GE IC9528A102J1AA1
Product Name: GE Fanuc IC9528A102J1AA1 – RX3i Series Programmable Logic Controller CPU Module
Product Introduction: The IC9528A102J1AA1 is a high-performance 32-bit RISC processor CPU module in GE Fanuc’s (now GE Vernova) RX3i series, serving as the upgraded evolution of the 90-30/90-70 product families. It is widely deployed in gas turbine control, power plant DCS, water treatment, and petrochemical automation applications. The “J1” identifier denotes 24V DC power supply, and “AA1” indicates the revision level.
Detailed content
Technical Specifications:
- Processor: 32-bit RISC, 400 MHz clock speed
- Program Memory: 8 MB Flash + 32 MB SDRAM
- Data Memory: Retentive data storage supported
- I/O Capacity: Maximum 1024 points via VersaMax I/O bus
- Communication Interfaces: Ethernet (10/100 Base-T), Serial Port, Genius Bus
- Scan Cycle: As fast as 0.5 ms per 1K I/O
- Power Supply: 24 V DC ±20%
- Power Consumption: Maximum 5 W
- Operating Temperature: 0–60 °C
- Mounting: DIN rail (35 mm) or panel mount
Key Features:
- Supports IEC 61131-3 programming languages (LD, FBD, SFC, ST, IL)
- Embedded motion control for multi-axis servo/stepper control
- Integrated safety functions (Safety over EtherNet/IP)
- Redundancy support (dual-machine hot standby)
- Built-in Web Server for remote diagnostics and maintenance
- Compatible with GE CIMPLICITY / iFIX / Proficy HMI/SCADA
- Rich protocol support: Modbus TCP/RTU, Profibus, EtherNet/IP, DeviceNet
Material Composition:
- PCB: FR-4 high Tg glass-fiber epoxy board
- Connectors: Gold-plated spring contacts (rated >100 insertion cycles)
- Enclosure: Flame-retardant ABS with metal shielding
Application Scenarios: Gas turbine control (GE 7FA/9E/MS7001/MS9001), thermal power plant DCS, water treatment plant SCADA, petrochemical process control, manufacturing automation lines.
Installation Requirements:
- Install on standard 35 mm DIN rail or backplate
- Add ≥470 µF filtering capacitor at 24V DC power input
- Use shielded twisted-pair for communication cables; ground resistance <4 Ω
- Maintain ≤15 m distance between CPU and I/O modules (can be extended with repeaters)
Usage Notes:
- Confirm correct power polarity before energizing (reverse connection strictly prohibited)
- Execute CPU reset before program download
- Regularly back up programs to non-volatile storage
- Replace battery (if applicable) within 10 seconds to prevent program loss












