Fuji Electric SA510062-02

Technical Dossier

Product Details And Specifications

Fuji Electric SA5 Series Technical Notes

The Evolution of SA5 Series Architecture

The SA5 Series emerged from Fuji Electric's earlier SA3 and SA4 control platforms developed in the late 1980s and early 1990s. The SA3 generation introduced the foundational backplane bus topology that the SA5 would later refine. The SA4 transition brought improved processor clock speeds and expanded I/O addressing capacity. With the SA5, Fuji Electric implemented a 16-bit parallel bus architecture with hardware interrupt handling, enabling sub-10ms scan cycles for time-critical process loops.

The SA5 platform's compatibility matrix is a critical consideration for maintenance engineers. SA5 CPU modules are not backward-compatible with SA3-generation backplanes due to bus voltage and pinout differences. However, many SA5 I/O modules — particularly the digital input and digital output cards — share physical form factors with SA4 equivalents, creating a risk of incorrect substitution in the field. Engineers must verify the module generation stamp on the PCB silkscreen before installation.

By the mid-2010s, Fuji Electric began transitioning customers toward the MICREX-SX SPH series and the NP1 platform. The SA5 Series entered its end-of-active-production phase, with Fuji Electric officially discontinuing new manufacturing for most SA5 catalog numbers. The installed base, however, remains substantial. Facilities with 20–30 year operational horizons — nuclear plants, refineries with long turnaround cycles — continue to operate SA5 hardware and require reliable access to spare modules for lifecycle extension programs.

SA5 Series Full Catalog & Functionalities (SKU List)

The following catalog covers verified SA5 Series module part numbers, organized by functional category. Each entry reflects the module's primary role within the SA5 control architecture.

CPU & Processor Modules

• SA510001-01: Main CPU module, 16-bit processor, primary scan controller for SA5 rack
• SA510001-02: CPU module Rev.2, enhanced memory addressing, direct replacement for -01 variant
• SA510002-01: Redundant CPU module, hot-standby configuration, bumpless transfer on fault
• SA510003-01: Co-processor module, floating-point arithmetic unit for PID loop acceleration

Digital Input (DI) Modules

• SA510010-01: 16-channel 24VDC digital input module, optically isolated, 5ms filter
• SA510010-02: 32-channel 24VDC digital input module, high-density I/O expansion card
• SA510011-01: 16-channel 120VAC digital input module, zero-crossing detection
• SA510012-01: 16-channel dry contact input module, internal 24VDC wetting voltage

Digital Output (DO) Modules

• SA510020-01: 16-channel 24VDC transistor output module, 0.5A per channel, short-circuit protected
• SA510021-01: 16-channel relay output module, Form-C contacts, 2A/250VAC rated
• SA510022-01: 8-channel high-current relay output, 5A/250VAC, for motor starter interlock circuits

Analog Input (AI) Modules

• SA510030-01: 8-channel analog input, 4–20mA / 0–10V selectable, 12-bit resolution
• SA510031-01: 4-channel thermocouple input module, K/J/T/E type, cold-junction compensated
• SA510032-01: 4-channel RTD input module, Pt100/Pt1000, 3-wire configuration

Analog Output (AO) Modules

• SA510040-01: 4-channel analog output, 4–20mA, 12-bit DAC, loop-powered field devices
• SA510041-01: 2-channel high-resolution analog output, 16-bit DAC, for precision valve positioners

Communication & Network Adapter Modules

• SA510050-01: RS-232C serial communication module, point-to-point SCADA link
• SA510051-01: RS-485 multi-drop communication module, Modbus RTU master/slave
• SA510052-01: Ethernet TCP/IP communication module, 10BASE-T, OPC server interface

Power Supply Modules

• SA510060-01: 24VDC rack power supply module, 5A output, input range 100–240VAC
• SA510061-01: Redundant power supply module, N+1 configuration, automatic failover
• SA510062-02: Circuit board module — power conditioning and bus regulation card for SA5 backplane, provides stable DC rail distribution to all installed I/O and CPU modules; critical for rack integrity in high-vibration environments

Backplane & Rack Infrastructure

• SA510070-01: 8-slot SA5 base rack, DIN rail or panel mount, passive backplane bus
• SA510071-01: 16-slot SA5 expansion rack, requires SA510050 or SA510052 for inter-rack link

Sourcing Hard-to-Find & Obsolete SA5 Series Parts

Modules such as the SA510062-02, SA510001-01, and SA510002-01 are among the highest-demand obsolete items in the SA5 catalog. Inquiries for these part numbers are processed with priority lead-time commitments.

Quality Control for the SA5 Series Range

SA5 Series modules present specific test challenges due to their parallel backplane bus architecture and mixed analog/digital signal routing on shared PCB layers. DriveKNMS applies the following test protocol to all SA5 modules prior to shipment: