CONTREX MLP-Trim - Manual (Page 38)

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Continue to gradually increase these increments by ten until you reach “90”.
Since there are no acceleration/deceleration ramps in Direct mode, a
sudden increase to “90” could cause damage in some systems.
7) Turn the MLP–Trim's maximum speed potentiometer clockwise until the
drive motor's RPMs are at the maximum operating speed at which you want
the system to operate. The maximum operating speed is the same speed
that you will enter in Max RPM Feedback (CP-34) to scale for the Master
mode of operation (Refer to
Operation: Control Parameters. Master Mode .
Check the speed (RPMs) by pressing the “Tach” key. If the lowest setting on
the MLP–Trim's maximum speed potentiometer still exceeds the maximum
speed at which you want the system to operate, then adjust the maximum
speed (span) potentiometer on the motor drive until the desired speed is
reached.
8) Put the Direct Setpoint back to 0% by entering the following on the keypad:
Press “Code Select”
Enter “6” (Direct Setpoint)
Press “Enter”
Enter “0”
Press “Enter”
9) Disable the MLP–Trim's Direct mode by entering the following on the
keypad:
Press “Code Select”
Enter “61” (Direct Enable)
Press “Enter”
Enter “0”
Press “Enter”
10) Put the MLP–Trim in “R–Stop” by opening the R–Stop input (J6 pins 6, 8).