Omron NT31 NT31C manual Functions relating to data input, Functions relating to communication

Section

Functions relating to data input

Input by touch switches

Data can be input by simply touching touch switches displayed on the screen.

The possible functions of touch switches include sending data to the host and changing the screen display. Inputs can be enabled and disabled from the host when interlock bits have been allocated.

Pop-up window function

A window overlaying the currently displayed screen can be alternately opened and closed by pressing a touch switch.

In addition to fixed character and graphic displays, control keys and character keys created as touch switches can also be set inside the window. A maximum of three windows can be displayed simultaneously. Since the window need only be opened when input is required, the screen can be used efficiently.

Numeral/character string setting function

Numeric keys and character keys can be assigned to touch switches so that numeric values and character strings can be input at the operation site.

The input data is written to numeral/character string memory tables and also sent to the host. It is also possible to disable input by control from the host.

Recipe function

Several words of numeric data can be edited at the PT Unit, and written to or read from the host in one operation.

Input from a bar code reader

Data read with a bar code reader can be input to a character string input field.

Functions relating to communication

Communications with the host

The NT31/NT31C can communicate with the host by four methods: host link, 1:1 NT Link, 1:N NT link (standard or high-speed), and Memory link. Data can be read from the host, and data input by means of touch switches and numeral/character string settings can be sent to the host. It is also possible to connect with other model PCs.

Functions relating to the system

System menu

System settings and maintenance can be performed by selecting from system menus displayed on the screen.

Creation of screen data

Screen data created using the Support Tool at a personal computer can be transferred and stored in the built-in screen data memory.

Resume function

The status and memory table contents of the NT31/NT31C immediately before its operation is stopped can be stored while operation is stopped, or while the power is off, and then displayed on the screen again when operation is restarted.

Screen saver function

This function serves to extend the service life of the backlight and prevent the formation of an afterimage on the screen.

Clock function

The time can be displayed in accordance with the internal clock data.

Programming Console function

The PT can perform the same operations as a C200H-PR027-E Programming Console when the PT is connected to a CPM1, CPM2A, CPM2C, CQM1, CQM1H, C200HX/HG/HE-(Z)E, or SRM1 PC in a 1:1 NT Link connection, or a CS1G/CS1H PC in a 1:N NT Link con- nection.

Device Monitor function

When the PT is connected to a PC in a 1:1 NT Link or 1:N NT Link, the PT can be used for operations such as changing the PC’s operat- ing mode, displaying or changing the PVs of words, or reading the error log.

System program install function

The system program of the NT31/NT31C can be changed by using the system installer supplied with the Support Tool (NT- ZJ3AT1/ZJCAT-EV2). It can also be installed by using a memory unit (NT-MF261).

Screen display history function/alarm history function

The screen display history function records the time at which specific screens are displayed and the number of times they are displayed. The alarm history function records the time at which specific bits at the host are turned ON and the number of times they are turned ON.

Trend graph logging function and background function

Changes in the contents of numeral memory tables displayed in trend graphs can be recorded (logging function). Also, the record can be maintained even when the trend graph is not displayed (background function).

Mathematical function

This function allows calculations to be executed continuously during PT operation when mathematical table has been set in screen data. Arithmetic operations, bit operations, logic operations, and comparison operations can be performed. Operations with up to 5 terms are possible.

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