JPH0433105U

JPH0433105U -

Info

Publication number: JPH0433105U
Application number: JP7230690U
Authority: JP
Priority date: 1990-07-09
Filing date: 1990-07-09
Publication date: 1992-03-18

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を一部ブロツク図
で示す回路図、第２図は従来のデイジタル制御装
置を一部ブロツク図で示す回路図である。図中で、１Ａ，１Ｂはそれぞれ第１の接点、第
２の接点、２ＡはＣＰＵ、３はＲＯＭ、４はＲＡ
Ｍ、である。なお、図中で同一符号は同一または
相当部分を示す。 FIG. 1 is a partial block diagram circuit diagram of an embodiment of this invention, and FIG. 2 is a partial block diagram circuit diagram of a conventional digital control device. In the figure, 1A and 1B are the first contact and the second contact, respectively, 2A is the CPU, 3 is the ROM, and 4 is the RA.
M. Note that the same reference numerals in the figures indicate the same or corresponding parts.

補正平３．９．２６実用新案登録請求の範囲を次のように補正する
。Amendment 3/9/26 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】接点の開閉を示すデイジタル信号、および、そ
の反転信号を生成するデイジタル入力装置と、上記デイジタル入力装置に接続されており、診
断プログラムを記憶している第１の記憶手段と、上記デイジタル入力装置および上記第１の記憶
手段に接続されており、上記デイジタル信号およ
び上記反転信号を一時記憶する第２の記憶手段と
、上記デイジタル入力装置、上記第１の記憶手段
および上記第２の記憶手段に接続されており、上
記デイジタル入力装置、上記第１の記憶手段およ
び上記第２の記憶手段を制御し、上記診断プログ
ラムに従つて上記デイジタル入力信号と上記反転
信号とを比較して、比較の結果に基づいて上記デ
イジタル入力装置を診断する診断制御手段とを備えたことを特徴とするデイジタル制御装置。 [Claims for Utility Model Registration] A digital input device that generates a digital signal indicating opening/closing of a contact and its inverted signal , and a first memory connected to the digital input device and storing a diagnostic program. means, second storage means connected to the digital input device and the first storage means, for temporarily storing the digital signal and the inverted signal ; the digital input device, the first storage means, and is connected to the second storage means, controls the digital input device, the first storage means and the second storage means, and outputs the digital input signal and the inverted signal according to the diagnostic program. A digital control device comprising: diagnostic control means for comparing and diagnosing the digital input device based on the comparison result.

Claims

[Claims for Utility Model Registration] A digital input device that generates a digital signal indicating opening/closing of a contact and an inverted signal thereof; A first storage means connected to the digital input device and storing a diagnostic program. a second storage means connected to the digital input device and the first storage means and temporarily stores the digital signal and the inverted signal; the digital input device, the first storage means and the second storage means; is connected to a storage means, and controls the digital input device, the first storage means, and the second storage means, and compares the digital input signal and the inverted signal according to the diagnostic program. , diagnostic control means for diagnosing the digital input device based on the results of the comparison;