JP2017022946A - Control panel and update method for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a control panel which can make a relay panel unnecessary at the time of update.SOLUTION: A control panel comprises: an IO base to be formed so as to be connected to an existing external wire cable connected to an input section of equipment to be controlled; an IO card connected electrically to the input section of the equipment when the IO card is connected to the IO base; and an interface base formed so as to be connected to an additional eternal wire cable which is connected to an output section of an existing control panel and connected electrically to the input section of the equipment by being connected to the IO base in a state to be connected to the additional external wire cable.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a control panel and a control panel updating method.

  Patent Document 1 discloses a control panel update method. In the update method, the control panel is updated using a relay panel or the like.

Japanese Patent No. 3588793

  However, in the updating method described in Patent Document 1, the construction period becomes long in the installation of a relay panel or the like.

  The present invention has been made to solve the above-described problems. An object of the present invention is to provide a control panel and a method for updating the control panel that can eliminate the need for a relay panel when updating.

  The control panel according to the present invention includes an IO base formed so as to be connected to an existing external cable connected to an input unit of a facility to be controlled, and an input unit of the facility when connected to the IO base. It is formed so that it can be connected to an electrically connected IO card and an additional external cable connected to the output part of the existing control panel, and connected to the IO base in a state of being connected to the additional external cable. And an interface base electrically connected to the input part of the facility.

  The control panel update method according to the present invention includes an existing external cable connection step of connecting an existing external cable connected to an input unit of a controlled equipment to an IO base of the new control panel, and an IO card of the new control panel. An IO card connection step for electrically connecting the IO card to the input part of the equipment by connecting to the IO base, and an additional external cable connected to the output part of the existing control panel for the interface of the new control panel An additional external cable connecting step for connecting to the base, and an interface for electrically connecting the interface base to the input portion of the facility by connecting the interface base connected to the additional external cable to the IO base. Base connection process, control of the equipment by the existing control panel, and the equipment by the new control panel With a facility control step of performing a control, and a additional external cable removal step of removing the additional external cable from the new control panel.

  According to these inventions, the control panel is updated using the additional external cable. For this reason, a relay board can be dispensed with when updating.

It is a perspective view of the installation with which the update method of the control panel in Embodiment 1 of this invention is applied, and an existing control panel. It is a perspective view of the installation with which the update method of the control panel in Embodiment 1 of this invention is applied, an existing control panel, and a new control panel. It is a perspective view of the new IO unit of the new control panel to which the control panel update method in the first embodiment of the present invention is applied. It is a disassembled perspective view of the newly installed IO unit of the newly installed control panel to which the control panel updating method according to the first embodiment of the present invention is applied. It is a wiring diagram at the time of applying the update method of the control panel in Embodiment 1 of this invention. It is a disassembled perspective view of the new IO unit of the new control panel to which the control panel update method in the second embodiment of the present invention is applied. It is a wiring diagram at the time of applying the control panel update method in Embodiment 2 of this invention.

  A mode for carrying out the invention will be described with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the part which is the same or it corresponds in each figure. The overlapping explanation of the part is appropriately simplified or omitted.

Embodiment 1 FIG.
FIG. 1 is a perspective view of an equipment to which a control panel updating method according to Embodiment 1 of the present invention is applied and an existing control panel.

  In FIG. 1, the equipment 1 to be controlled and the existing control panel 2 are provided in a plant or the like.

  The existing control panel 2 includes an existing casing 2a, an existing door 2b, a pair of existing middle pillars 2c, an existing electric appliance mounting panel 2d, a plurality of existing IO units 2e, and an existing power supply mounting panel 2f.

  The external shape of the existing housing 2a is formed in a rectangular parallelepiped shape. The front surface of the existing housing 2a is opened. The existing door 2b is provided on the front surface of the existing housing 2a. The pair of existing middle pillars 2c are provided on the inner side of the existing casing 2a. Each of the pair of existing middle pillars 2c has a vertical direction as a longitudinal direction.

  The existing electrical appliance mounting panel 2d is mounted across the lower portions of the pair of existing middle pillars 2c. The plurality of existing IO units 2e are arranged in the horizontal direction. The plurality of existing IO units 2e are mounted across the central part of the pair of existing middle pillars 2c. The existing power supply mounting panel 2f is mounted over the upper portions of the pair of existing middle pillars 2c.

  One side of each of the plurality of existing external cables 3 is connected to each of the input portions of the facility 1. The other side of each of the plurality of existing external line cables 3 is connected to an output unit in each of the plurality of existing IO units 2e.

Next, control panel update will be described with reference to FIG.
FIG. 2 is a perspective view of equipment to which the control panel updating method according to Embodiment 1 of the present invention is applied, an existing control panel, and a new control panel.

  As shown in FIG. 2, the new control panel 4 includes a new housing 4a, a new door 4b, a pair of new middle pillars 4c, a new electric appliance mounting panel (not shown), a new IO 4d, and a new power supply mounting panel (not shown).

