Rockwell Automation Publication 750-PM101B-EN-P - April 2022 9
Chapter 1 Overview
755TL and TR Drives with 24V Auxiliary Power
This procedure covers drives with 24V auxiliary power.
Energize
Energize the product in the following sequence:
1. Leave 24V auxiliary power (C) energized when the drive is not in
operation. This keeps up the control and communication.
2. Energize three-phase power (A).
3. Turn the fused disconnect switch (B) to the ‘On’ position.
4. After drive boots up, clear faults related to the three-phase outage.
De-energize
De-energize the product in the following sequence:
1. Turn the fused disconnect switch (B) to the ‘Off’ position.
2. De-energize three-phase power (A). This may not be needed.
Leave 24V auxiliary power (C) energized when the drive is not in operation.
IMPORTANT
This procedure assumes that 24V auxiliary power was not removed when
the product was de-energized. If you are conducting an initial powerup,
or if 24V auxiliary power was removed, only apply 24V auxiliary power as
the final step in the Energize sequence.
(A)
(B)
Three-phase Power
(C)
24V Auxiliary Power
Input Bay Power Bay
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