Simultaneity (ms) (only with Double_NC or Double NC/NO Input type): This is only active if
the previous parameter is enabled. It defines the maximum time (in ms) between the
switching of two different signals from the external contacts.
Enable Error Out: If selected reports a fault detected by the function block.
Item description: This allows a description of the component's function to be entered. The
text is displayed in the top part of the symbol.
ENABLE (enable key)
ENABLE function block verifies a manual key
device Input status. If the key is not turned the
output is 0 (FALSE). Otherwise the output is 1
(TRUE).
Parameters
Input type
- Single NO – Allows connection of
components with one NO contact;
- Double NO – Allows connection of
components with two NO contacts.
Enable reset: If selected this enables the request
to reset each time the command is activated.
Otherwise, enabling of the output directly
follows the input conditions.
There are two types of reset: Manual and
Monitored. When Manual is selected the system
only verifies the signal's transition from 0 to 1.
If Monitored is selected the double transition from 0 to 1 and then back to 0 is verified.
âž”
WARNING: If the Manual Reset is active, a consecutive Input have to be used.
Example : Input 1 and Input 2 are used for the fuctional block, then Input 3 have to be used for
the Reset Input.
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