A numerical control system equipped with a man-machine interface controller (MMC equipment) constructed in the form of a computer. The system comprises an NC unit (11), a programmable machine controller (13) which executes the sequence control relying upon the signals from the NC unit (11) and a machine tool (12), a man-machine interface controller (14) which is equipped at least with a CRT (14d) and a keyboard (14e) and which is constructed in the form of a computer, and a data transmission-reception control unit (15). The data are transmitted and received among the NC unit (11), the programmable machine controller (13) and the man-machine interface controller (14) while they are controlled by the data transmission-reception control unit (15).

Numerical control system

A user interface, typically to an irrigation controller, prompts user responses by asking questions. The questions are hierarchally organized, preferably in a hierarchal tree having approximately three to six questions on each hierarchal level between root and leaves. All command and data input may be done with only an "OK" pushbutton switch, and with an additional "↑", or "↓" pushbuttom switches. Each "OK" user response affirms the premise of a currently-displayed question, and advances the questioning to a related branch upon a next hierarchal level. The "↑" pushbutton is used to advance the questioning in a first direction. An optimal "↓", or down arrow,pushbutton switch advances the presentation of successive questions in a second direction. An optional "HELP" switch invokes context-sensitive help messages.

Machine interface system with hierarchal menus allowing user sequencing and selection of menu items by actuation of three switches

The process control display program receives input in the form of an alphanumeric process control statement (136, 138). The alphanumeric statement is parsed into its constituent lexical units and graphical icons (160-170) corresponding to those lexical units are arranged on the display screen (116) in an interconnected network or pattern which corresponds to the syntactic relationship of the lexical units which make up the statement being displayed. The change or flow of live data is depicted by changing the visual quality or color (160, 162) of the icons and their interconnecting network to provide a graphical representation of the alphanumeric statement which is readily understood by users worldwide.

Global process control information system and method

A system which uses interactive graphics displayed on a viewing means to control and indicate the operating parameters of an instrument. The interactive graphics which are displayed at any point in time depend on the present state of the instrument. Only those controls and indicators which are relevant to the present state will be displayed, which simplifies the display and reduces operator confusion. When the state of the instrument changes, controls and indicators will be redisplayed so as to be relevant to the new state. A control means allows the operator to interact with controls so as to change the state of the instrument. The controls and indicators can be displayed on the viewing means in a way that simulates their physical appearance. A plurality of instruments may be present in the system; if so, the operator can choose which to control, while a subset of parameters of the other instruments can be viewed simultaneously. The preferred method uses a computer program to display the graphics and control the instruments.

Method for using interactive computer graphics to control electronic instruments

The inventive master station apparatus for a remote supervisory control system makes poke points for selecting remote stations displayed on a video display (3) by an output control circuit (24), so that, when an operator touches one of the poke points on a touch panel (4), a CPU (21) makes the pattern and the current status of a monitored/controlled device of the corresponding remote station and a poke point for a control command displayed. When the poke point for the control command is touched, the CPU (21) transmits a control command to the monitored/controlled device of the corresponding one of remote stations (11, 12, . . . , 1n) through a line interface (5). When control of the corresponding device is executed, the remote station transmits a signal indicating the operation thereof to the master station apparatus (1). On the basis of the operation indicating signal, the CPU (21) updates the content of a status memory (23), and the status indication displayed on the video display (3) through the output control circuit (24).

Master station apparatus for remote supervisory control system with touch panel video display

Operation information is stored in a memory for numerically controlling a numerical control machine such as a machining tool. This information is displayed on a desired display, and an item of operation information is selected from the operation information displayed, so that the numerical control machine can be controlled in accordance with a predetermined program. Thus, a desired arbitrary item of operation information can be selected using a single machine operator's panel.

Machine operator's panel for numerical control

An apparatus for displaying a ladder diagram in a numerical control system having a programmable sequence controller function in which sequence processing is executed based on a sequence program to deliver commands from a numerical control device to a machine and signals from the machine to the numerical control device. A display unit (CRT) displays the sequence program in ladder diagram form made up of at least relays. The identification of a relay (M03) or the memory address storing the state of the relay (M03) is entered by means of an input device, and an item of sequence data employing the relay (M03) is selected based on the relay identification or on the memory address. A segment or rung of a ladder diagram that is based on the sequence data and thereby employs the relay (M03), is then displayed on the display unit (CRT).

Method and apparatus for displaying ladder diagrams.

An apparatus for displaying a ladder diagram in a numerical control system having a programmable sequence control function in which sequence processing is executed based on a sequence program to deliver commands from a numerical control device to a machine and signals from the machine to the numerical control device. A display unit displays the sequence program in the form of a ladder diagram made up of relays. The pictures of ladder diagrams in the sequence program which are displayed on a screen are generated by pattern and character information stored in a character generator. The identification of a relay of interest or the memory address storing the state of the relay is entered, an item of sequence data indicating the conditions which turn the relay on are selected, and a ladder diagram segments indicative of the conditions are displayed on the basis of the sequence data.

Method and apparatus for displaying segments of a ladder diagram which turn on an operator specified relay

A numerical control apparatus having a numerical control unit (11), a data input/output circuit for sending and receiving data between a machine (19) and the numerical control unit, a data input unit (13) for entering NC data, a manual data input unit (16) for entering NC data manually, and an operator's pendant (17), wherein there is provided a local control circuit (101), separate from the numerical control unit, for centrally controlling the data input unit, the manual data input unit and the operator's pendant. The local control circuit is connected to the numerical control unit directly through a data transfer line, or through the data input/output circuit.

Centralized peripheral interface with a numerical control unit

An apparatus for displaying a ladder diagram in a numerical control system having a programmable sequence controller function in which sequence processing is executed based on a sequence program to deliver commands from a numerical control device to a machine and signals from the machine to the numerical control device. A display unit displays the sequence program in the form of a ladder diagram made up of at least relays. The identification of a relay or the memory address storing the state of the relay is entered by means of an input device, and an item of sequence data employing the relay is selected based on the relay identification or on the memory address. All ladder diagram segments that include the specified relay are then displayed on the display unit. The displayed segments include those in which the specified relay is as an input or output relay.

System for simultaneously displaying all ladder diagram segments in which an operator designated relay appears as an input or output

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