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Open-loop Start-up
10
Verify Parameters at Default
5) Verify the following A1 and A4 parameters
are set at default.
parameter name
default
DC START LEVEL (A1)
50.0
DC STOP LEVEL (A1)
50.0
DC STOP FREQ (A1)
0.5
DC START TIME (A1)
1.00
DC STOP TIME (A1)
1.00
SLIP COMP TIME (A1)
1.50
SLIP COMP GAIN (A1)
1.00
TORQ BOOST TIME (A1)
0.05
TORQ BOOST GAIN (A1)
0.00
MTR TORQUE LIMIT (A1)
200.0
REGEN TORQ LIMIT (A1)
200.0
ILIMT INTEG GAIN (A4)
1.00
HUNT PREV GAIN (A4)
1.00
HUNT PREV TIME (A4)
0.20
Low speed inspection mode
6) Run the drive in low speed inspection mode
and…
•
Verify proper hoistway direction…can be
reversed with the MOTOR ROTATION
(C1) parameter.
•
Verify that the Safety Chain /
Emergency Stop works
Adjust Motor RPM (Slip)
7) At Empty Car, run the drive at 10% of
contract speed and complete the Motor
RPM Adjustment Procedure detailed on
page 10.
8) At Full-load, run the drive at 10% of contract
speed and complete the Motor RPM
Adjustment Procedure detailed on page 10.
High speed mode
9) Run the drive in high speed mode
(Balanced, Full-load and Empty Car) and
observe operation…if operation issues
please refer to the Performance
Adjustments section.
This completes the recommended open-loop
start-up procedure.
Motor RPM Adjustment Procedure
•
Run the car in the UP direction
- measure and record the car speed
using a hand tach on the sheave
(wait for speed to stabilize)
OR
- time one complete rotation of the
sheave and record the time (in
seconds) it takes for exactly one
sheave rotation
•
Run the car in the DOWN direction
- measure and record the car speed
using a hand tach on the sheave
(wait for speed to stabilize)
OR
- time one complete rotation of the
sheave and record the time (in
seconds) it takes for exactly one
sheave rotation
•
If the speeds/times are different UP vs
DOWN…increment or decrement the
RATED MTR SPEED (A5) parameter
and run UP and DOWN again
•
Continue until the speeds/times UP vs
DOWN are the same.
Note: If an OVERCURR FLT occurs,
refer to “Overcurrent Faults” in the
Performance Adjustments section
(page 12)
Note: If stalling occurs when attempting
to lift the load, refer to “Stalling
Attempting to Lift Load” in the
Performance Adjustments section
(page 11). Additionally,
sometimes the adjustments made
to help with stalling attempting to
lift load can be set to default once
the RATED MTR SPEED (A5)
parameter is adjusted properly.