Rockwell Automation GV3000 AC Pwr Module Ver. 5.0 Hardware Ref, Installation, and Troubleshooting User Manual
Page 53
5Ć5
5.5 Installing Power Wiring from an External DĆC Bus to the Drive's
Internal DĆC Bus Terminals
Use the following steps to connect DĆC input power to the drive:
Step 1. Wire the DĆC input power leads by routing them according to drive type. Refer to figures 4.1
through 4.6. Tables 3.3 through 3.7 contain the recommended power wiring sizes.
On 1Ć5 HP drives, route the power leads through the bottom right opening of the drive base.
On 7.5Ć25 HP drives, route the power leads through the bottom middleĆright opening of the
drive base. If the snubberĆresistor braking option is used, route the power leads through the
bottom right opening.
On 25Ć60 HP drives, route the power leads through the top right or bottom right openings of
the drive base.
On 60Ć100 HP drives, route the power leads through the bottom left opening of the cover.
On 100Ć150 HP drives, route the power leads through the top left opening of the cover.
CAUTION: Do not route signal and control wiring in the same conduit with power wiring. This can cause
interference with drive operation. Failure to observe this precaution could result in damage to or destruction
of the equipment.
CAUTION: If the GV3000 drive is connected to an external DĆC bus, the user is responsible for DĆC bus
shortĆcircuit protection. Failure to observe this precaution could result in damage to or destruction of the
equipment.
Step 2. Connect the DĆC input power leads (twoĆwire 620 VDC nominal) to the proper terminals
according to drive type.
On 1Ć60 HP drives, connect the DĆC input power leads to terminals + and - on the power
terminal strip.
On 60Ć150 HP drives, connect the DĆC input power leads to terminals 45 and 47.
Note that the maximum discharge rate of the DĆC bus supply should be 200V/second.
Step 3. Tighten the DĆC input power terminals to the proper torque as shown in table 5.1.
Step 4. On 60Ć150 HP drives using volts/hertz regulation, set parameter H.017 to a value greater
than one to enable DĆC bus operation. Refer to the GV3000 Programming instruction
manual (D2Ć3339) for additional information.