Parker Compax3 C3M050D6F11I20F30M00S0

Technical Dossier

Product Details And Specifications

Parker Compax3 Series Technical Notes

The Parker Compax3 (C3) series is a family of compact, high-performance servo drives and motion controllers manufactured by Parker Hannifin, one of the world's leading motion and control technology companies. Deployed across heavy industrial sectors including petrochemical processing, nuclear power auxiliary systems, offshore drilling platforms, and continuous-process refineries, the Compax3 platform has established a significant installed base globally since its introduction in the late 1990s. Its modular architecture — separating the power stage, feedback interface, fieldbus communication, and I/O expansion into configurable option slots — made it a preferred choice for OEMs and system integrators requiring application-specific servo solutions without custom hardware development. The C3M050D6F11I20F30M00S0 is a representative mid-range unit within this family, rated at 5.0 A continuous output current, configured with a resolver feedback interface (F11), DeviceNet fieldbus (I20), and standard I/O expansion (F30).

The Evolution of Compax3 Architecture

The Compax3 platform was introduced by Parker Hannifin's Electromechanical Division (EMD) circa 1998–2000 as a successor to the earlier Compax and Compax2 servo drive families. The original Compax3 hardware generation (C3Sxxx / C3Mxxx) used a modular slot-based design where the base unit contained the power electronics and DSP control board, while option cards populated dedicated slots for feedback (F1x), fieldbus (I2x), and I/O (F3x). This architecture allowed a single hardware platform to support resolver, SinCos encoder, EnDat 2.1, and Hiperface feedback types simply by swapping the F1x card.

The C3M (multi-axis) and C3S (single-axis standalone) variants diverged in their mechanical form factor: C3M units are designed for multi-axis rack mounting within a C3 power supply chassis, while C3S units are standalone drives with integrated power supply. The fieldbus option cards (I2x slot) evolved from early SERCOS I (I10), DeviceNet (I20), PROFIBUS DP (I30), CANopen (I11), and EtherNet/IP (I50) variants, reflecting the industrial fieldbus landscape of the 2000s. By the mid-2010s, Parker transitioned its servo drive portfolio toward the Compax3M (enhanced) and subsequently the P-Series and ViX platforms for new designs, placing the original Compax3 hardware in a mature/end-of-life support phase. Spare parts availability from the OEM has become increasingly constrained, making third-party MRO sourcing critical for facilities with long-lifecycle installations.

Compax3 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed units within the Parker Compax3 series. Units are classified by function based on their option card configuration codes embedded in the part number.

Single-Axis Standalone Drives (C3S)

• C3S025V2F10I10T11M00: 2.5 A standalone drive, SinCos feedback, SERCOS I fieldbus, standard I/O
• C3S038V2F10I11T11M00: 3.8 A standalone drive, SinCos feedback, CANopen fieldbus, standard I/O
• C3S075V4F11I20T11M00: 7.5 A standalone drive, resolver feedback, DeviceNet fieldbus, standard I/O
• C3S150V4F11I30T11M00: 15.0 A standalone drive, resolver feedback, PROFIBUS DP fieldbus, standard I/O
• C3S300V4F11I30T11M00: 30.0 A standalone drive, resolver feedback, PROFIBUS DP fieldbus, standard I/O
• C3S025V2F10I50T11M00: 2.5 A standalone drive, SinCos feedback, EtherNet/IP fieldbus, standard I/O
• C3S150V4F10I50T11M00: 15.0 A standalone drive, SinCos feedback, EtherNet/IP fieldbus, standard I/O

Multi-Axis Rack Modules (C3M)

• C3M025D6F11I20F30M00S0: 2.5 A rack module, resolver feedback, DeviceNet, standard I/O expansion
• C3M050D6F11I20F30M00S0: 5.0 A rack module, resolver feedback, DeviceNet, standard I/O expansion — current page SKU
• C3M075D6F11I20F30M00S0: 7.5 A rack module, resolver feedback, DeviceNet, standard I/O expansion
• C3M100D6F11I30F30M00S0: 10.0 A rack module, resolver feedback, PROFIBUS DP, standard I/O expansion
• C3M150D6F11I30F30M00S0: 15.0 A rack module, resolver feedback, PROFIBUS DP, standard I/O expansion
• C3M050D6F10I11F30M00S0: 5.0 A rack module, SinCos feedback, CANopen fieldbus, standard I/O expansion
• C3M075D6F10I50F30M00S0: 7.5 A rack module, SinCos feedback, EtherNet/IP fieldbus, standard I/O expansion
• C3M200D6F11I30F30M00S0: 20.0 A rack module, resolver feedback, PROFIBUS DP, standard I/O expansion

Power Supply Units (C3 PSU)

• C3PSU150D6: 15 kW DC bus power supply unit for C3M multi-axis rack systems
• C3PSU300D6: 30 kW DC bus power supply unit for C3M multi-axis rack systems

Quality Control for the Compax3 Range

The Compax3 platform presents specific technical challenges during inspection and refurbishment due to its multi-board architecture and DSP-based control system. DriveKNMS applies the following test protocol to all Compax3 units processed through its facility:

• Visual and Mechanical Inspection: Full disassembly; inspection of PCB traces, connector pins, and backplane interface contacts for corrosion, mechanical stress fractures, and thermal damage.
• Capacitor ESR and Capacitance Measurement: DC bus electrolytic capacitors and filter capacitors are measured for equivalent series resistance (ESR) and capacitance value against manufacturer datasheets. Units with out-of-tolerance capacitors undergo component replacement.
• IGBT and Gate Driver Verification: Power stage IGBTs are tested for gate threshold voltage, on-state resistance, and leakage current. Gate driver ICs are verified for propagation delay symmetry.
• Feedback Interface Functional Test: F1x option cards are tested with a reference resolver or encoder signal source to verify signal conditioning, interpolation accuracy, and fault detection logic.
• Fieldbus Communication Test: I2x option cards are connected to a reference PLC or fieldbus master to verify node addressing, data exchange, and error frame handling per the relevant protocol specification (DeviceNet, PROFIBUS DP, CANopen, EtherNet/IP).
• Full Load Dynamic Test: Units are operated under controlled resistive load at rated current for a minimum burn-in period to verify thermal management and steady-state performance.
• Firmware Version Verification: DSP firmware version is recorded and, where applicable, updated to the latest compatible release using Parker's C3 ServoManager configuration tool.