JP4964970B2 - Signal conversion adapter terminal block - Google Patents

Signal conversion adapter terminal block Download PDF

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JP4964970B2
JP4964970B2 JP2010001140A JP2010001140A JP4964970B2 JP 4964970 B2 JP4964970 B2 JP 4964970B2 JP 2010001140 A JP2010001140 A JP 2010001140A JP 2010001140 A JP2010001140 A JP 2010001140A JP 4964970 B2 JP4964970 B2 JP 4964970B2
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signal
terminal
terminal block
connection
conversion adapter
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JP2011141983A (en
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則男 株本
宏之 上野
輝夫 的場
卓也 鰰沢
敏宏 高井
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Mitsubishi Electric Engineering Co Ltd
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Mitsubishi Electric Engineering Co Ltd
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この発明は、信号変換を要する回路に適用する信号変換アダプタ端子台に関するものである。   The present invention relates to a signal conversion adapter terminal block applied to a circuit requiring signal conversion.

従来、電流が４ｍＡ〜２０ｍＡの直流信号を電圧が１Ｖ〜５Ｖの直流信号に信号変換する回路では、電流が４ｍＡ〜２０ｍＡの直流信号が流れる外線ケーブルを２列の端子列が設けられた配電盤用端子台の一方の端子列に接続し、電圧が１Ｖ〜５Ｖの直流信号が流れる配線を２列の端子列が設けられた中継端子台の一方の端子列に接続し、中継端子台の他方の端子列に抵抗を取付け、その他方の端子列と配電盤用端子台の他方の端子列とを配線を介して接続している（例えば、特許文献１参照）。   Conventionally, in a circuit for converting a DC signal having a current of 4 mA to 20 mA into a DC signal having a voltage of 1 V to 5 V, an external cable through which a DC signal having a current of 4 mA to 20 mA flows is provided for a distribution board provided with two terminal rows. Connect to one terminal row of the terminal block, connect the wiring through which a DC signal with a voltage of 1 V to 5 V flows to one terminal row of the relay terminal block provided with two rows of terminal rows, and connect the other terminal row of the relay terminal block A resistor is attached to the terminal row, and the other terminal row and the other terminal row of the distribution board terminal block are connected via wiring (for example, see Patent Document 1).

特開２００２−８７４８号公報JP 2002-8748 A

しかし、従来の信号変換する回路では、抵抗を有する信号変換部を中継端子台に取付けるために、信号変換器の取付けスペースや配電盤用端子台と接続する配線を配線するスペースを確保しなければならず、機器収納領域を広げる必要があるという問題がある。
また、既存回路を変更する場合において、中継端子台を設けることで、配線の張替え作業が必要となり、配線作業が増加するという間題がある。
また、抵抗の端子を絶縁物で覆って端子の感電保護および短絡保護する必要がある。 However, in the conventional signal conversion circuit, in order to attach the signal conversion unit having resistance to the relay terminal block, it is necessary to secure a space for installing the signal converter and wiring for connecting to the terminal board for the switchboard. However, there is a problem that it is necessary to expand the device storage area.
In addition, when an existing circuit is changed, the provision of a relay terminal block necessitates rewiring work, which increases the wiring work.
In addition, it is necessary to cover the terminals of the resistor with an insulator to protect the terminals from electric shock and short circuit.

この発明は、前記のような課題を解決するためになされたものであり、中継端子台や配線を必要とせずに省スペースで容易な取り付けすることができるとともに、既存回路変更時には、配線作業を少なくすることができる信号変換アダプタ端子台を得ることを目的とする。   The present invention has been made to solve the above-described problems, and can be easily installed in a space-saving manner without requiring a relay terminal block or wiring, and wiring work can be performed when an existing circuit is changed. An object is to obtain a signal conversion adapter terminal block that can be reduced.