  The external shape of the new housing 4a is formed in a rectangular parallelepiped shape. The front surface of the new housing 4a is opened. The new door 4b is provided on the front surface of the new housing 4a. The pair of newly installed middle columns 4c are provided on the inner side of the newly installed casing 4a. Each of the pair of newly installed middle columns 4c has a vertical direction as a longitudinal direction.

  The new electrical appliance mounting panel is mounted across the lower portions of the pair of new middle pillars 4c. The new IO 4d is mounted across the center of the pair of new middle pillars 4c. The newly installed power supply panel is mounted across the upper portions of the pair of newly installed middle columns 4c.

  The new IO 4 d includes a plurality of new IO units 5. The plurality of new IO units 5 are arranged in the horizontal direction. Each of the plurality of new IO units 5 includes a new IO base 5a, a new IO card 5b, and a new interface base 5c.

  The new IO base 5a is fixed to the front surface of the new IO 4d. The new IO card 5b is detachably fixed to the front surface of the new IO base 5a. The new IO card 5b is electrically connected to the new IO base 5a when it is fixed to the front surface of the new IO base 5a. The new interface base 5c is detachably fixed to one side surface of the new IO base 5a. The new interface base 5c is electrically connected to the new IO base 5a when fixed to one side of the new IO base 5a.

  When the control panel is updated, the other side of each of the plurality of existing external cables 3 is connected to each of the plurality of new IO bases 5a. One side of each of the plurality of additional external cables 6 is connected to an output unit in each of the plurality of existing IO units 2e. The other side of each of the plurality of additional external line cables 6 is connected to each of a plurality of new interface bases 5c.

  In this state, a system test is performed. Specifically, the control of the facility 1 by the existing control panel 2 and the control of the facility 1 by the new control panel 4 are sequentially performed. For example, the existing control panel 2 and the new control panel 4 sequentially transmit preset command signals to the facility 1. At this time, the new control panel 4 compares the control result by the existing control panel 2 with the control result by the new control panel 4.

  When the comparison result between the control result by the existing control panel 2 and the control result by the new control panel 4 is assumed, the new control panel 4 determines that its own setting is correct. At this time, the new control panel notifies that its own setting is correct. For example, the new control panel displays that it is correct by a display unit (not shown).

  In this case, the worker removes the plurality of additional external cables 6 from the new control panel. Specifically, the worker removes each of the plurality of new interface bases 5c from each of the plurality of new IO bases 5a. Thereafter, the worker removes the existing control panel 2, the plurality of new interface bases 5c, and the plurality of additional external cables 6.

Next, details of the new IO unit 5 will be described with reference to FIG.
FIG. 3 is a perspective view of a new IO unit of a new control panel to which the control panel update method according to the first embodiment of the present invention is applied.

  As shown in FIG. 3, in the new IO unit 5, the external shape of the new IO base 5a is formed in a rectangular parallelepiped shape. The new IO base 5a includes a first external terminal block 7a. The first external line terminal block 7a is provided on one side of the front surface of the new IO base 5a. The first external line terminal block 7a includes a plurality of first connection portions 8a. Each of the plurality of first connection portions 8 a is connected to each of the plurality of first core wires 3 a in the existing external cable 3. The new IO card 5b is detachably connected to the other side of the front surface of the new IO base 5a. The new interface base 5c includes a second external terminal block 7b. The second external line terminal block 7b is provided on the front surface of the new interface base 5c. The second external terminal block 7b includes a plurality of second connection portions 8b. Each of the plurality of second connection portions 8 b is connected to each of the plurality of second core wires 6 a in the additional external line cable 6.

Next, the assembly of the new IO unit 5 will be described with reference to FIG.
FIG. 4 is an exploded perspective view of a new IO unit of the new control panel to which the control panel update method according to the first embodiment of the present invention is applied.

  As shown in FIG. 4, the new IO base 5a includes a first card connector 9a and a first cable connector 10a. The first card connector 9a is provided on the other side of the front surface of the new IO base 5a. The first cable connector 10a is provided on one side of the new IO base 5a.

  The new IO card 5b includes a second card connector 9b. The second card connector 9b is provided on the new IO base 5a side in the new IO card 5b. The new interface base 5c includes a second cable connector 10b. The second cable connector 10b is provided on the new IO base 5a side in the new interface base 5c.

  When the new IO card 5b is attached to the new IO base 5a, the first card connector 9a and the second card connector 9b are fitted together. As a result, the new IO card 5b is electrically connected to the new IO base 5a.

  When the new interface base 5c is attached to the new IO base 5a, the first cable connector 10a and the second cable connector 10b are fitted together. As a result, the new interface base 5c is electrically connected to the new IO base 5a.

Next, electrical connection will be described with reference to FIG.
FIG. 5 is a wiring diagram when the control panel updating method according to the first embodiment of the present invention is applied.

  As shown in FIG. 5, the existing IO unit 2e includes an additional external cable 6, a second external terminal block 7b, a second cable connector 10b, a first cable connector 10a, a first external terminal block 7a, and an existing external cable 3. And are electrically connected to the facility 1 via

  The new IO card 5b is electrically connected to the facility 1 via the second card connector 9b, the first card connector 9a, the new first external line terminal block 7a, and the existing external line cable 3.

