YASKAWA PG Card Modules: 73600-A0024 PG-B1

Technical Dossier

Product Details And Specifications

YASKAWA PG Card Series: Comprehensive Module Range and Technical Overview

The YASKAWA PG Card (Pulse Generator feedback card) series is a family of encoder interface option cards designed for installation into YASKAWA variable frequency drives (VFDs), including the G5, G7, F7, E7, P7, and VS-616 series inverters. These modules provide closed-loop vector control by feeding encoder pulse signals back to the drive's control board, enabling precise speed and torque regulation. Across global heavy industry — petrochemical plants, nuclear auxiliary systems, offshore platforms, steel rolling mills, and refinery compressor trains — YASKAWA PG Cards are embedded in critical motion control infrastructure. Their long service life and the continued operation of legacy YASKAWA drive platforms make these cards among the most consistently sourced spare parts in the industrial automation aftermarket.

The Evolution of PG Card Architecture

YASKAWA introduced PG feedback option cards alongside the expansion of its closed-loop vector drive platforms in the late 1980s and through the 1990s. Early variants such as the PG-B1 and PG-X1 were designed for single-ended and differential encoder inputs respectively, targeting the VS-616 and CIMR-G5 platforms. As drive architecture evolved through the G7 and F7 generations (introduced in the early 2000s), YASKAWA refined the PG card interface to support higher pulse resolutions, improved noise immunity, and dual-channel configurations. The PG-B2, PG-X2, and PG-W2 variants introduced compatibility with 12V and 15V encoder power supplies and expanded the maximum input frequency ceiling. The PG-Z2 and PG-RT1 cards addressed specialized requirements including resolver feedback and high-resolution absolute encoder interfaces. By the mid-2010s, the A1000 and L1000A platforms introduced next-generation PG-X3 and PG-B3 cards with enhanced EMC shielding and support for EnDat and Hiperface encoder protocols. Legacy PG-B1 and PG-X1 cards, including the 73600-A0024 PG-B1, are now in the mature-to-end-of-life phase. YASKAWA no longer manufactures these parts through standard channels, making aftermarket sourcing and lifecycle extension support essential for plant operators maintaining older drive fleets.

YASKAWA PG Card Full Catalog & Functionalities (SKU List)

The following catalog covers verified YASKAWA PG Card SKUs across multiple drive generations. Each entry reflects a distinct hardware configuration. SKUs are organized by encoder interface type and drive platform compatibility.

Single-Ended (Open Collector) Encoder Interface Cards:

• 73600-A0024 PG-B1: Single-ended encoder feedback card for VS-616 / CIMR-G5 series; supports open-collector pulse input up to 32,767 PPR.
• PG-B2: Updated single-ended PG card for G7 / F7 / E7 platforms; 12V encoder power supply output; max input frequency 300 kHz.
• PG-B3: A1000-compatible single-ended encoder card; enhanced EMC shielding; supports 5V/12V encoder supply selection.
• PG-B1-E: Export variant of PG-B1 with conformal coating for high-humidity environments; functionally identical to 73600-A0024 PG-B1.

Differential Line Driver Encoder Interface Cards:

• PG-X1: Differential (line driver) encoder feedback card for VS-616 / CIMR-G5; supports RS-422 differential input; max 300 kHz.
• PG-X2: G7 / F7 / E7 compatible differential PG card; dual-channel A/B/Z input; 5V or 12V encoder power.
• PG-X3: A1000 / L1000A platform differential encoder card; supports EnDat 2.1 and Hiperface serial encoder protocols.
• PG-X2-E: Conformal-coated export variant of PG-X2 for marine and offshore applications.

Dual-Channel and High-Resolution Encoder Cards:

• PG-W2: Dual-channel differential encoder card for G7 / F7; supports master-slave encoder configurations in winding and draw applications.
• PG-W3: A1000-compatible dual-channel encoder card; supports synchronous control of multiple axes.
• PG-Z2: High-resolution encoder interface for F7 / G7; supports up to 1,024,000 PPR equivalent via interpolation; used in precision positioning.

Resolver and Absolute Encoder Interface Cards:

• PG-RT1: Resolver feedback card for A1000 / L1000A; interfaces with 2-pole and 4-pole resolvers; eliminates need for separate resolver-to-digital converter.
• PG-E3: Absolute encoder (EnDat 2.2) interface card for A1000; supports Heidenhain absolute encoders; retains position data on power loss.
• PG-F3: Absolute encoder (Hiperface) interface card for A1000; compatible with Sick/Stegmann Hiperface encoders.
• SI-EN3: EtherNet/IP encoder feedback and communication option card; used in networked motion control architectures on A1000 platform.

Sourcing Hard-to-Find & Obsolete PG Card Parts

The 73600-A0024 PG-B1 and related first-generation PG cards (PG-X1, PG-B1-E) have been discontinued by YASKAWA. Standard distribution channels no longer carry these parts, and lead times through OEM repair programs can exceed 16 weeks. DriveKNMS maintains a dedicated inventory of pulled, refurbished, and new-surplus YASKAWA PG Cards sourced from decommissioned drive systems, factory overstock, and authorized secondary market channels. For plant operators running CIMR-G5 or VS-616 drives in continuous-process environments where drive replacement is not operationally feasible, DriveKNMS provides a structured lifecycle extension program: parts identification by drive nameplate and option card slot, cross-reference to compatible successor cards where applicable, and direct exchange programs to minimize downtime. All obsolete PG Card stock is cataloged by hardware revision to ensure compatibility with specific drive firmware versions.

Quality Control for the PG Card Range

YASKAWA PG Cards interface directly with the drive's main control board via a dedicated option card connector. Failure modes specific to this card type include encoder power supply rail degradation, differential line receiver IC failure (typically 26LS32 or equivalent), and PCB trace corrosion on the encoder signal input lines. DriveKNMS applies a dedicated test protocol for all PG Card units prior to dispatch. Each card is bench-tested using a calibrated encoder signal simulator generating A/B/Z differential pulse trains at 1,024 PPR and 4,096 PPR at frequencies from 1 kHz to 200 kHz. Cards are installed into a compatible YASKAWA drive test rig and operated under closed-loop vector control to verify speed feedback accuracy within ±0.01% of set point. Encoder power supply output voltage is measured under load (100 mA) and confirmed within ±2% of rated value. Cards exhibiting any signal integrity deviation, power supply droop, or connector pin damage are rejected and not dispatched. A test report is available upon request for critical spare applications.

For sourcing inquiries on YASKAWA 73600-A0024 PG-B1 or any PG Card series module:

• Email: sale@driveknms.com
• WhatsApp: +86 18359293191
• Web: driveknms.com

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.