Switching/Blind Actuator
4.1.3.12 Contact Type
The contact type function can be used for “Switch” and “Pulse” functions. For type of contact of the
outputs there are two possible selections:
Normally open
Normally close
The default parameter value for outputs is Normally open. For this configuration the switching output
contacts remains opened if the bobin is not energized. In other words, the channel contacts are closed
when a switch command of “1” is sent to switch object. For normally close configuration, this status
works vice versa. If a switch command of “1” is sent to switch object the contacts are opened.
For all functions (switching, logical, central.etc) if the Normally close configuration is selected, the
channel works inversely as before it works for Normally open configuration. In other words, what if
the channel position is when the normally open configuration is selected then its position will be the
changed inversely in the same function.
Example: Pulse function
Normally open configuration: The channel is switched ON for pulse length time and it is
switched OFF at the end of pulse length.
Normally close configuration: The channel is switched OFF for pulse length time and it is
switched ON at the end of pulse length.
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