
Geo Direct PWM Amplifier
Drive Command Structure 46
DRIVE COMMAND STRUCTURE
Default Mode
In default mode, the Geo Direct PWM Drive returns phases A and B current measurements as well as
global and axis faults.
Failure to set the ADC strobe word correctly could result in damaging
the drive’s electronics.
The global and axes faults are in the lower 12 bits of ADC A, whereas the current measurements are in
the upper 12bits of ADC A:
Phase A Current Measurement
The ADC Strobe word must be set up properly for the data to come back correctly (and proper operation):
Gate3[i].Chan[j].AdcAmp[0]
In normal mode operation, the ADC Strobe word has to be set for each
Servo IC which has a PWM Drive attached to it.
The ADC Strobe word can be saved with the SAVE command. It will
be set automatically on the next power-up or normal reset.
In default mode, ADC B does not contain any significant data.
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