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The Transparent function

Description

The 'Transparent' function connects the status of the input directly to the status of the selected function. When the input closes, the selected function is switched ON; when the input opens the selected functions is switched OFF (in case the input is ‘inverted’ the selected function is switched ON when the input opens and OFF when the input closes). The selected output can be controlled by another function, as long as the input state does not change, the Transparent function will not control the output.

Remark: At startup (or after download) the Transparent function will switch ON the selected function if the input is ‘closed’, but it will not switch OFF the selected function if the input is ‘open’.

Parameters

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Name
Introduce here a short and clear name for the 'Transparent' function.
Select Output
this parameter defines the function which has to be connected with an input in a transparent way. Depending on the function which is being integrated, some function specific parameters have to be set. Consult for this matter the description of the individual function which you use.

Function behaviour when used on an interface

When a 'Transparent' function is selected, then the names 'Short' and 'Long' modify into 'When closing' and 'When Opening'. This is because the option 'Edge Triggered' is set automatically with a 'Transparent' function. Consult for this function part 'Digital Input Interfaces'.

On closing
When a connected button is pushed or a contact is closed, the selected function is immediately activated. When the button is released or the contact is opened the function is immediately switched off. Consequently the function is activated immediately and lasts as long as the button is pushed (if the selected function is not controlled by another function).
On opening
(= in case of a push button contact 'on releasing') Not applicable. The transparent function cannot be selected in 'on opening'.

Also due to the specific function characteristics a 'Transparent' function is not available under the 'Long' push mode.

The 'On opening' mode can still be set autonomously, but is very seldom used.

Function behaviour when called from another function

Not applicable: a 'Transparent' function cannot be called from another function due to specific function characteristics.

Remark

The 'Transparent' function can be selected only under the 'On closing' mode of an input.

Switch Language

Technical Handbook:

Internal documentation

TT School