Yaskawa G11-PPCB-4-15 Drive Power PCB — G5 / G7 / G11 Series Replacement

Yaskawa · CIMR-VC G11 · Power PCB · 4 kW / 15 HP Class · In Stock

The G11-PPCB-4-15 is, on the best available evidence, a Yaskawa CIMR-VC G11 series drive power PCB (PPCB) sized for the 4 kW / 15 HP, 400 V three-phase class. It is fitted as the main power-stage printed circuit board inside the legacy VS-616G5, CIMR-G5, CIMR-G7 and CIMR-VC G11 AC drive family. The G5 / G7 / G11 platform has been formally migrated to the A1000, V1000 and GA500, but the installed base remains enormous in steel, paper, hoist, extruder and crane duty.

KOEED keeps Yaskawa G11 PCBs in active stock for MRO buyers, panel builders and third-party repair shops that need a drop-in replacement when the original board has been damaged by short-circuit, contamination, or simply end-of-life. Send your BOM or a photo of the board to Moritta@KOEED.COM and we will confirm the exact revision within one business day.

1. Key Technical Specifications & Overview

The part number G11-PPCB-4-15 is a composite code: “PPCB” denotes a power printed circuit board, “4” points to the 4 kW / 15 HP rating, and “15” matches Yaskawa's 15-A 400 V output class. The table below is our best-effort decode; if your silkscreen shows a variant (e.g. PPCB-4-15A, PPCB-7-15, or a CIMR-G5 / G7 prefix) please email a photo so we can match the exact revision before shipping.

2. Application Scenarios & Where It Fits

The G5 / G7 / G11 generation is the workhorse that built out two decades of Yaskawa installations. KOEED still ships this family of power PCBs into the following typical application scenarios:

• Steel mills & rolling lines — pinch rolls, run-out tables, coiler drives, where the original Yaskawa G7 / G11 drive has been in service for 15 – 25 years and the OEM has long discontinued the part.
• Paper machines & corrugators — sectional drives on reel, drum and winder stands.
• Hoists, cranes & elevators — hoist and travel motions that demand the G11's high overload capacity (150 % / 60 s).
• Extruders & mixers — plastics and rubber lines where downtime cost dwarfs the cost of a spare PCB.
• Conveyor and material handling — typically paired with an Allen-Bradley or Siemens PLC supervisor.
• Water / wastewater — pump stations still running 2000s-era Yaskawa drives, often next to a Mitsubishi or Schneider Modicon.
• Textile & printing — line shafts and draw frames.

If you are evaluating a forward migration path away from G11, KOEED also handles the new-generation CIMR-VC4A0011 and CIMR-VC4A0015 drives and the modern Sigma-7 servo amplifiers, so one BOM owner covers both the legacy repair and the new-build path.

3. Integration & Wiring Notes

The PPCB sits between the line-side rectifier, the DC-bus capacitors and the IGBT bridge. Before installing, confirm the following integration points so that the new PCB is electrically identical to the one being replaced:

• Drive nameplate cross-check — verify the host drive is CIMR-G5, CIMR-G7 or CIMR-VC G11 and the frame size matches the 4 kW / 15 HP rating. Cross-references such as CIMR-VC4A0018 (4 kW, 18.5 A) use the same mechanical layout.
• Control board pairing — the PPCB works with the matching control PCB (typically a separate CP-xxx board) that holds the keypad, RS-485 / Modbus port and parameter memory. If both boards are being replaced, mention this in your RFQ so we ship the correct pair.
• DC-bus pre-charge — always allow at least 5 minutes for the bus capacitors to discharge below 50 V DC before handling the board.
• EMC & grounding — torque the chassis ground stud to the drive's specification (typically 1.0 – 1.5 N·m) to keep the EMC filter path intact.
• Encoder / feedback — if the host drive is in vector control, the encoder wiring on the control PCB is unrelated to the PPCB swap, but you should still verify that the encoder lines are not routed near the power PCB.

For fault-code context (e.g. OV, OC, PUF, EF on a G11 keypad), use the KOEED PLC Error Code Database to map the alarm to either the power stage (PPCB) or the control stage before ordering a board.

4. Installation & Commissioning Tips

• ESD first. Wear a grounded wrist strap when handling the PPCB. The IGBT gate pins are particularly sensitive to static discharge, and the original failure is sometimes a secondary ESD event from a previous removal.
• Back up parameters. Before removing the original board, read the drive parameters out via the keypad or by using Yaskawa's DriveWizard Plus software onto a USB stick. After the PPCB swap you can re-flash the same parameter set into the new control PCB.
• Inspect the heatsink interface. Clean the heatsink surface with isopropyl alcohol and apply a fresh, even coat of thermal compound to the IGBT baseplate. Old, dried compound is one of the most common reasons a "repaired" drive fails again within weeks.
• Torque sequence. Tighten the PCB standoff screws in a cross pattern to the spec given on the drive's service sheet (typically 0.8 – 1.2 N·m). Uneven torque can warp the PCB and crack the IGBT ceramic.
• First power-up. Power the drive with the motor disconnected and verify DC-bus voltage, keypad self-test, and absence of fault codes. Then power-cycle, reconnect the motor, and run a no-load acceleration ramp before putting the machine back into production.
• Test record. For warranty coverage, photograph the installed board and the drive's first self-test screen and email the images to Moritta@KOEED.COM.

If you are not sure whether the board itself is faulty, or whether the upstream IGBT / module is the real cause, upload a photo of the board to the KOEED AI Diagnostic Tool for a free, 24/7 triage before committing to a purchase.

5. Procurement, Warranty & Lead Time

KOEED ships the G11-PPCB-4-15 with a 90-day warranty via DHL or FedEx worldwide (typically 3 – 7 business days door-to-door, depending on destination customs). Every board is bench-tested for DC-bus pre-charge, IGBT gate integrity and control-board handshake before it leaves the bench.

Because the G11-PPCB-4-15 part number is a composite code that appears in both OEM and third-party contexts, please send the following when you request a quote so we can confirm the exact drive model and PCB revision:

1. A clear photograph of the existing board (front side, showing the silkscreen, and a close-up of the connector row).
2. The host drive's nameplate — we need the exact model code (CIMR-G5, CIMR-G7, CIMR-VC G11, or VS-616G5) and frame size.
3. Fault history from the keypad if available (e.g. OV, OC, PUF).
4. Quantity and destination country for shipping.

We will then confirm the exact revision, lock the price for 30 days, and reserve stock for your project. Pricing follows KOEED's standard B2B RFQ model: BOM-level quotation, volume tier available, and no fixed price published on the page. For a full multi-line BOM that mixes G11 PCBs with Omron SYSMAC CPUs, Fanuc CNC parts, or Panasonic FP PLCs, send the entire list in one email to Moritta@KOEED.COM and we will respond within one business day.