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Communication system comprising a controller system and a master control means connected via a multipole connection means

A communication system and connection device technology, applied in the field of communication systems, can solve problems such as complexity, and achieve the effect of easy understanding and establishment

Inactive Publication Date: 2012-01-25
NORGREN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the fieldbus control system offers greater flexibility, it can present complexities due to the programming required to manage the system

Method used

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  • Communication system comprising a controller system and a master control means connected via a multipole connection means
  • Communication system comprising a controller system and a master control means connected via a multipole connection means
  • Communication system comprising a controller system and a master control means connected via a multipole connection means

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Embodiment Construction

[0032] The communication system 1 according to the invention is in figure 1 is expressed in. The communication system 1 includes a master control device 2 receiving control signals from a controller system (not shown) and a slave control device 3 . The master control device 2 receives signals from said controller system via a multipole connection device 4 . exist figure 1 The multi-pole connection device 4 shown in uses a 25-pin D-type connector 5 . The master control device 2 communicates with each slave control device 3 via addressable connection means in the form of a sub-bus operating according to the RS485 standard / protocol. The master control unit 2 has a master sub-bus connector 6 for connecting it via a sub-bus cable 7 to a slave sub-bus connector 8 on the slave control unit 3 . Thus, the master control device 2 constitutes the master node on the sub-bus (cable 7 forms part of said bus), and the slave control device 3 constitutes the slave node on said bus. The sl...

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PUM

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Abstract

A communication system comprising a controller system, a master control means (2) and at least one slave control means (3), the controller system and the master control means (2) being connected via a multipole connection means (4), the master control means (2) being adapted to receive a multipole signal via the multipole connection means (4) and outputting an addressed signal to the at least oneslave control means (3) via addressable connection means (7, 17). This application also discloses a method of controlling a plurality of fluid flow control means using an output means (40) comprisingan actuation signal arrangement means (41, 41') and an actuation means (42, 42') associated with each fluid flow control means.

Description

technical field [0001] The invention relates to a communication system, in particular to a communication system for a fluid flow control valve. Background technique [0002] It is now commonplace, for example, for all production machinery of pneumatic or hydraulic equipment to be controlled by respective directional control valves, usually in the same 'valve terminal'. It should be understood that the term 'valve island' is intended to include devices such as 'valve manifold' and the like. The valves in a valve island are usually controlled by solenoids, which receive electrical signals to cause them to actuate the associated valves. The valve island is connected to a controller system through a communication system that sends signals to control the operation of the valves on the valve island. [0003] There are two main types of communication systems commonly used; multipole and bus. In a multi-pole communication system, each valve in the valve island has a separate comm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40G06F13/40A01G25/16H05K7/14G05B19/05H04L12/403
CPCF15B13/0867H05K7/1484H04L2012/40215H04L12/403H04L2012/4026H04L2012/40234
Inventor M·达尔比M·登斯利
Owner NORGREN LTD