AMCI SMD34E2 Questions fréquemment posées - Page 2
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Removing the Main Power also causes the Position Invalid Status bit to become set. This
status Bit must be reset before you can perform Absolute Moves, or you can ignore this
status bit if you are performing any other type of move.
The following rung Presets the current motor position to the value in the AOI's Target
Position field, and also resets the Position Invalid status bit.
The Preset_Motor_to_Encoder, the CW_Home, or the CCW_Home commands can be used
in place of the Preset_Position AOI shown here to reset the Position Invalid Status bit.
Common Issues
Sending the Disable_Driver command to the SMD34E2 at the same time the main power is
•
removed.
This will cause the SMD34E2 to not detect that the main power has been removed, leading to
the status bits not correctly changing state, and finally to the above logic not functioning
correctly.
Sending the Reset_Error command before the Main Power has been restored.
•
The SMD34E2 only acts on the 0 to 1 transition of the command bit and sending the reset
error command before the main power has been restored will cause the unit to ignore the reset
error command.
File: FAQ_SMD34E2_removing_main_power.doc
Date: 10/28/2019
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Frequently Asked Questions
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