JPH049U - - Google Patents
Info
- Publication number
- JPH049U JPH049U JP3849390U JP3849390U JPH049U JP H049 U JPH049 U JP H049U JP 3849390 U JP3849390 U JP 3849390U JP 3849390 U JP3849390 U JP 3849390U JP H049 U JPH049 U JP H049U
- Authority
- JP
- Japan
- Prior art keywords
- programmable controller
- digital signal
- signal input
- numerical control
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Numerical Control (AREA)
- Safety Devices In Control Systems (AREA)
- Programmable Controllers (AREA)
Description
第１図は本考案の一実施例に係る数値制御装置
を示すブロツク図、第２図はプログラマブルコン
トローラ及びデイジタル信号入出力器の具体的構
成例を示すブロツク図、第３図はデイジタル信号
入出力器内に備えたコンピユータによるシーケン
ス処理のフローチヤートである。
６……プログラマブルコントローラ、１１……
シリアル通信線、１２……デイジタル信号入出力
器、１２Ａ……フエールセーフ回路、１２Ｂ……
高速シーケンスロジツク回路。
Fig. 1 is a block diagram showing a numerical control device according to an embodiment of the present invention, Fig. 2 is a block diagram showing a specific configuration example of a programmable controller and a digital signal input/output device, and Fig. 3 is a block diagram showing a specific configuration example of a programmable controller and a digital signal input/output device. This is a flowchart of sequence processing performed by a computer installed in the device. 6...Programmable controller, 11...
Serial communication line, 12...Digital signal input/output device, 12A...Fail safe circuit, 12B...
High speed sequence logic circuit.
Claims (1)
ＲＯＭ、ＲＡＭから成る記憶装置と接続されるシ
ステムバスにプログラマブルコントローラを接続
し、このプログラマブルコントローラと数値制御
工作機の各種センサ類及びアクチユエータ類と接
続されるデイジタル信号入出力器とをシリアル通
信線で接続して成る数値制御装置において、 前記デイジタル信号入出力器に、前記シリアル
通信線の信号通信状態を監視し、該信号通信状態
に異常が発生したとき、接続機器を安全方向に作
動させるフエールセーフ回路を備えたことを特徴
とする数値制御装置。 (2) 主中央処理装置及び副中央処理装置並びに
ＲＯＭ、ＲＡＭから成る記憶装置と接続されるシ
ステムバスにプログラマブルコントローラを接続
し、このプログラマブルコントローラと数値制御
工作機の各種センサ類及びアクチユエータ類と接
続されるデイジタル信号入出力器とをシリアル通
信線で接続して成る数値制御装置において、 前記デイジタル信号入出力器に、前記プログラ
マブルコントローラが行う処理を補助するものと
してデイジタル入出力信号を処理する高速シーケ
ンスロジツク回路を備えたことを特徴とする数値
制御装置。 (3) 主中央処理装置及び副中央処理装置並びに
ＲＯＭ、ＲＡＭから成る記憶装置と接続されるシ
ステムバスにプログラマブルコントローラを接続
し、このプログラマブルコントローラと数値制御
工作機の各種センサ類及びアクチユエータ類と接
続されるデイジタル信号入出力器とをシリアル通
信線で接続して成る数値制御装置において、 前記デイジタル信号入出力器に、前記シリアル
通信線の信号通信状態を監視し、該信号通信状態
に異常が発生したとき、接続機器を安全方向に作
動させるフエールセーフ回路と、前記プログラマ
ブルコントローラが行う処理を補助するものとし
てデイジタル入出力信号を処理する高速シーケン
スロジツク回路とを備えたことを特徴とする数値
制御装置。[Claims for Utility Model Registration] (1) A programmable controller is connected to a system bus connected to a main central processing unit, a sub-central processing unit, and a storage device consisting of ROM and RAM. In a numerical control device in which various sensors and actuators are connected to a digital signal input/output device via a serial communication line, the digital signal input/output device monitors the signal communication state of the serial communication line, A numerical control device characterized by comprising a fail-safe circuit that operates connected devices in a safe direction when an abnormality occurs in the signal communication state. (2) Connect the programmable controller to the system bus that is connected to the main central processing unit, sub-central processing unit, and storage device consisting of ROM and RAM, and connect this programmable controller to various sensors and actuators of the numerically controlled machine tool. A numerical control device comprising a digital signal input/output device and a digital signal input/output device connected by a serial communication line, wherein the digital signal input/output device is provided with a high-speed sequence for processing digital input/output signals as an aid to the processing performed by the programmable controller. A numerical control device characterized by being equipped with a logic circuit. (3) Connect the programmable controller to the system bus that is connected to the main central processing unit, sub-central processing unit, and storage device consisting of ROM and RAM, and connect this programmable controller to various sensors and actuators of the numerically controlled machine tool. In a numerical control device that is connected to a digital signal input/output device by a serial communication line, the digital signal input/output device monitors the signal communication state of the serial communication line, and detects when an abnormality occurs in the signal communication state. A numerical control system characterized by comprising a fail-safe circuit that safely operates connected equipment when the programmable controller is activated, and a high-speed sequence logic circuit that processes digital input/output signals to assist the processing performed by the programmable controller. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3849390U JPH049U (en) | 1990-04-12 | 1990-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3849390U JPH049U (en) | 1990-04-12 | 1990-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049U true JPH049U (en) | 1992-01-06 |
Family
ID=31546548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3849390U Pending JPH049U (en) | 1990-04-12 | 1990-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61203065A (en) * | 1985-02-28 | 1986-09-08 | Toshiba Corp | Sequencer control system |
| JPH02202604A (en) * | 1989-02-01 | 1990-08-10 | Fanuc Ltd | External part extending type programmable controller |
-
1990
- 1990-04-12 JP JP3849390U patent/JPH049U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61203065A (en) * | 1985-02-28 | 1986-09-08 | Toshiba Corp | Sequencer control system |
| JPH02202604A (en) * | 1989-02-01 | 1990-08-10 | Fanuc Ltd | External part extending type programmable controller |
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