Easy xLogic, User Manual, Page: 107 / 226

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4 4 4 4.4.19 .4.19 .4.19 .4.19 Softkey Softkey Softkey Softkey
Short Short Short Short description description description description
This SFB provides the action of a mechanical pushbutton or switch.
The status of this switch can be changed momentarily in parameter mode. For information
about how to modify, refer to chapter 5.2.2 please.
Factory Factory Factory Factory state state state state
Default of 'Type' is 'momentary action switch'.
Timing Timing Timing Timing diagram diagram diagram diagram
Description Description Description Description of of of of the the the the function function function function
The output is set, when input En is set and the 'Status' parameter is set to 'On' and confirmed
with OK. This action is performed irrespective of a configured switch or pushbutton function.
The output is reset to '0' in the following threes cases:
•
With a 1 to 0 signal transition at input En.
•
When a pushbutton function is configured and one cycle has expired after its actuation.
•
When the 'Status' parameter sets the 'Off' status in configuration mode, and this has been
confirmed with OK.
Particular Particular Particular Particular characteristics characteristics characteristics characteristics to to to to be be be be noted noted noted noted when when when when configuring configuring configuring configuring
Connection Connection Connection Connection Description Description Description Description
Input En
En En
En Output Q is set with a 0 to 1 signal transition at input En
(Enable) and if, in addition, 'Status=On' has been
confirmed in configuration mode.
Parameter Type: Type: Type: Type: Sets either a pushbutton action for one cycle or a
switching action of the function.
Status
Status Status
Status : On or Off state that is applied in the initial cycle
after program startup, is retentivity is not set.
Retentivity Retentivity Retentivity Retentivity set (on) = the status is retentive in memory.
Output Q
Q Q
Q Output Q remains set 1, as long as En=1 and the status at
the parameter Type = Switch and Status = On.
Output Q is set for the duration of one cycle if EN=1 and the
status at the parameters Type = momentary (pushbutton)
and Status = On.