この発明に係る信号変換アダプタ端子台は、配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、上記配電盤用端子台の各端子に固定される複数の接続片と、上記接続片の間に接続される信号変換器と、各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、を備え、１つの上記接続片、該接続片に一端が接続される上記信号変換器および１つの端子が配備される部分と、他の上記接続片および他の端子が配備される部分とに分割可能な本体を備え、上記信号変換器の他端が上記他の接続片とスパイラル状線で接続される。
また、この発明に係る信号変換アダプタ端子台は、配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、上記配電盤用端子台の各端子に固定される複数の接続片と、上記接続片の間に接続される信号変換器と、各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、を備え、上記接続片は、上記配電盤用端子台の接続用端子ネジのネジ頭に係合するねじ頭接続爪が設けられる。
さらに、この発明に係る信号変換アダプタ端子台は、配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、上記配電盤用端子台の各端子に固定される複数の接続片と、上記接続片の間に接続される信号変換器と、各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、を備え、上記配電盤用端子台の各端子と、上記信号変換アダプタ端子台の各端子とは、高さ方向に段差が設けられている。
The signal conversion adapter terminal block according to the present invention is a signal converter for converting a DC signal having a current of 4 mA to 20 mA input from an external cable connected to a terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputting the signal. In the adapter terminal block, a plurality of connection pieces fixed to each terminal of the switchboard terminal block, a signal converter connected between the connection pieces, and connected to each of the connection pieces and 1V to 5V A plurality of terminals to which a wiring through which a DC signal of a voltage flows is connected , one connection piece, a part where one end is connected to the connection piece, a part where one terminal is provided, and another of the connection piece and provided with a dividable body and a portion other terminal is deployed, the other end of the signal converter Ru is connected in the other connection piece and spiral line.
In addition, the signal conversion adapter terminal block according to the present invention converts a DC signal having a current of 4 mA to 20 mA input from an external cable connected to the terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputs the DC signal. In the signal conversion adapter terminal block, a plurality of connection pieces fixed to each terminal of the distribution board terminal block, a signal converter connected between the connection pieces, and connected to each connection piece and from 1V A plurality of terminals to which wiring through which a DC signal of a voltage of 5 V flows is connected, and the connection piece is provided with a screw head connection claw that engages with a screw head of a connection terminal screw of the terminal board for distribution board. .
Furthermore, the signal conversion adapter terminal block according to the present invention converts a DC signal having a current of 4 mA to 20 mA input from an external cable connected to the terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputs the DC signal. In the signal conversion adapter terminal block, a plurality of connection pieces fixed to each terminal of the distribution board terminal block, a signal converter connected between the connection pieces, and connected to each connection piece and from 1V A plurality of terminals to which a wiring through which a DC signal of a voltage of 5 V flows is connected, and a step is provided in the height direction between each terminal of the switchboard terminal block and each terminal of the signal conversion adapter terminal block It has been.

この発明に係る信号変換アダプタ端子台は、端子台と信号変換器が直接取付けられた接続片が配電盤用端子台の端子に直接接続されているので、従来のような中継端子台や中継端子台と配電盤用端子台を接続する配線を不要とすることができるという効果を奏する。   In the signal conversion adapter terminal block according to the present invention, since the connection piece on which the terminal block and the signal converter are directly attached is directly connected to the terminal of the terminal board for the switchboard, the conventional relay terminal block and relay terminal block There is an effect that the wiring for connecting the terminal board for the switchboard can be eliminated.

この発明の実施の形態１に係る信号変換アダプタ端子台を配電盤用端子台に取付ける様子を説明するための図である。It is a figure for demonstrating a mode that the signal conversion adapter terminal block which concerns on Embodiment 1 of this invention is attached to the terminal board for switchboards. 図１の回路図である。FIG. 2 is a circuit diagram of FIG. 1. この発明の実施の形態２に係る信号変換アダプタ端子台の信号変換器の斜視図である。It is a perspective view of the signal converter of the signal conversion adapter terminal block concerning Embodiment 2 of this invention. この発明の実施の形態３に係る信号変換アダプタ端子台の斜視図である。It is a perspective view of the signal conversion adapter terminal block which concerns on Embodiment 3 of this invention. この発明の実施の形態４に係る信号変換アダプタ端子台の斜視図である。It is a perspective view of the signal conversion adapter terminal block which concerns on Embodiment 4 of this invention. 図５の接続片の先端に設けられるねじ頭接続爪の断面図である。It is sectional drawing of the screw head connection nail | claw provided in the front-end | tip of the connection piece of FIG.

以下、本発明の信号変換アダプタ端子台の好適な実施の形態につき図面を用いて説明する。
実施の形態１．
図１は、この発明の実施の形態１に係る信号変換アダプタ端子台を配電盤用端子台に取付ける様子を説明するための図である。図２は、図１の回路図である。
この発明の実施の形態１に係る信号変換アダプタ端子台１は、本体２と、配電盤用端子台７の２つの端子８に固定される２つの接続片３と、２つの接続片３の間に接続される信号変換器４と、各接続片３に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる一対の配線５が接続される２つの端子６と、を備える。 Hereinafter, a preferred embodiment of a signal conversion adapter terminal block of the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a diagram for explaining a state in which a signal conversion adapter terminal block according to Embodiment 1 of the present invention is attached to a switchboard terminal block. FIG. 2 is a circuit diagram of FIG.
A signal conversion adapter terminal block 1 according to Embodiment 1 of the present invention includes a main body 2, two connection pieces 3 fixed to two terminals 8 of a distribution board terminal block 7, and two connection pieces 3. A signal converter 4 to be connected, and two terminals 6 connected to each connection piece 3 and to which a pair of wirings 5 through which a DC signal having a voltage of 1V to 5V flows are connected.

なお、配電盤用端子台７は、複数の端子８が２列に配列されており、一方の列の端子８に入力される信号は他方の列の対応する端子８から出力される。図１の場合、１列目の第１の端子８ａと第２の端子８ｂに外線ケーブル９が接続され、４ｍＡから２０ｍＡの電流の直流信号が入力される。そして、２列目の第１の端子８ｃと第２の端子８ｄから４ｍＡから２０ｍＡの電流の直流信号が出力される。   The distribution board terminal block 7 has a plurality of terminals 8 arranged in two rows, and a signal input to the terminal 8 in one row is output from the corresponding terminal 8 in the other row. In the case of FIG. 1, an external cable 9 is connected to the first terminal 8a and the second terminal 8b in the first column, and a DC signal having a current of 4 mA to 20 mA is input. A DC signal having a current of 4 mA to 20 mA is output from the first terminal 8c and the second terminal 8d in the second row.

本体２は、２段の階段状であり、１段目には接続片３が水平に配置され、２段目には図示しない導電板が水平に配置され、この間を図示しない連絡部材で接続されている。導電板には接続用端子ネジ１１が螺合される図示しない雌ねじが設けられている。
接続片３には、先端部に配電盤用端子台７の２列目の第１端子８ｃと第２端子８ｄの接続用端子ネジ１１が貫通する孔３ａが設けられている。
信号変換器４は、２つの接続片３の間に接続される抵抗値２５０Ωの抵抗１２からなる。
本体２の２段目の導電板には２つの接続用端子ネジ１１が螺合されている。なお、導電板と接続用端子ネジ１１により端子６が構成されている。 The main body 2 has a two-step shape, and the connection piece 3 is horizontally arranged in the first stage, and a conductive plate (not shown) is horizontally arranged in the second stage, and a connection member (not shown) is connected therebetween. ing. The conductive plate is provided with a female screw (not shown) to which the connection terminal screw 11 is screwed.
The connection piece 3 is provided with a hole 3a through which the connection terminal screw 11 of the second terminal 8d and the second terminal 8d of the second row of the distribution board terminal block 7 penetrates at the tip.
The signal converter 4 includes a resistor 12 having a resistance value of 250Ω connected between the two connection pieces 3.
Two connection terminal screws 11 are screwed onto the second-stage conductive plate of the main body 2. A terminal 6 is constituted by the conductive plate and the connecting terminal screw 11.

次に、信号変換アダプタ端子台１の使用方法を説明する。
配電盤用端子台７の端子８ｃ、８ｄの接続用端子ネジ１１を外し、接続片３の貫通孔３ａを配電盤用端子台７の端子８ｃ、８ｄのネジ穴に位置合わせし、接続用端子ネジ１１を貫通孔３ａとネジ穴に挿入し、ネジ締めして配電盤用端子台７の端子８ｃ、８ｄに接続片３を固定する。また、配線５を信号変換アダプタ端子台１の端子６に接続する。 Next, a method for using the signal conversion adapter terminal block 1 will be described.
The connection terminal screws 11 of the terminals 8c and 8d of the distribution board terminal block 7 are removed, the through holes 3a of the connection piece 3 are aligned with the screw holes of the terminals 8c and 8d of the distribution board terminal block 7, and the connection terminal screws 11 Are inserted into the through-holes 3a and screw holes, and are tightened to fix the connection pieces 3 to the terminals 8c and 8d of the terminal board 7 for switchboard. Further, the wiring 5 is connected to the terminal 6 of the signal conversion adapter terminal block 1.

