Yaskawa NX100 SGDR-SDB350A01B Servopack

Technical Dossier

Product Details And Specifications

Yaskawa NX100 Series: Comprehensive Module Range and Technical Overview

The Yaskawa NX100 is a multi-axis robot controller platform deployed across heavy industrial sectors including automotive assembly, chemical processing, nuclear facility maintenance, and oil refinery operations. Introduced as the successor to the XRC controller, the NX100 supports up to eight axes of coordinated motion and is compatible with Yaskawa Motoman robot arms across multiple generations. Its modular backplane architecture allows field-replaceable I/O, communication, and servo drive boards, making it a long-term fixture in facilities where controller replacement carries high downtime cost. The NX100 remains one of the most widely installed Yaskawa controller platforms globally, with active installations spanning production lines commissioned between 2003 and 2015.

The Evolution of NX100 Architecture

The NX100 platform was released circa 2003, replacing the XRC (released 1997) and preceding the DX100 (released 2008) and DX200 (released 2013). Architecturally, the NX100 uses a VME-based backplane with proprietary Yaskawa MECHATROLINK-II servo communication. Its CPU board runs a real-time OS managing path interpolation, I/O polling, and teach pendant communication simultaneously. Early NX100 units used SGDR-prefix servo amplifier boards (including the SGDR-SDB350A01B), which are distinct from the later SGDV and SGDH series used in DX100 and DX200 controllers. Cross-generation compatibility is limited: SGDR-series boards are not electrically interchangeable with SGDV-series without firmware and hardware modification. Facilities running NX100 controllers past their OEM support window (post-2018) must source SGDR-series boards from aftermarket suppliers, as Yaskawa has discontinued new production of most NX100-specific modules.

NX100 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components used within the Yaskawa NX100 controller platform. Each entry reflects a distinct functional role within the system architecture.

SGDR-SDB350A01B: 3.5kW servo amplifier board, axis drive module for NX100 multi-axis configuration.
SGDR-SDB200A01B: 2.0kW servo amplifier board, single-axis drive for lighter payload robot arms.
SGDR-SDB750A01B: 7.5kW high-power servo amplifier, used in heavy-payload Motoman configurations.
SGDR-SDB120A01B: 1.2kW compact servo amplifier, auxiliary axis or positioner drive.
JANCD-NCP01B: CPU board, primary motion controller and system coordinator for NX100.
JANCD-NIO01B: I/O interface board, manages digital input/output signal routing.
JANCD-NIF01B: Network interface board, handles fieldbus and external device communication.
JANCD-NBB01B: Backplane bus board, interconnects all NX100 modules via internal VME bus.
JANCD-NTU01B: Teach pendant interface board, manages pendant communication and E-stop logic.
JANCD-NSF01B: Safety function board, implements dual-channel safety monitoring per IEC 62061.
JANCD-NMB01B: Memory backup board, retains job programs and system parameters during power loss.
JANCD-NRK01B: Regenerative resistor control board, manages braking energy dissipation.
JANCD-NPS01B: Power supply board, provides regulated DC rails to NX100 backplane modules.
JANCD-NCO01B: Coordinated motion board, enables synchronized multi-robot or external axis control.
JANCD-NFC01B: Flash memory card interface board, used for program backup and firmware updates.
SGDR-AXA01A: Axis control sub-board, paired with SGDR-SDB series amplifiers for encoder feedback.
SGDR-COA320A: Converter board, AC-to-DC rectifier stage for NX100 servo power section.

Sourcing Hard-to-Find & Obsolete NX100 Parts

Yaskawa officially discontinued new production of NX100-specific modules following the platform's end-of-active-support designation. SGDR-series servo amplifier boards, including the SGDR-SDB350A01B, are no longer available through Yaskawa's standard distribution channels. DriveKNMS maintains a dedicated inventory of tested NX100 spare parts sourced from decommissioned systems, authorized refurbishers, and verified surplus channels. All units are inspected against original Yaskawa specifications before dispatch. DriveKNMS provides lifecycle extension support for NX100 installations, including cross-reference assistance for identifying functional equivalents where direct replacements are unavailable. Customers operating NX100 fleets in long-cycle industries (petrochemical, nuclear, heavy fabrication) are advised to establish buffer stock agreements to mitigate supply risk on critical path components such as CPU boards, servo amplifiers, and safety modules.

Quality Control for the NX100 Range

NX100 modules present specific test challenges due to their proprietary MECHATROLINK-II communication protocol and VME backplane signaling. DriveKNMS applies a multi-stage verification process to all NX100 components. Servo amplifier boards (SGDR-SDB series) undergo load testing at rated current with encoder feedback simulation to verify gate drive integrity and thermal performance. CPU and I/O boards are tested in a live NX100 rack environment to confirm backplane communication, memory read/write cycles, and I/O channel continuity. Safety boards are verified against dual-channel response timing specifications. All boards are inspected for capacitor ESR degradation, solder joint integrity, and conformal coating condition prior to release. Units failing any test stage are quarantined and not offered for sale.

© 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.