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6.3
Back Up Logic Supply
The connector on the top side of the drive provides a connection for an external multi
voltage power supply to maintain the encoder logic signals while the main power
is removed.
Note: If an LX drive is connected to the back up supply, when the main supply
falls below 96 VAC, the "Drive OK" green LED goes off for about 2
seconds then lights again. The drive status relays follows the green LED
operation. In back up status, the drive disabled, the green LED is ON and
the drive status relay contact is closed.
Figure 6.3
LX back up logic supply connection
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Section 6– Page 3
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