JPS59122602U

JPS59122602U - Resistance output circuit

Info

Publication number: JPS59122602U
Application number: JP1327883U
Authority: JP
Inventors: 塩野　雄
Original assignee: 日新電機株式会社
Priority date: 1983-01-31
Filing date: 1983-01-31
Publication date: 1984-08-18

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の抵抗出力回路の一例の回路図、第２図は
この考案の抵抗出力回路の一実施例の回路図である。１・・・第１出力端子、２・・・第２出力端子、３・・
・第３出力端子、７・・・レジスタ回路、７ａ〜７ｆ・
・・レジスタ回路の各段、８・・・リレーコイル回路、
８ａ〜８ｆ・・・リレーコイル、ａ〜ｆ・・・ブレーク
接点、ａ′〜ｆ′・・・メーク接点、Ｒ１〜Ｒ，、Ｒ７
，Ｒ８，Ｒ’　１〜Ｒ’６・・・抵抗器、９・・・デジ
タル可変抵抗回路、１０・・・抵抗出力回路、１１．　
１２．　１３・・・出力端子、１４・・・リレーコイル
、１５・・・メーク接点、１６・・・リレーコイル、１
７．１８．１９・・・トランスファー接点、１７ａ、　
　１８ａ、　　１９ａ・・・ブレーク端子、１７ｂ、　
１８ｂ、　１９ｂ・・・メーク端子、１７Ｃ，１８Ｃ，
１９Ｃ・・・コモン端子、Ｌ□、Ｌ２・・・電源ライン
。FIG. 1 is a circuit diagram of an example of a conventional resistance output circuit, and FIG. 2 is a circuit diagram of an embodiment of the resistance output circuit of this invention. 1...First output terminal, 2...Second output terminal, 3...
・Third output terminal, 7...Register circuit, 7a to 7f・
...Each stage of the register circuit, 8...Relay coil circuit,
8a-8f...Relay coil, a-f...Break contact, a'-f'...Make contact, R1-R,, R7
, R8, R' 1 to R'6...Resistor, 9...Digital variable resistance circuit, 10...Resistance output circuit, 11.
12. 13... Output terminal, 14... Relay coil, 15... Make contact, 16... Relay coil, 1
7.18.19...Transfer contact, 17a,
18a, 19a... break terminal, 17b,
18b, 19b...make terminal, 17C, 18C,
19C...Common terminal, L□, L2...Power line.

Claims

[Claims for Utility Model Registration] 1. A driving part of a relay means having a common terminal, a break terminal that conducts to the common terminal only when it is not energized, and a make terminal that conducts to the common terminal only when energized. substantially connected to a power source, connecting the common terminal to an output terminal, and connecting the break terminal to a fixed resistor;
and the make terminal is connected to a variable resistance means that outputs a resistance value according to a control signal, so that the resistance value seen from the output terminal becomes variable when the power is on and constant when the power is off, including a power outage. A resistor output circuit characterized in that: 2. A register circuit in which the variable resistance means stores digital input values in two or more stages; a relay circuit in which a drive part is connected to the output of each stage of the register circuit, and each has a break contact part and a make contact part; A resistor means is connected in parallel to each break contact and each make contact of the relay circuit, and first, second, and third output terminals are provided, and either one of the break contact portion or the make contact portion of the relay means is provided. is the first output terminal and the second output terminal.
2. The resistance output circuit according to claim 1, wherein the resistance output circuit is a digital variable resistance circuit connected in series between output terminals, and the other connected in series between a second output terminal and a third output terminal.