次に、信号変換アダプタ端子台１の動作について説明する。
外線ケーブル９が接続されている配電盤用端子台７の１列目の第１の端子８ａと第２の端子８ｂの間に４ｍＡから２０ｍＡの電流の直流信号が入力され、配電盤用端子台７の２列目の第１の端子８ｃと第２の端子８ｄの間から４ｍＡから２０ｍＡの電流の直流信号が出力される。この配電盤用端子台７の２列目の第１の端子８ｃと第２の端子８ｄには接続片３が接続されているので、４ｍＡから２０ｍＡの電流の直流信号は抵抗１２を流れることにより、端子６間に１Ｖから５Ｖの電圧の直流信号が発生する。そして、１Ｖから５Ｖの電圧の直流信号が配線５から出力される。 Next, the operation of the signal conversion adapter terminal block 1 will be described.
A DC signal having a current of 4 mA to 20 mA is input between the first terminal 8 a and the second terminal 8 b in the first row of the distribution board terminal block 7 to which the external cable 9 is connected. A DC signal having a current of 4 mA to 20 mA is output from between the first terminal 8c and the second terminal 8d in the second row. Since the connection piece 3 is connected to the first terminal 8c and the second terminal 8d in the second row of the switchboard terminal block 7, a DC signal having a current of 4 mA to 20 mA flows through the resistor 12. A DC signal having a voltage of 1 V to 5 V is generated between the terminals 6. A DC signal having a voltage of 1 V to 5 V is output from the wiring 5.

この発明の実施の形態１に係る信号変換アダプタ端子台１は、端子６と信号変換器４が直接取付けられた接続片３が配電盤用端子台７の端子８に直接接続されているので、従来のような中継端子台や中継端子台と配電盤用端子台を接続する配線を不要とすることができる。
また、配電盤用端子台７の端子８と信号変換アダプタ端子台１の端子６は高さ方向に段差を設けており、配線５の接続方向は外線ケーブル９の方向へ配線することができ配線方向も統一することができ、省スペースで容易な取り付けを実現し、配線作業も少なくすることができる。
また、抵抗１２の導電部を信号変換アダプタ端子台１の中に取込んでいるので、導電部を絶縁物で保護する必要がなくなる。 In the signal conversion adapter terminal block 1 according to Embodiment 1 of the present invention, since the connection piece 3 to which the terminal 6 and the signal converter 4 are directly attached is directly connected to the terminal 8 of the switchboard terminal block 7, It is possible to eliminate the need for the relay terminal block and the wiring connecting the relay terminal block and the distribution board terminal block.
Further, the terminal 8 of the distribution board terminal block 7 and the terminal 6 of the signal conversion adapter terminal block 1 are provided with a step in the height direction, and the connection direction of the wiring 5 can be wired in the direction of the external cable 9. Can be unified, space-saving and easy installation can be realized, and wiring work can be reduced.
Further, since the conductive portion of the resistor 12 is taken into the signal conversion adapter terminal block 1, it is not necessary to protect the conductive portion with an insulator.

実施の形態２．
図３は、この発明の実施の形態２に係る信号変換アダプタ端子台の信号変換器の斜視図である。
この発明の実施の形態２に係る信号変換アダプタ端子台１Ｂは、この発明の実施の形態１に係る信号変換アダプタ端子台１と信号変換器４Ｂが異なり、それ以外は同様であるので、同様な部分に同じ符号を付記し説明を省略する。
信号変換器４Ｂは、図３（ａ）に図示するように、接続片３の間にコンデンサ２１が接続されている。なお、接続片３の間に図３（ｂ）に示すようにスイッチ２２や図３（ｃ）に示すようにコンセント２３を搭載しても良い。 Embodiment 2. FIG.
FIG. 3 is a perspective view of a signal converter of the signal conversion adapter terminal block according to Embodiment 2 of the present invention.
The signal conversion adapter terminal block 1B according to the second embodiment of the present invention is the same as the signal conversion adapter terminal block 1 according to the first embodiment of the present invention, except that the signal converter 4B is the same and the other components are the same. The same reference numerals are given to the portions, and the description is omitted.
In the signal converter 4B, a capacitor 21 is connected between the connection pieces 3 as shown in FIG. Note that a switch 22 as shown in FIG. 3B or an outlet 23 as shown in FIG. 3C may be mounted between the connection pieces 3.

