Omron V022-E3-1 operation manual Section, Functions of touch switches

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Section 4-7

Functions of touch switches

Touch switches can have the following functions:

- PC notification function

Direct connection (page 181)

RS-232C communication (page 205)

-Screen switch (standalone) function (page 141)

-System key function (page 142)

-Numeral setting function (page 146)

Direct connection (page 189)

RS-232C communication (page 205)

Touch Switch Attributes The￿following attributes can be set for touch switches.

Display frame

The area that will respond as a touch switch is displayed in the form of a frame, as shown in the table below. One of three types of frame - standard, 3-D, and none - can be selected.

Type of Display

Frame

Switch OFF

Switch ON

Standard

3-D

None

If “none” is selected, only the touch switch’s guide display message (or nothing, if there is none) are displayed until a “light” or “flash” designation is sent from the

￿PC/Host or the touch switch is pressed. Inverse display on input

It is possible to set a touch switch so that its display will be inverted when it is

￿pressed.

Lighting and flashing

When using host link/NT link/C200H direct communication, it is possible to spec- ify whether a touch switch will be lit continuously or flash when the bit allocated to it is turned ON by an instruction from the PC.

When using RS-232C, it is possible to specify whether a touch switch will be lit

￿continuously or flash in response to an instruction from the Host. Presence/absence of a guide display

A guide display message can be displayed at a touch switch location.

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