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Flexible expandable automation device with hot-swappable i/o-units

An automated device, hot-swappable technology, used in control/regulation systems, instruments, electrical digital data processing, etc., can solve problems such as time-consuming, and achieve the effect of easy exchange

Pending Publication Date: 2019-08-13
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in known daisy-chain I / O cell arrangements, swapping the functional parts of the I / O cells requires power down and system reset, which is time consuming and laborious

Method used

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  • Flexible expandable automation device with hot-swappable i/o-units
  • Flexible expandable automation device with hot-swappable i/o-units

Examples

Experimental program
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Embodiment Construction

[0023] Such as figure 1 The flexible and scalable automation device 1 shown in is a PLC (Programmable Logic Control) system. It consists of a main control unit 2 which includes at least a PLC controller and which may include further functional units, for example for communicating with a superior and / or subordinate communication network such as any kind of serial or parallel A communication coupler for communication via a communication bus, field bus, or Ethernet, or a wireless communication link to a superordinate DCS system or to operator control equipment, or the Internet). It can also include built-in I / O functional units with termination fixtures to receive signal lines from real-world field devices.

[0024] In order to increase the I / O capability, the flexible and scalable automation system 1 has a plurality of additional I / O units 3 , 4 , 5 . These multiple additional I / O units 3, 4, 5 are at least signally connected in a daisy-chain configuration using an I / O bus wor...

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PUM

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Abstract

The invention is about a flexible expandable automation device, having a main control unit, having further at least two I / O-units, said I / O-units being connected to the main control unit and to each other via an I / O-bus, said I / O-bus working according to the daisy-chain technique, wherein the I / O-bus has a bus signal line and a daisy-chain-control-line (8), wherein each I / O-unit has a daisy-chain-control-IN-port which is configured to receive a daisy-chain-control-signal as daisy-chain-control-IN-signal and a daisy-chain-control-OUT port which is configured to deliver the daisy-chain-control-signal as daisy-chain-control-OUT-signal to the next adjacent I / O-unit. Each I / O-unit has an I / O-module carrier and a pluggable and unpluggable I / O-module, wherein the daisy-chain-control-IN-port and the daisy-chain-control-OUT-port are part of the I / O-module carrier, and each I / O-module-carrier has a hot-swap-control unit, said hot-swap control unit being configured, in case of an unplugged I / O-module, to automatically bridge the interrupted daisy chain.

Description

technical field [0001] The invention relates to a flexible and scalable automation device, according to the preamble of claim 1, which has a main control unit and also has at least two I / O units connected via an I / O bus to the main control unit and each other, the I / O bus works according to the daisy-chain technique, where the I / O bus has bus signal lines and daisy-chain control lines, where each I / O unit has a daisy-chain control IN port configured to receive a daisy-chain control signal as a daisy-chain control IN signal, and a daisy-chain control OUT port configured to communicate to a next adjacent I The / O unit passes the daisy chain control signal as the daisy chain control OUT signal. Background technique [0002] Flexible and scalable automation systems are also known as programmable logic control systems or PLC systems for short. They are suitable for a wide variety of automation tasks and are used, for example, in the field of industrial automation technology and...

Claims

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Application Information

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IPC IPC(8): G06F13/40G06F13/42
CPCG06F13/4081G06F13/4247G05B19/054G06F13/4027
Inventor T.卡尔布A.贝拉特雷切J.A.萨拉斯-桑切斯S.豪格
Owner ABB (SCHWEIZ) AG
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