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Modular field device connection unit

A field device and connection unit technology, applied in the direction of connection, connection device parts, electrical equipment construction parts, etc., can solve problems such as loading errors

Active Publication Date: 2015-01-14
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, wrongly inserting the device with the wrong plug-in unit specified by the configuration can cause serious errors in the field device connection unit

Method used

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  • Modular field device connection unit
  • Modular field device connection unit
  • Modular field device connection unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] figure 1 The field device connection unit is shown in a perspective view, which has a base plate 1 on which a plurality of connection elements 3 for connecting connecting lines to field devices and a plurality of plug-in points for receiving a plug-in unit 2 are arranged. Each plug-in unit 2 is assigned to a connecting element 3 . The connecting element 3 has terminal screws 31 for connecting connecting lines to field devices.

[0030] Furthermore, the base plate 1 is equipped with further terminal screws 11 for connecting connecting lines to higher-level control components.

[0031] figure 2 The field device connection unit is shown in a perspective view with the same reference numerals used for the same components, wherein a plug-in unit 2 is pulled out.

[0032] Corresponding to the respective connected field device, plug-in unit 2 has different circuit arrangements, each of which belongs to a specific field device type. In this case, the connectable field devic...

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PUM

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Abstract

An exemplary field device connection unit includes a base plate on which a plurality of connection elements for connection of connecting lines with field devices and a plurality of module slots for receiving in each case one plug-in unit of different plug-in unit types. To avoid erroneous configurations, an identical type coding is assigned to the plug-in units of the same plug-in unit type, which identical type coding is formed by a plurality of wedge-shaped code elements which are anchored rigidly in the plug-in unit, and a plurality of wedge-shaped code elements are assigned to each module slot, which wedge-shaped code elements are mounted moveably about a rotary spindle between two opposite stops and whose wedge tips are oriented, in an initial rest position, centrally between the stops.

Description

technical field [0001] The invention relates to a modular field device connection unit for the electrical connection of field devices and control components in automation technology installations. Background technique [0002] The field of application of the invention extends in principle to all field devices in the field of automation technology as technical devices directly related to the production process. Such field devices can be actuators in plant and process automation, such as adjusting mechanisms or valves, as well as sensors, such as measuring transducers. These field devices are connected to a higher-level control system by means of connecting lines—in most cases via a fieldbus. The data are thus exchanged and then used for regulation, control and further processing. Communication standards frequently used as fieldbuses are CAN, HART, PROFIBUS, or can also be based on Ethernet, Profinet, IP. [0003] Furthermore, the field devices, in particular 4-20 mA device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/0423G05B2219/25314G05B2219/23349H01R13/642H05K7/1455H01R13/645H01R13/514G05B19/4188
Inventor P·雅各布松
Owner ABB (SCHWEIZ) AG