Drive Startup (System 12 SCR Drive)
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iControl DC
Drive Offsets Calibration (System 12 SCR Drive)
The iBox processes drive control voltages digitally. The digital signal is converted to its analog
equivalent for output to the drive (DAC). Analog input control voltages are likewise converted
from analog to digital for use by the iBox (ADC). Both of these conversions should be checked
and any conversion offset corrected using the Output DAC and Input ADC parameters on the
Configuration > Drive > Calibration tab.
This section describes both the automated and manual procedures which can be used to cali-
brate the System 12 drive analog circuitry. MCE recommends using the automated procedure
first and then verifying the most critical offsets using the manual procedure.
Automated Drive Setup Procedure
Before adjusting the drive, verify that:
• CONTROLLER STOP switch is in the RUN position
• iBox Safety OK LED is ON
• iBox Door Locked LED is ON
• iBox Fault LED is OFF
1. Display the Drive setup layout (View > Layouts > Drive)
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