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209

Lamps, Touch Switches, Numeral Setting

Section 6-4

Cautions when bit input is permitted

If the touch switches are set in the following positions using the support tool while

the setting is “bit input permitted”, the following operations will occur due to the

configuration of the touch switches.

Take this into consideration when setting touch switch areas.

Example 1:

Touch switches are set at positions A, B, C, and D using the minimum switch set-

ting unit.

S If switches A, B, and C are turned ON at the

same time, switch D is also set ON.

S Similarly, if switches A, B, and D are turned ON

at the same time, switch C is also set ON.

Example 2:

Touch switch areas E, F, and G are set.

S If switches E and F are turned ON at the same

time, switch G is also set ON.

Touch switch notification/control and attributes

Inverse and normal display states can be set as attributes of touch switches by

using the support tool. There are slight differences in the operation when a touch

switch is pressed depending on whether bit input is permitted or not permitted.

Bit input not permitted: Touch switch notification by number

The touch switch is lit for 0.2 seconds when pressed and then returns to the

unlit status.

Bit input permitted: Touch switch notification by bit information

The touch switch is lit while pressed and returns to the unlit status when re-

leased.

When a touch switch which is currently lit or flashing is pressed, it is continuously lit

while pressed and returns to its original state when released.

Simultaneous pressing of multiple touch switches

Two or more touch switches can be simultaneously pressed if their statuses are

notified by bit information or if they use different host notification methods. Howev-

er, two or more switches cannot be simultaneously pressed if their statuses are

notified to the host by their numbers.

Omron NT20S User Manual

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