Pass-Thru A junction box at which wires are spliced and to which no　　 nodes are connected.　　 A junction box containing the single 52.3 �?LONWORKS庐　　 Primary Junction Box　　 terminator resistor.　　 PJB fuel dispenser fuel dispenser

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