GE Fanuc Stepping Motor Driver Micro 281-500464 208-500464-2 281-501049-A 208-501049-5 30-106684A19

Name: GE Fanuc Stepping Motor Driver Micro 281-500464 208-500464-2 281-501049-A 208-501049-5 30-106684A19
Brand: GE Fanuc

Model: 281-500464 208-500464-2 281-501049-A 208-501049-5 30-106684A19

Brand GE Fanuc

Series Pending

Model 281-500464 208-500464-2 281-501049-A 208-501049-5 30-106684A19

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Technical Dossier

Product Details And Specifications

GE Fanuc Stepping Motor Driver Micro Series Technical Notes

The Evolution of Stepping Motor Driver Micro Architecture

The GE Fanuc Stepping Motor Driver Micro line evolved in parallel with the Series 90 PLC platform, introduced in the mid-1980s as GE Fanuc Automation's answer to distributed motion control in process industries. Early revisions such as the 208-500464-2 and 281-500464 were designed for direct backplane integration within the Series 90-30 rack, communicating over the proprietary GE Fanuc I/O bus. These modules provided 2-phase and 4-phase stepper drive outputs with configurable step rates and direction control via ladder logic.

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Stepping Motor Driver Micro Full Catalog & Functionalities (SKU List)

The following SKUs represent verified part numbers within the GE Fanuc Series 90 Stepping Motor Driver Micro and closely related motion/I/O module ecosystem. Modules are categorized by functional role:

Stepper Motor Driver Modules

281-500464: Stepping Motor Driver Micro, Series 90-30 backplane-mount, 2/4-phase output
208-500464-2: Alternate assembly revision of 281-500464; identical electrical specification, revised PCB layout
281-501049-A: Enhanced stepper driver with improved step frequency ceiling and thermal derating profile
208-501049-5: Production revision of 281-501049-A; updated EMI filter stage and connector locking mechanism
30-106684A19: Board-level assembly number for late-production Stepping Motor Driver Micro; used for depot-level repair identification
IC693MDL940: Output module, relay type, 2A/point — commonly paired with stepper driver for auxiliary control
IC693MDL645: 24VDC positive logic input module, 16-point — used for stepper position feedback interfacing

CPU & Controller Modules (Compatible Host)

IC693CPU364: Series 90-30 CPU, 240KB user memory, Ethernet-capable — primary host for stepper driver coordination
IC693CPU374: Series 90-30 CPU with expanded I/O scan and motion coordination capability
IC693CPU323: Entry-level Series 90-30 CPU; supports stepper driver in basic positioning applications

Power Supply Modules

IC693PWR321: 120/240VAC input power supply, 30W — standard rack power for Series 90-30 stepper configurations
IC693PWR330: High-capacity 120/240VAC power supply, 40W — recommended for multi-axis stepper rack builds
IC693PWR322: 24VDC input power supply — used in DC-powered panel installations

Communications & Adapter Modules

IC693CMM321: Communications coprocessor module — supports Modbus RTU and SNP protocol for remote stepper command
IC693CMM311: Genius Bus Controller — integrates stepper driver rack into plant-wide Genius I/O network
IC693BEM331: Ethernet Interface Module — enables EtherNet/IP connectivity for Series 90-30 stepper systems

Discrete I/O Modules (Stepper Interfacing)

IC693MDL740: 12/24VDC output module, 0.5A/point, 32-point — used for step pulse and direction signal output
IC693MDL241: 120VAC input module, 16-point — for limit switch and home sensor integration in stepper axes

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