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Unit-type electronic equipment

A technology of electronic equipment and unit type, applied in the direction of electrical program control, comprehensive factory control, instruments, etc., can solve the problems of slow unit start-up time, assembly errors, long waiting time, etc., and achieve reduction of hardware components, simplification of software, assembly Effect of Ease of Improvement

Active Publication Date: 2015-01-21
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, there is a problem that the number of parts such as a connection bus for connecting between units and an address setting switch for identifying a connection position of a subunit increases.
[0014] In addition, as the structure of the main unit and the sub-unit, the installation position is restricted by the structure of the unit on the back plate and the type of the unit, and when the user assembles the unit, there is a problem that an assembly error occurs due to the restriction.
[0015] In addition, in the existing unit-type electronic equipment, the software that executes the function of reading the setting information of the address setting switch by the sub-unit (step S109), executes the software that reads the position information of the sub-unit by the main unit and the communication unit, and The software structure of the type function (steps S105 and S106) is complicated, and since the waiting time of each unit is long, there are problems that the start-up time of the unit is slow, and the initialization time until the acquisition of measurement data, etc. increase

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment approach 1

[0034] Next, use figure 1 and figure 2 , The first embodiment of the present invention will be described.

[0035] figure 1 It is a schematic configuration diagram showing an example of an arrangement of a master unit as a master unit and a plurality of subunits as a slave unit in a unit-type electronic device. As shown in the figure, in the unit-type electronic device 1, as the master unit The master unit 2 is located at the left end of the figure, and a plurality of subunits 3, 4, 5,... N6 as slave units are sequentially located on the right side of the figure of the master unit 2 to be arranged separately.

[0036] in figure 1 Among them, a plurality of sub-units 3, 4, 5, ... N6 as slave units are, for example, sub-units for digital input and output, sub-units for analog input, collection of measured quantities such as power measurement and collected Multiple measurement sub-units, etc., where the measured quantity data (measured quantity data) is stored.

[0037] The main un...

Embodiment approach 2

[0056] Next, use image 3 The second embodiment of the present invention will be described. image 3 It is a block diagram showing another example of the connection method between the main unit and the plurality of sub-units and the connection method in each unit. In addition, the schematic structure is the same as that of Embodiment 1. figure 1 Similarly, this schematic structure shows an example of an arrangement of a master unit as a master unit and a plurality of subunits as a slave unit in a unit-type electronic device.

[0057] In the second embodiment, compared with the first embodiment, it is possible to further reduce the number of bus lines 11, 12, and 13 for connection between units.

[0058] in image 3 In the main unit 2, there is a microcomputer 7 and a connection bus 11, and the subunit 3 has a microcomputer 8, a characteristic voltage setting unit 14, a connection bus 12, and a DC power supply DC345N. The subunit 4 and the subunit 5 have the same structure as the s...

Embodiment approach 3

[0062] Next, use Figure 4 ~ Figure 7 The third embodiment of the present invention will be described. Figure 4 It is a schematic configuration diagram showing an example of an arrangement of a master unit as a master control unit, a communication unit as a master control unit, and a plurality of subunits as a slave unit in a unit-type electronic device, Figure 5 It is a structural diagram showing an example of the connection method between the main unit, the communication unit and the multiple sub-units and the connection method in each unit, Image 6 It is an operation explanatory diagram that illustrates the operation of the flowchart, Figure 7 It is an operation explanatory diagram showing an example of the operation in a time sequence chart.

[0063] This embodiment is an example in which the method of embodiment 1 or embodiment 2 can be used to arbitrarily set the connection position of the communication unit as the main control unit, as a method for each sub-unit to ident...

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Abstract

The invention provides unit-type electronic equipment which is composed of a main unit and multiple subunits and allows reduction of hardware composition elements, simplification of software, and improvement of assembling easiness. The unit-type electronic equipment comprises the multiple subunits (3...). The multiple subunits are all subordinate units having micro computers (8...) which collect and store measured amounts, and individual voltage setting parts (14...) which output individual voltages. The output voltages of all the individual voltage setting parts of the multiple subunits are mutually different voltage levels (V14...), and the output voltages of the different voltage levels are detected by a micro computer (7) of the main unit. Based on the output voltages of the different voltage levels, the micro computer of the main unit identifies the respective types of the multiple subunits.

Description

Technical field [0001] The present invention relates to a unit-type electronic device, which is composed of a master unit as a master unit and a plurality of subunits as slave units, and is used, for example, in the case of measuring a measured quantity such as power energy of an AC circuit. Background technique [0002] In the existing modular electronic equipment and other unit-type electronic equipment, the main unit generates address number 0 and outputs it to the adjacent sub-unit, and the sub-unit that receives the address number outputs the number that adds 1 to its own address number , After repeating the same action, set consecutive address numbers starting from 0 for all connected sub-modules to identify each sub-unit. (For example, refer to Patent Document 1). [0003] In addition, in the existing unit-type electronic equipment, the master unit as the master control unit is composed of one unit, which is a fixed connection position, and the subunit as the slave unit is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/41835
Inventor 坂本直聪
Owner MITSUBISHI ELECTRIC CORP
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