  According to the first embodiment described above, the control panel is updated using the additional external cable 6. For this reason, a relay board can be dispensed with when updating. At this time, the construction period for updating the existing control panel 2 to the new control panel 4 is shortened. As a result, a sufficient system test period can be secured.

  According to this update method, a system test using the new control panel 4 can be performed while the control using the existing control panel 2 is being performed. As a result, the stop period of the facility 1 by the system test can be shortened.

  The new interface base 5c is detachably provided on the new IO base 5c. For this reason, the existing control panel 2 can be quickly separated from the new control panel 4.

Embodiment 2. FIG.
FIG. 6 is an exploded perspective view of a new IO unit of a new control panel to which the control panel update method according to the second embodiment of the present invention is applied. In addition, the same code | symbol is attached | subjected to the same part as Embodiment 1, or an equivalent part. The description of this part is omitted.

  As shown in FIG. 6, the switching body 11 is provided in the upper part of the front surface of the 1st external line terminal block 7a. For example, the switching body 11 is formed by a changeover switch. The switching body 11 is formed so that it can be switched between the first state and the second state.

Next, electrical connection will be described with reference to FIG.
FIG. 7 is a wiring diagram when the control panel updating method according to the second embodiment of the present invention is applied.

  As shown in FIG. 7, the switcher 12 is provided in the new IO base 5a. The switch 12 includes a plurality of switching units 12a. Each of the plurality of switching units 12 a is provided corresponding to each of the first core wires 3 a in the existing external cable 3.

  When the switching body 11 is in the first state, the switcher 12 cuts off the electrical connection between the facility 1 and the new IO card 5b in a state where the facility 1 and the existing IO unit 2e are electrically connected. When the switching body 11 is in the second state, the switching unit 12 electrically connects the facility 1 and the new IO card 5b in a state where the electrical connection between the facility 1 and the existing IO unit 2e is cut off.

  According to the second embodiment described above, the control of the facility 1 by the existing control panel 2 and the control of the facility 1 by the new control panel 4 are switched by the operation of the switching body 11. For this reason, the efficiency of the system test can be increased.

  DESCRIPTION OF SYMBOLS 1 Equipment, 2 Existing control panel, 2a Existing housing, 2b Existing door, 2c Existing middle pillar, 2d Existing electrical equipment installation panel, 2e Existing IO unit, 2f Existing power supply installation panel, 3 Existing external cable, 3a First core wire 4a New control panel, 4a New housing, 4b New door, 4c New middle pillar, 4d New IO, 5 New IO unit, 5a New IO base, 5b New IO card, 5c New interface base, 6 Additional external cable, 6a 2nd core wire, 7a 1st outside line terminal block, 7b 2nd outside line terminal block, 8a 1st connection part, 8b 2nd connection part, 9a 1st card connector, 9b 2nd card connector, 10a 1st cable Connector, 10b second cable connector, 11 switching body, 12 switch, 12a off Part

Claims (6)

An IO base formed so that it can be connected to an existing external cable connected to the input part of the equipment to be controlled;
An IO card that is electrically connected to the input of the facility when connected to the IO base;
It is formed so that it can be connected to an additional external line cable connected to the output part of the existing control panel, and is electrically connected to the input part of the equipment by being connected to the IO base in a state where it is connected to the additional external line cable. A base for the interface to be connected,
Control panel with When the equipment enters the first state, the equipment and the existing control panel are electrically connected, the electrical connection between the equipment and the IO card is cut off, and the equipment enters the second state. And a switching body that electrically connects the equipment and the IO card in a state where electrical connection between the control panel and the existing control panel is interrupted,
The control panel according to claim 1, comprising:   The control board according to claim 1, wherein the interface base is detachably provided on the IO base. An existing external cable connection process for connecting an existing external cable connected to the input unit of the controlled equipment to the IO base of the new control panel;
IO card connection step of electrically connecting the IO card to the input unit of the equipment by connecting the IO card of the new control panel to the IO base;
An additional external cable connecting step of connecting an additional external cable connected to the output part of the existing control panel to the interface base of the new control panel;
An interface base connection step for electrically connecting the interface base to an input part of the facility by connecting the interface base connected to the additional external cable to the IO base;
An equipment control step for controlling the equipment by the existing control panel and controlling the equipment by the new control board;
An additional external cable removing step of removing the additional external cable from the newly installed control panel;
To update a control panel with   In the facility control step, the facility and the IO card are electrically connected in a state where the facility and the existing control panel are electrically connected by setting the switching body of the new control panel to the first state. And a switching step of electrically connecting the facility and the IO card in a state where electrical connection between the facility and the existing control panel is blocked by shutting off and setting the switching body to the second state. Item 5. The control panel update method according to Item 4.   6. The control board according to claim 4, wherein the additional external line cable removing step includes an interface base removing step of removing the additional external line cable from the new control panel by removing the interface base from the IO base. Update method.

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