I am not familiar with what the EMI software will allow. I will tell you and alternative way of doing this.
The encoders go to the FMDC. take the covers off the motor pulleys. Move axis to the center of travel. With the drives ON, pull the plug on an axis encoder at the FMDC. If the balance is off, the pulley for that axis will start to move. Adjust the balance pot so the "drift" stops.
I am assuming that the 800 refers to a DAC command. On the machines with the FMDC, it was shipped with a plug on the RS232 port. This plug had some jumpers that allowed viewing the "terminal" on the machine CRT. This allowed viewing the fist event log and the status of each axis. See maintenance manual.
George
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
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