コンデンサ、スイッチやコンセントを通常取り付ける場合、取り付けスペースの確保と、配電盤用端子台７から配線が必要となるが、この発明の実施の形態２においては配電盤用端子台７へ直接接続することで、省スペースで容易な取り付けを実現し、配線作業を少なくすることができる。
また、信号変換器４Ｂにコンデンサ２１、スイッチ２２やコンセント２３を搭載することで、信号変換だけではなく、違う機能をもたせることができる。 When a capacitor, a switch or an outlet is normally attached, securing of the installation space and wiring from the switchboard terminal block 7 are required, but in Embodiment 2 of the present invention, by directly connecting to the switchboard terminal block 7, Space-saving and easy installation can be realized, and wiring work can be reduced.
Further, by mounting the capacitor 21, the switch 22 and the outlet 23 on the signal converter 4B, not only signal conversion but also different functions can be provided.

実施の形態３．
図４は、この発明の実施の形態３に係る信号変換アダプタ端子台の斜視図である。
この発明の実施の形態３に係る信号変換アダプタ端子台１Ｃは、この発明の実施の形態１に係る信号変換アダプタ端子台１と本体２Ｃおよび接続片３と抵抗１２との接続が異なり、それ以外は同様であるので、同様な部分に同じ符号を付記し説明を省略する。
本体２Ｃは、２つに分割可能となっており、配電盤用端子台７の端子８のピッチが一体になった本体２の端子６のピッチと異なっているときには、本体２Ｃを２つに分割し、分割した本体２Ｃに固定される接続片３を配電盤用端子台７の端子８に固定する。
抵抗１２の一端は一方の接続片３に固定されているが、抵抗１２の他端は他方の接続片３とつながっていない。そして、抵抗１２の他端と他方の接続片３をスパイラル状線２５で接続する。 Embodiment 3 FIG.
4 is a perspective view of a signal conversion adapter terminal block according to Embodiment 3 of the present invention.
The signal conversion adapter terminal block 1C according to Embodiment 3 of the present invention is different in connection between the signal conversion adapter terminal block 1 according to Embodiment 1 of the present invention, the main body 2C, the connection piece 3, and the resistor 12, and the others. Are the same, the same reference numerals are attached to the same parts, and the description is omitted.
The main body 2C can be divided into two, and when the pitch of the terminals 8 of the terminal board 7 for the switchboard is different from the pitch of the terminals 6 of the integrated main body 2, the main body 2C is divided into two. The connection piece 3 fixed to the divided main body 2C is fixed to the terminal 8 of the switchboard terminal block 7.
One end of the resistor 12 is fixed to one connection piece 3, but the other end of the resistor 12 is not connected to the other connection piece 3. Then, the other end of the resistor 12 and the other connection piece 3 are connected by a spiral wire 25.

この発明の実施の形態３に係る信号変換アダプタ端子台１Ｃは、本体２Ｃを分割可能とし、分割した一方の本体２Ｃに支持された接続片３に固定された抵抗１２の他端をスパイラル状線２５で他方の接続片３に接続することで、接続先である配電盤用端子台７の端子８のピッチに限定されることなく、ピッチが異なる機器への接続ができ、適用を拡大することができる。   In the signal conversion adapter terminal block 1C according to the third embodiment of the present invention, the main body 2C can be divided, and the other end of the resistor 12 fixed to the connection piece 3 supported by one divided main body 2C is connected to the spiral wire. By connecting to the other connection piece 3 at 25, connection to devices with different pitches is possible without being limited to the pitch of the terminals 8 of the distribution board terminal block 7 which is the connection destination, and the application can be expanded. it can.

