smartDEN Opener
User Manual
24 Apr 2018
- 56 -
Protection Limit
, it will stay
OPENED
until some other input (DI, AI, TI, Auto Close, etc.) or
user send
CLOSE
command;
Real Time Current Sensor Value, units
: when closing the Main Controlled Device this
parameter show the current motor consumption. It is in ADC raw units;
Max Current Sensor Value, units
: the maximum measured current while closing the Main
Controlled Device. It is in ADC raw units;
Save
- should be clicked every time when made changes before leaving this page.
On the figure below it is illustrated an example with garage door and a car. Firstly the garage
door (Main) is
OPENED
by web server. Then accidently a car is parked below the garage door. A
CLOSE
command is received from the web server and
smartDEN Opener
starts
CLOSING
the
garage door. At given moment the door reaches the car and motor's current increases above the
Current Protection Limit
which changes Main direction and garage door starts
OPENING
.
Figure 10.13.
Current protection usage example
Use
Current Protection Limit
feature only if possible and with HIGH ATTENTION as
per the Main Controlled Device producer. It may damage your stuff if not proper tuned.
smartDEN Opener
can control motor with maximum consumption 4A or that is about
300 ADC raw units which means when the
CLOSE
button is clicked, the "
Real Time
Current Sensor Value"
and "
Max Current Sensor Value
" must be less than 300.
This type of protection is not suitable for all types of applications. Please use it with care!
Set up the parameters only as per the Main Controlled Device manufacturer.
The
Current Protection Limit
must be set as lower as possible in order to be sensitive
but still higher than
Max Current Sensor Value
in order to avoid fake detections.
