F7: Parameters Adjust
4-129
4
Motion 4000
Speed Related Parameters
Follow the learn operations described in Section 3 of this manual to set up hoistway switches.
The A processor diagnostics table, MPI-A Diagnostics on page 4-67, is very helpful in allowing
you to view actual running conditions in the hoistway (speed at switches, etc.), and test your
settings as you make adjustments.
UETS Speed, 75 This is the speed, in feet per minute, which the car must be below when
opening the Up Emergency Terminal Switch. This value, plus the value of the UETS Delta Speed
settings, must not exceed 95% of Contract Speed.
UETS Switch: Depending upon the speed of the job, the Emergency Terminal Switch may be
positioned differently. Refer to your job drawings package.
UETS Distance, 76 This is the distance in inches from the top terminal floor level posi-
tion at which the Up Emergency Terminal Switch is placed. This value is learned: Please refer to
“Learning Floor Levels & Counterweight Position” on page 3-2.
UETS Delta Distance, 77 This is the distance in inches on either side of the Up Emer-
gency Terminal Switch position inside which the car must detect the Up Emergency Terminal
Switch. If the switch is not detected within this span, the car will perform an emergency stop.
Generally set to 6.0 inches.
UETS Delta Speed, 78 Delta Speed provides an “adder” to UETS speed. UETS speed
and Delta speed together may not exceed 95% of contract speed. The switch speed is learned:
Please refer to “Learning Floor Levels & Counterweight Position” on page 3-2. Initially, calcu-
late the Delta as 95% of Contract Speed - Learned Speed @ switch = Delta value.
The UETS Speed setting plus the Delta Speed setting determines the speed which the car must
be below in order to avoid an emergency stop. If you are tripping an ETS fault during car setup,
you can choose to increase the ETS speed above contract speed or disable the ETS switches by
setting them to Unused until you have sufficient control of the car.
Reduced Stroke Buffers Where reduced stroke buffers are used, the ETS inputs on
the TC-MPI are used as ETSL (Emergency Terminal Slowdown) switches. ETSL position will be
located at 90% of the reduced stroke buffer rated speed. ETSL Delta Speed will be 5% of the
reduced stroke buffer rated speed. If ETSL is too far below the speed curve, you can adjust the
Delta Speed closer to 10% of the reduced stroke buffer rated speed.
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