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Patent US4982358A successfully refreshed from Google Patents.
US4982358A
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US
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High speed programmable controller for executing an instruction formed by a ladder
Assignee: Fanuc Corp
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Filing: 1988-04-27
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Granted: 1991-01-01
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Expires: 2008-04-27
Abstract
Abstract A programmable controller according to the present invention has memory means (P) for registering any functional instruction. On the basis of a functional instruction stored in the memory means, an individual functional instruction (Func) is repeatedly output to a machine tool. When the format of a functional instruction changes due to a difference in input conditions, input condition (B, C) data are created as a ladder and, by executing a single fixed input condition (A), the lead address of an area storing the parameter of the individual functional instruction is called and output, whereby a functional instruction of a unified format is executed.
Inventors
- 👤 Kunio Tanaka
- 👤 Nobuyuki Kiya
- 👤 Kimio Maeda
- 👤 Yoshiharu Saiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:15
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/414; G05B19/4147; G05B19/04; G05B19/05
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
A programmable controller in which a functional instruction is formed by a ladder and executed, comprising: memory means, including functional instruction areas and parameter areas, for storing a ladder program including a plurality of functional instruction subroutines; setting means, connected to said memory means, for setting input conditions, which conform to types of said functional instruction subroutines, in said parameter areas; and input means, connected to said memory means and said setting means, for inputting a functional instruction which has a leading address of said input condition in one of said parameter means.
Claim 2
Dependent Claim
93 words
A programmable controller in which a functional instruction is formed by a ladder and executed, comprising: memory means, including functional instruction areas and parameter areas, for storing a ladder program including a plurality of functional instruction subroutines; setting means, connected to said memory means, for setting input conditions, which conform to types of said functional instruction subroutines, in said parameter areas; and input means, connected to said memory means and said setting means, for inputting a functional instruction which has a leading address of said input condition in one of said parameter means.
Claim 3
Independent Claim
120 words
A method for a programmable controller including a numerical controller, comprising the steps of: (a) storing a plurality of functional instruction sub-routines in a memory having a parameter area storing separate input conditions at various addresses and an area for stipulating input/output data; (b) calling, by a control condition, the input conditions at selected addresses as a parameter of any functional instruction; (c) creating a ladder by executing a single fixed input instruction when a format of the functional instruction changes due to a change in the input conditions; (d) outputting a lead address in the parameter area of one of the functional instruction sub-routines; and (e) executing a unified format functional instruction which is output to a machine tool.
Claim 4
Independent Claim
120 words
A method for a programmable controller including a numerical controller, comprising the steps of: (a) storing a plurality of functional instruction sub-routines in a memory having a parameter area storing separate input conditions at various addresses and an area for stipulating input/output data; (b) calling, by a control condition, the input conditions at selected addresses as a parameter of any functional instruction; (c) creating a ladder by executing a single fixed input instruction when a format of the functional instruction changes due to a change in the input conditions; (d) outputting a lead address in the parameter area of one of the functional instruction sub-routines; and (e) executing a unified format functional instruction which is output to a machine tool.
References Cited (Backward Citations)
US4038533A
Cited
US4450525A
Cited
US4488258A
Cited
US4688193A
Cited
US4553224A
Cited
EP0180647A1
Cited
US4722043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-12-31 | 1994-07-02 | 1995-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-31 | 1998-07-02 | 1999-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-31 | 2002-07-02 | 2003-01-01 | $7700.00 | Window Closed / Lapsed |