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Utility U0 Menu
120
OVERSPEED TEST
(Overspeed Test Function)
The speed command is normally limited by
Overspeed Level parameter (OVERSPEED
LEVEL(A1)), which is set as a percentage of
the contract speed (100% to 150%). But in
order to allow overspeed tests during elevator
inspections, a means is provided to multiply
the speed command by the Overspeed
Multiplier parameter (OVERSPEED
MULT(A1)).
An overspeed test can be initiated by:
an external logic input
the serial channel
directly from the digital operator
Overspeed Test via Logic Input
The external logic input can be used by:
Setting the Overspeed Test Source
parameter to external tb1.
Defining a logic input terminal to ospd test
src.
NOTE: This logic input requires a transition
from false to true to be recognized - this
prevents the overspeed function from being
permanently enabled if left in the true state.
Overspeed Test via Serial Channel
The serial channel can be used by setting
Overspeed Test Source parameter to serial.
Overspeed Test via Operator
The Digital Operator can also initiate the
overspeed test by performing the following:
While the Digital Operator display shows
Press the ENTER key. The sub-menu LED
will turn on, and the Digital Operator will
display:
Press the ENTER key again. The sub
menu LED will go out and data entry LED
will turn on.
Press the up arrow or down arrow key and
the display will change to:
Press the ENTER key to begin the
overspeed test.
The value in the Overspeed Mult parameter is
applied to the speed reference and the
overspeed level, so that the elevator can be
operated at greater than contract speed and
not trip on an Overspeed Fault.
When the Run command is remove after the
overspeed test, overspeed test reverts back to
its default of NO. In order to run another
overspeed test via the Digital Operator, the
above steps must be repeated again.
8:55
U0 UTILITY
U4 OVERSPEED TEST
READY
RUN
USER
FAULT
TORQUE
LIMIT
SUB MENU
DATA ENTRY
U4 8:55
Overspeed Test?
NO
READY
RUN
USER
FAULT
TORQUE
LIMIT
SUB MENU
DATA ENTRY
U4 8:55
Overspeed Test?
YES
READY
RUN
USER
FAULT
TORQUE
LIMIT
SUB MENU
DATA ENTRY
Содержание HPV 900 Series 2
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Страница 227: ...205 Z Z MARKER LOST 150 Zero Speed Level parameter 47 Zero Speed logic output 105 Zero Speed Time parameter 47...
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