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2-82 Manual # 42-02-7223

Calibrating Actual Car Speed (Quattro DC Drive)

If iLand and iLink are already installed, use the landing system speed (Speed/Actual on the

Operational Status tab) as the speed reference for speed calibration. If not, use a hand-held

tachometer to obtain the value.

If you are using a hand-held tachometer, hold it against the hoist or governor rope on the

machine. The car must run at the commanded inspection speed in both directions. If the mea-

sured inspection speed does not match the commanded value, verify the following:

1. Verify the Inspection - High Speed parameter (View > Configuration > Pattern > Modes

tab).

2. Verify that Pattern scaling is set to 100% (Configuration > Pattern > Common tab).

3. Verify drive parameters set earlier. Please refer to “Initial Drive Settings (Quattro DC

Drive)” on page 2-71.

4. Adjust A1-Contract Mtr Spd (higher RPM for increased speed) in small increments to

obtain the correct Inspection speed.

Verify Pattern Command and Drive Speed Feedback

1. From the View > Diagnostics menu, select Virtual Oscilloscope, and set Test point 1 =

Pattern (Command) and Test point 2 = Speed Feedback.

2. Run the car on Inspection and verify that the Speed Feedback trace is following the Pat-

tern (Command) trace. (If Standard Profile/High Speed, Inspection Profile/High Speed,

and actual car speed are correct, this will be the case. If not, verify and correct these set-

tings.)

MCE iControl User Manual

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