The 'If-Then-Else' function

Description

Depending of the status of a 'If -Then-Else' condition, the 'If-Then-Else' function or the 'Then' function will be activated.

Parameters

Name

Introduce here a short and clear name for the 'If-Then-Else' function.

If Condition (TRUE)

see the ‘Condition’ function .

Status value of the conditional function

Select here the status on which the 'If-Then-Else' function has to control the conditional function. 2 statuses are possible:

On

If the status of the conditional function is 'on', then the 'Then' function will be switched.

Off

If the status of the conditional function is 'off' is, then the 'Then' function will be switched.

Select 'THEN'

Select here the function which is switched when the conditional function is true (on). Depending on the selected function some function specific parameters are put in. Consult the description of the specific function.

'Select 'ELSE'

Select here the function which is switched when the conditional function is not true (off). Depending on the selected function some function specific parameters are put in. Consult for this matter the description of the specific function.

• There is a 'Then' and an 'If' configured. When the 'If' is true, the status will be set through the status of the 'Then'. When de 'If' is NOT true, the status will be set through the status of the 'Else'.
• There is only a 'Then' or an 'Else' configured. The status of the 'If-Then-Else' function will always be set through the status of the one available 'Then' or 'Else'.

Function behaviour when used on an interface

Option 'On/Off'

Short

With a short push on the button the 'If-Then-Else' function checks what is the actual status of the conditional function. If this is true (on), then the 'Than' function will be activated in accordance with the preset status. If the conditional function is not true (off), than the 'Else' function will be switched in accordance the preset status.

Long

The operation is the same as described under 'Short'.

Option 'On'

Short

With a short push on the button the 'If-Then-Else' function checks what is the actual status of the conditional function. If this is true (on), then the 'Than' function will be activated in accordance with the preset status. If the conditional function is not true (off), than no action will be activated.

Long

The operation is the same as described under 'Short'.

Option 'Off'

Short

the 'If-Then-Else' function will be switched off; the status of the conditional function will be controlled. Depending on this status the 'Then' or 'Else' function will be activated according to the 'out' status of the set target value. When the function which will be switched is already 'out', nothing will happen with this function.

'Long

The operation is the same as described under 'Short'.

Function behaviour when operating in another function

An 'If-Then-Else' function can be selected in another function. Depending on the preset target value the functioning will be as follows:

On

The 'If-Then-Else' function is activated: the status of the conditional function is checked. Depending on this status the 'Than' or 'Else' function will be activated in accordance with the 'on' status of the preset target value. If the function which will be switched is already 'on', nothing will happen with the function.

Off

The 'If-Then-Else' function is switched off: the status of this conditional function is checked. Depending on this status the 'Than' or 'Else' function will be activated in accordance with the 'off' status of the preset target value. If the function which will be switched is already 'off', nothing will happen with the function.

On/Off

When the other function is activated, then the 'If-Then-Else' function is activated. When the other function is switched off, then the 'If-Then-Else' function is switched off.

Off/Off

When the other function is activated then the 'If-Then-Else' function is switched off. The status of the conditional function is checked. Depending on the status the 'Than' or 'Else' function is switched in accordance with the 'off' status of the pr set target value. If the respective function at that moment is already 'off', than nothing will happen. When being switched off, this operation is repeated.