Owner manual

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Installation Instructions

PowerFlex

DC Drive - Frame B AC Current

Transducers

What This Kit Includes

• Two AC Current Transducers (with signal wires)

• Two Screws and washers

• Cables ties

• Static strap

Tools That You Need

• Phillips

screwdriver

• Flathead screwdriver

• Torque wrench

• Nut driver or wrench

Phillips

is a registered trademark of Phillips Screw Company.

ATTENTION: Only qualified personnel familiar with DC

drives and associated machinery should plan or implement the

installation, start-up and subsequent maintenance of the system.

Failure to comply may result in personal injury and/or equipment

damage.

ATTENTION: To avoid an electric shock hazard, ensure that all

power to the drive has been removed before performing the

following.

ATTENTION: This drive contains ESD (Electrostatic

Discharge) sensitive parts and assemblies. Static control

precautions are required when installing, testing, servicing or

repairing this assembly. Component damage may result if ESD

control procedures are not followed. If you are not familiar with

static control procedures, reference A-B publication 8000-4.5.2,

“Guarding Against Electrostatic Damage” or any other

applicable ESD protection handbook.

Summary of content (14 pages)

PAGE 1
Installation Instructions PowerFlex® DC Drive - Frame B AC Current Transducers ATTENTION: Only qualified personnel familiar with DC drives and associated machinery should plan or implement the installation, start-up and subsequent maintenance of the system. Failure to comply may result in personal injury and/or equipment damage. ATTENTION: To avoid an electric shock hazard, ensure that all power to the drive has been removed before performing the following.
PAGE 2
PowerFlex® DC Drive - Frame B AC Current Transducers What You Need to Do To install the AC Current Transducers: ❐ Step 1: Remove power from the drive ❐ Step 2: Remove the protective covers ❐ Step 3: Remove the Pulse Transformer and Switching Power Supply boards ❐ Step 4: Remove the existing AC Current Transducers ❐ Step 5: Install the new AC Current Transducers ❐ Step 6: Install the Pulse Transformer and Switching Power Supply boards ❐ Step 7: Replace the protective covers and document the change Step
PAGE 3
PowerFlex® DC Drive - Frame B AC Current Transducers Step 2: Remove the Protective Covers 3 1. Remove the screws and washers that secure the plastic shields to the bottom of the drive and remove the shields. 2. Remove the bolts, washers and wiring from the U and V phase AC input power terminals. Remove screws and shield Remove screws and shield Bottom View U Phase V Phase Remove bolts and wiring 3. Disconnect the DPI cable from the HIM assembly (if present). 4.
PAGE 4
PowerFlex® DC Drive - Frame B AC Current Transducers 5. Loosen, but do not remove, the screws that secure the top cover to the drive, then slide the cover up and off the drive chassis. Important: The HIM assembly is connected via a cable to the Control board and therefore will not pull free from the drive until disconnected. See step 4 below for instructions. Tightening torque: 1.5 N•m (13.
PAGE 5
PowerFlex® DC Drive - Frame B AC Current Transducers Step 3: Remove the Pulse Transformer and Switching Power Supply Boards 5 Note: The Switching Power Supply circuit board is located on the back of the Pulse Transformer circuit board. You must remove both boards in order to replace the AC Current Transducers. Note: The Switching Power Supply circuit board does NOT need to be removed from the Pulse Transformer circuit board. 1.
PAGE 6
PowerFlex® DC Drive - Frame B AC Current Transducers 3. Remove the cable from connector XTA on the Pulse Transformer board. 4. Remove the plug-in terminals from the Control power block on the Pulse Transformer board. Remove cable Remove plug-in terminals = 5. For Pulse Transformer boards with an armature voltage feedback terminal block, FIR2-XX, rev. “N” and higher, remove the connector from XCD_IO on the lower left corner of the board.
PAGE 7
PowerFlex® DC Drive - Frame B AC Current Transducers 7 7. Loosen the two captive screws at the top of the Control EMI shield and lower the shield. Important: If the drive is not in a vertical position, the Control EMI shield will not remain open without a means of restraint. Loosen screws 8. Remove the two screws that secure the air flow plate to the top of the Pulse Transformer board and lift the plate off the drive chassis.
PAGE 8
PowerFlex® DC Drive - Frame B AC Current Transducers 9. Remove the cables from connectors X3, X4 and XP on the Pulse Transformer board. Remove cable Remove cable Remove cable 10. Remove the ground connection at the left side of the Pulse Transformer board.
PAGE 9
PowerFlex® DC Drive - Frame B AC Current Transducers 9 11. Remove the appropriate gate leads: – For non-regenerative drives, remove each pair of (orange and yellow) gate lead cables from connectors KG01…KG06 and push each lead through the appropriate opening in the board. – For regenerative drive, remove each pair of (orange and yellow) gate lead cables from connectors KG01…KG06 and KG1…KG6 and push each lead through the appropriate opening in the board.
PAGE 10
PowerFlex® DC Drive - Frame B AC Current Transducers 12. Remove the seven screws that secure the board to the stand-offs on the drive chassis and remove the boards from the drive. Note: Regenerative drive shown Remove screws Step 4: Remove the Existing AC Current Transducers 1. Remove the bolts and washers that secure the U and V phase AC input bus bars to the isolation bar.
PAGE 11
PowerFlex® DC Drive - Frame B AC Current Transducers 11 2. Remove the bolts and washers that secure the resistor wires and U and V phase terminal bus bars to the corresponding SCR modules. – For Regenerative drives only, remove the bolts and washers that secure the resistor wires and the connecting bus bars to the U and V Phase SCR Modules and remove the wires and bus bars.
PAGE 12
PowerFlex® DC Drive - Frame B AC Current Transducers 3. Slide the U and V phase bus bars that pass through the AC Current Transducers up and out of the drive. 4. Remove the screw and washer that secures each of the AC Current Transducers to the drive frame and remove the AC Current Transducers.
PAGE 13
PowerFlex® DC Drive - Frame B AC Current Transducers 13 • Use the following table to determine the proper tightening torque for the bus bars connected to the SCR Modules: Step 6: Install the Pulse Transformer Board and Switching Power Supply Board 230V AC Input Drive Current Rating Code 146 180 218 265 360 434 DC Amps 146 180 218 265 360 434 AC Line Amps 119 147 178 217 294 355 HP 40 50 60 75 100 125 Final Torque 460V AC Input Drive Current Rating Code 167 207 250 330 412 DC Amps 167 207 250 330 4
PAGE 14
Step 7: Replace the Protective Covers and Documenting the Change 1. Replace the protective covers in the reverse order of removal as described in Step 2: Remove the Protective Covers on page 3. 2. Install DPI cable (if present). 3. Record the installation of the new AC Current Transducers and date of installation on the Field Installed Option label on the side of the drive (as shown below). Related Documentation Allen-Bradley publications are available on the internet at www.rockwellautomation.