実施の形態４．
図５は、この発明の実施の形態４に係る信号変換アダプタ端子台の斜視図である。図６は、図５の接続片の先端に設けられるねじ頭接続爪の断面図である。
この発明の実施の形態４に係る信号変換アダプタ端子台１Ｄは、この発明の実施の形態１に係る信号変換アダプタ端子台１と接続片３Ｄが異なり、それ以外は同様であるので、同様な部分に同じ符号を付記し説明を省略する。
接続片３Ｄは、配電盤用端子台７の接続用端子ネジ１１の頭部に被せて押し下げると接続用端子ネジ１１の頭部を滑りながら拡がり、接続用端子ネジ１１の頭部の下端で縮むことで、接続片３Ｄを接続用端子ネジ１１に係止するねじ頭接続爪２７が設けられている。 Embodiment 4 FIG.
5 is a perspective view of a signal conversion adapter terminal block according to Embodiment 4 of the present invention. 6 is a cross-sectional view of a screw head connection claw provided at the tip of the connection piece of FIG.
The signal conversion adapter terminal block 1D according to the fourth embodiment of the present invention is different from the signal conversion adapter terminal block 1 according to the first embodiment of the present invention in the connection piece 3D, and the other parts are the same. Are denoted by the same reference numerals and description thereof is omitted.
When the connection piece 3D is placed on the head of the connection terminal screw 11 of the switchboard terminal block 7 and pushed down, the connection piece 3D expands while sliding on the head of the connection terminal screw 11 and contracts at the lower end of the head of the connection terminal screw 11. Thus, a screw head connection claw 27 for locking the connection piece 3D to the connection terminal screw 11 is provided.

上述の実施の形態１では、接続片３を配電盤用端子台７の端子８に接続するとき、接続用端子ネジ１１を一旦外してから接続片３の貫通孔３ａに接続用端子ネジ１１を通してから締め付けているが、この実施の形態４では、接続用端子ネジ１１を外す必要がなく、ねじ頭接続爪２７を接続用端子ネジ１１に押し込むだけで接続することができるので、配線作業の省力化・効率化を図ることができる。   In the first embodiment described above, when connecting the connection piece 3 to the terminal 8 of the terminal board 7 for the distribution board, the connection terminal screw 11 is once removed and then the connection terminal screw 11 is passed through the through hole 3a of the connection piece 3. Although it is tightened, in the fourth embodiment, it is not necessary to remove the connection terminal screw 11 and the connection can be made simply by pushing the screw head connection claw 27 into the connection terminal screw 11.・ Improve efficiency.

１、１Ｂ、１Ｃ、１Ｄ 信号変換アダプタ端子台、２、２Ｃ 本体、３、３Ｄ 接続片、３ａ 貫通孔、４、４Ｂ 信号変換器、５ 配線、６ 端子、７ 配電盤用端子台、８、８ａ、８ｂ、８ｃ、８ｄ 端子、９ 外線ケーブル、１１ 接続用端子ネジ、１２ 抵抗、２１ コンデンサ、２２ スイッチ、２３ コンセント、２５ スパイラル状線、２７ ねじ頭接続爪。   1, 1B, 1C, 1D Signal conversion adapter terminal block, 2, 2C main body, 3, 3D connection piece, 3a through hole, 4, 4B Signal converter, 5 wiring, 6 terminal, 7 Switchboard terminal block, 8, 8a 8b, 8c, 8d terminal, 9 external cable, 11 connection terminal screw, 12 resistor, 21 capacitor, 22 switch, 23 outlet, 25 spiral wire, 27 screw head connection claw.

Claims (4)

