Technical Specifications Operating Supply Voltage: 5 VDC from main CPU board Memory Capacity: Industrial non‑volatile memory chip set Interface Type: Board‑to‑board plug‑in connector Operating Temperature: 0 ℃ to +55 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mounting Form: Stack plug‑in installation onto CPU main board Protection Class: IP20 Certifications: CE
Functional Features Expands non‑volatile memory storage capacity for ABB 500 series controller. Realizes user application program and key system parameter power‑off retention. Completes high‑speed data interaction with main CPU through board‑level connector. Supports system firmware and runtime data caching during controller operation. Adopts compact stack‑mount structure without extra rack slot occupation. Strict mechanical and electrical matching for 500 series CPU hardware revision.
Application Scenarios ABB 500 series PLC controller memory expansion upgrade. Process automation control system CPU spare‑part replacement and maintenance.
Performance Parameters Data retention time: Long‑term non‑volatile storage without external power supply Fault tolerance: Module abnormal state triggers system diagnostic alarm without permanent data corruption Mean Time Between Failures: Exceeds 260000 hours Shock and vibration resistance: Complies with IEC 60068‑2‑6 cabinet‑mount industrial standard.
Installation Requirements Power off the whole controller rack and cut off 24 VDC power supply before installation work. Wear ESD anti‑static wrist strap during handling to prevent static discharge damage to memory chips. Align board‑to‑board connector accurately, press daughter‑board steadily until buckle locks completely. Confirm hardware revision compatibility between daughter‑board and main CPU board. Ambient installation environment stays within defined temperature and humidity range without condensed moisture.
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