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Siemens PM240-2_EN_rev00-30082019.docx
11-7
The P21630 parameter set the increase of speed in respect to the low speed in downward direction
(negative value) in order to obtain a motor rotation in contrary sense during the valve closing phase. To
modify this parameter you have to proceed step by step of 0,05 at each time. For the compensation of
P21630 when the temperature changes, contact the OMARLIFT support.
ALWAYS CHANGE ONLY ONE PARAMETER AT A TIME.
11.4.3 Re-leveling
•
Setting the re-leveling
Test the re-leveling at empty conditions, moving the elevator downwards/upwards in respect to the
floor, by press the Emergency button for descent direction, and with the hand pump for upwards
direction.
If the restoration of the position of the plan is not satisfactory, adjust the parameter P21515 (2.2.8)
until you get the desired stop.
You can change the re-leveling at full load using the parameter PX9.
You can change the re-leveling at maximum oil temperature, using the parameter PX3.
11.4.4 Emergency
•
Parameters for EMERGENCY operation (input X121.7)
The inverter SIEMENS allows the dedicated management of a state of emergency power supply by
installing a UPS AC 400 V (not supplied), whose installation and dimensioning are the responsibility
of the customer.
The operation via UPS unit guarantees a limited number of runs both uphill and downhill, dependent
on the dimensioning of the same.
The Emergency function is controlled via input X121.7
You can adjust the speed of movement in the direction up or down through the parameters:
P21546 (2.6.1)
Emergency Speed Upward
P21547 (2.6.2)
Emergency Speed Downward
11.4.5 General Considerations
•
General rules for proper adjustment
-
If the high-speed cabin speed is not constant, check the motor data. In particular, the motor data
must match the "real" situation. Also verify that the mechanical devices (cabin / piston) have
uniform friction during movement.
-
To have a stop with constant precision is necessary that the cabin tread a small space (5 ÷
10cm) in low constant speed (adjust the parameters as indicated in the table).
-
Set the low speed to the desired value, bearing in mind that a very low value increases the time
of arrival at the floor.
-
Do not adjust the switching frequency at too high values, otherwise the engine and the inverter
will overheat unnecessarily.
11.5 RUPTURE VALVE TEST
The rupture valve test, verify the functionality of the safety device, that normally is installed on the cylinder or
in it neighborhood. This safety device, should stop the elevator in case of speed exceeding for 30% the rated
speed of the elevator.
SIEMENS inverter supplied by OMARLIFT, allows to test the functionality by a specific function, that you can
use only to perform the test and verify the rupture valve intervention.
If you need to perform a rupture valve test, see the following steps:
•
Make sure that the system is on safety conditions (travel shaft free, functionality of all safety and
control devices of elevator, etc..)
•
Load the elevator to the nominal weight, and climb to the top floor
•
Activate the test function, by setting the inverter parameter
P21523 Parachute function (2.13.1)
to
the value 1
Summary of Contents for 6SL3210-1PE21-1AL0
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