Rockwell Automation DC3RD Digital Regenerative DC Drive User Guide 1/4 - 2 HP, 115/230 VAC - Manual (Page 50)

Before applying power:
Check the following steps before proceeding:
1. The AC line voltage must be balanced, and match the
voltage on the drive nameplate.
2. Check that all switches are set to the correct positions.
3. The deadband (DB) trimpot must be set approximately
at the 3 o’clock position for 60 Hz AC line frequency or
at 9 o’clock for 50 Hz AC line frequency.
4. The motor must be rated for the drive’s rated armature
(all motors) and field outputs (shunt wound motors
only).
5. Do not make any connections to F1 and F2 if using a
permanent magnet motor.
6. Terminal block connections should be consistent with
the connections shown in this manual.
7. Check that line fuses FU501 and FU502 are properly
sized and not blown.
42 Troubleshooting
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