Yaskawa YRC1000 Modules: SCRA-SDA11H01A

Technical Dossier

Product Details And Specifications

Yaskawa YRC1000 Series: Comprehensive Module Range and Technical Overview

The Yaskawa YRC1000 is a sixth-generation robot controller platform deployed across heavy industrial sectors including automotive body-in-white assembly, chemical processing plants, nuclear facility maintenance robots, and petroleum refinery automation lines. Introduced as the successor to the DX200, the YRC1000 consolidates servo drive, safety logic, and communication management into a compact, unified cabinet architecture. Its global installed base spans facilities in Japan, the United States, Germany, China, South Korea, and the Middle East, making it one of the most widely maintained robot controller platforms in the world. The YRC1000micro variant extends the same architecture to collaborative and small-payload robot applications.

The Evolution of YRC1000 Architecture

Yaskawa's robot controller lineage progressed through the YASNAC MRC (1988), XRC (1998), NX100 (2003), DX100 (2008), and DX200 (2013) platforms before the YRC1000 was released in 2016. Each generation introduced tighter integration between motion control and safety circuitry. The YRC1000 replaced discrete safety relay boards with an integrated Functional Safety Unit (FSU) compliant with ISO 13849-1 PLe / SIL3, eliminating the external safety board that was a separate line item in DX200 cabinets. The SCRA-SDA11H01A inverter board specifically addresses the dual-arm SDA series robots (SDA5F, SDA10F, SDA20D), providing coordinated 11-axis servo drive output within a single module. Backward compatibility with DX200 teach pendants is not supported; YRC1000 requires the Smart Pendant or the YRC1000-specific Programming Pendant (PN: JZRCR-YPP21-1). Field engineers migrating from DX200 must account for differences in I/O connector pinouts and network topology (YRC1000 uses EtherNet/IP and PROFINET natively without add-on cards for base configurations).

YRC1000 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Yaskawa YRC1000 and YRC1000micro ecosystem, organized by functional category. Each entry reflects a discrete, field-replaceable unit.

Inverter / Servo Drive Boards

• SCRA-SDA11H01A: 11-axis coordinated servo inverter board for SDA dual-arm robots; medium/large payload; no integrated safety board.
• SRDA-EAXA01A: Servo amplifier axis board for YRC1000; single-axis drive output; standard payload class.
• SRDA-EAXA02A: Dual-axis servo amplifier board; used in GP-series 6-axis configurations.
• SRDA-COA01A: Converter board; AC-DC rectification stage for servo bus; common to YRC1000 and YRC1000micro.
• SRDA-SDA11A01A-E: Servo drive assembly for SDA10F/SDA20D; includes EMC filter stage.

CPU / Control Boards

• JANCD-YCP01-E: Main CPU board; robot motion planning and trajectory calculation; primary processing unit.
• JANCD-YCP02-E: Secondary CPU board; handles I/O processing and fieldbus communication offload.
• JANCD-YSF21-E: Functional Safety Unit (FSU); ISO 13849-1 PLe compliant; replaces external safety relay board.
• JANCD-YIF01-E: Network interface board; EtherNet/IP and PROFINET dual-protocol support.

I/O Modules

• JANCD-YIO01-E: Base I/O board; 40 DI / 40 DO; 24 VDC; standard cabinet I/O expansion.
• JANCD-YIO02-E: Extended I/O board; 64 DI / 64 DO; for high-density signal environments.
• JARCR-YIO21-1: Remote I/O unit; DIN-rail mount; EtherNet/IP slave; used in distributed cell layouts.

Power Supply Units

• JZNC-YPS01-E: Primary 24 VDC control power supply; 10 A output; internal cabinet mount.
• JZNC-YPS02-E: Redundant power supply module; hot-swap capable; used in high-availability lines.
• SRDA-ECONV01A: Regenerative converter unit; energy recovery during deceleration; reduces heat dissipation in cabinet.

Communication / Fieldbus Adapters

• JANCD-YBK01-E: DeviceNet master/slave communication board; legacy integration with older PLC networks.
• JANCD-YEW01-E: CC-Link IE Field slave board; used in Mitsubishi-dominant production environments.
• JARCR-YSF21-1: External safety fieldbus interface; PROFIsafe over PROFINET; for integrated safety PLC architectures.

Sourcing Hard-to-Find & Obsolete YRC1000 Parts

The YRC1000 platform entered general availability in 2016 and remains in active production as of 2026. However, first-generation sub-assemblies — particularly early-revision JANCD-YCP01-E CPU boards and SCRA-SDA11H01A inverter modules from pre-2019 manufacturing runs — are increasingly difficult to source through standard distribution channels due to component-level revisions and regional allocation constraints. DriveKNMS maintains a dedicated inventory of tested YRC1000 spare parts sourced from decommissioned production lines, authorized refurbishment programs, and verified surplus channels. For facilities operating SDA dual-arm robots in continuous-process environments where downtime cost exceeds USD 10,000 per hour, DriveKNMS provides emergency same-day quotation and air-freight dispatch from its Hong Kong and Xiamen logistics hubs. Long-term maintenance agreements (LTMAs) covering 3–10 year parts reservation are available for automotive OEMs and tier-1 suppliers managing multi-robot YRC1000 fleets.

Quality Control for the YRC1000 Range

YRC1000 modules present specific test challenges due to the platform's integrated backplane bus architecture, where servo drive, safety, and communication signals share a common high-speed serial backbone. DriveKNMS applies the following verification protocol to all YRC1000 units prior to dispatch:

• Backplane Bus Integrity Test: Each board is seated in a live YRC1000 test cabinet and subjected to full MECHATROLINK-III communication cycle verification at 500 μs cycle time.
• Servo Output Load Test: Inverter boards including SCRA-SDA11H01A are tested under resistive load banks simulating 11-axis concurrent motion at rated current.
• FSU Functional Verification: Safety boards (JANCD-YSF21-E) are tested against all defined safety function inputs (E-stop, speed monitoring, zone limiting) per IEC 62061 test procedures.
• Thermal Cycling: All boards undergo 4-hour thermal soak at 55°C followed by return-to-ambient verification to screen latent solder joint failures.
• Firmware Revision Logging: CPU and network boards are documented with firmware version, hardware revision code, and manufacturing date code prior to packaging.