Model: NX100 SGDR-SDB350A01B
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
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.
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.
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.
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