165
Adjusting Slowdowns
Note: If the Controller is power cycled or initialized in the middle of the
Hoistway it will NOT command high speed until a terminal landing run has
been achieved.
The controller uses different speed profiles determined by the length of run the
car is going to make. Before you adjust the slowdowns, look at the commanding
car speed on the lower left hand corner of the LCD main screen.
1. To adjust the slowdown distance, make sure you’re adjusting the slowdown
distance in the profile you’re running the car.
a. For instance, using the speed profiles from the previous page, if you’re
running the car and it’s commanding 175FPM then you’ll adjust the S2
Slowdown distances. If it’s running 350 FPM then you’ll adjust the S3
Slowdown distances.
2. Start by adjusting the slowdown distance in the Down direction. Move the
car to the top of the Hoistway.
3. On the Machine Room SRU, go to | MAIN MENU | DEBUG | ENTER CAR
CALLS to enter a car call for a One Floor run DOWN and observe
performance.
4. Note: The car may level for an excessive period of time using the factory
defaults. As the Car is leveling observe the performance and reduce or
expand the slowdown distance to meet a sustained 4-6 inches of Leveling
Speed (or 3-5 seconds) prior to the car reaching floor level and stopping.
5. Adjust all of the Slowdowns Distances in this profile by going to | MAIN
MENU | SETUP | SPEEDS AND SLOWDOWNS | S# | S# SLOWDOWNS | S#
ALL.
6. If more or less slowdown is desired, simply increase or decrease the distance
value in “S1 All” by increasing or decreasing the count value.
7. Now move the car to the bottom of the Hoistway.
8. Enter a car call for a One Floor Run in the up direction to verify that the
slowdown previously adjusted is good.
9. Once the One Floor Profile is adjusted, repeat the same procedure for all the
higher Speed Profiles you may have.
10. When testing the leveling distance, make sure that the car call you entered
is for the correct speed profile.
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