配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、
上記配電盤用端子台の各端子に固定される複数の接続片と、
上記接続片の間に接続される信号変換器と、
各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、
を備え、
１つの上記接続片、該接続片に一端が接続される上記信号変換器および１つの端子が配備される部分と、他の上記接続片および他の端子が配備される部分とに分割可能な本体を備え、
上記信号変換器の他端が上記他の接続片とスパイラル状線で接続される
ことを特徴とする信号変換アダプタ端子台。 In a signal conversion adapter terminal block that converts a DC signal having a current of 4 mA to 20 mA input from an external cable connected to a terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputs the converted signal.
A plurality of connection pieces fixed to each terminal of the terminal board for switchboard,
A signal converter connected between the connection pieces;
A plurality of terminals connected to each of the connection pieces and connected to a wiring through which a DC signal having a voltage of 1 V to 5 V flows;
Equipped with a,
A main body that can be divided into one connection piece, a portion where one end of the signal converter is connected to the connection piece and a portion where one terminal is provided, and a portion where the other connection piece and another terminal are provided With
A signal conversion adapter terminal block , wherein the other end of the signal converter is connected to the other connection piece by a spiral wire . 配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、
上記配電盤用端子台の各端子に固定される複数の接続片と、
上記接続片の間に接続される信号変換器と、
各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、
を備え、
上記接続片は、上記配電盤用端子台の接続用端子ネジのネジ頭に係合するねじ頭接続爪が設けられる
ことを特徴とする信号変換アダプタ端子台。 In a signal conversion adapter terminal block that converts a DC signal having a current of 4 mA to 20 mA input from an external cable connected to a terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputs the converted signal.
A plurality of connection pieces fixed to each terminal of the terminal board for switchboard,
A signal converter connected between the connection pieces;
A plurality of terminals connected to each of the connection pieces and connected to a wiring through which a DC signal having a voltage of 1 V to 5 V flows;
Equipped with a,
The signal conversion adapter terminal block , wherein the connection piece is provided with a screw head connection claw that engages with a screw head of a connection terminal screw of the distribution board terminal block. 配電盤用端子台に接続される外線ケーブルから入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換して出力する信号変換アダプタ端子台において、
上記配電盤用端子台の各端子に固定される複数の接続片と、
上記接続片の間に接続される信号変換器と、
各上記接続片に接続されるとともに１Ｖから５Ｖの電圧の直流信号が流れる配線が接続される複数の端子と、
を備え、
上記配電盤用端子台の各端子と、上記信号変換アダプタ端子台の各端子とは、高さ方向に段差が設けられている
ことを特徴とする信号変換アダプタ端子台。 In a signal conversion adapter terminal block that converts a DC signal having a current of 4 mA to 20 mA input from an external cable connected to a terminal block for a distribution board into a DC signal having a voltage of 1 V to 5 V and outputs the converted signal.
A plurality of connection pieces fixed to each terminal of the terminal board for switchboard,
A signal converter connected between the connection pieces;
A plurality of terminals connected to each of the connection pieces and connected to a wiring through which a DC signal having a voltage of 1 V to 5 V flows;
Equipped with a,
A signal conversion adapter terminal block, wherein a step is provided in the height direction between each terminal of the switchboard terminal block and each terminal of the signal conversion adapter terminal block. 上記信号変換器は、入力される４ｍＡから２０ｍＡの電流の直流信号を１Ｖから５Ｖの電圧の直流信号に変換するための抵抗値２５０Ωの抵抗とともに、コンデンサ、スイッチまたはコンセントが搭載されていることを特徴とする請求項３に記載の信号変換アダプタ端子台。 The signal converter is equipped with a capacitor, switch or outlet together with a resistor having a resistance value of 250Ω for converting an input DC signal of 4 mA to 20 mA into a DC signal of 1 V to 5 V. The signal conversion adapter terminal block according to claim 3 , wherein:
JP2010001140A 2010-01-06 2010-01-06 Signal conversion adapter terminal block Expired - Fee Related JP4964970B2 (en)

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KR101545093B1 (en) 2014-07-28 2015-08-18 엘에스전선 주식회사 power monitering module and busduct power monitering system including the same

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KR102047606B1 (en) * 2018-07-12 2019-11-21 한국전력공사 Removable contact switch of protection and distribution board terminal block

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JPH11154296A (en) * 1997-09-18 1999-06-08 Nissin Electric Co Ltd Interface board
JP2000208176A (en) * 1999-01-14 2000-07-28 Matsushita Electric Works Ltd Outlet for board
JP2000323202A (en) * 1999-05-10 2000-11-24 Nitto Electric Works Ltd Terminal block with built-in ct
JP2002008748A (en) * 2000-06-27 2002-01-11 Mitsubishi Electric Corp Terminal board with signal converting function
JP2004247114A (en) * 2003-02-13 2004-09-02 Toshiba Corp Wiring connection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101545093B1 (en) 2014-07-28 2015-08-18 엘에스전선 주식회사 power monitering module and busduct power monitering system including the same

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