Technical Specifications User Memory:160MB program memory, 160MB data memory Logic Execution Speed:0.03μs per boolean instruction Built‑in Port:2×Ethernet ports, 1×RS232 serial port, high‑speed redundancy link interface Maximum I/O Support:3072 local I/O points Backplane Power Consumption:460mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Top‑level redundant CPU performance, ultra‑large memory, fast redundancy synchronization, dual‑Ethernet isolated communication, massive I/O management, complete system diagnostic, online program maintenance, support complex interlocking logic.
Application Scenarios Large‑size process plant main control, high‑reliability manufacturing system, key production unit requiring hot‑standby redundancy, heavy‑load RX3i control solution.
Performance Parameters Ultra‑fast deterministic scan cycle Bumpless hot‑standby switch‑over Dual‑network independent data transmission Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel multi‑group LED indicators for run, fault, primary‑standby status Dual RJ45 Ethernet, RS232 and high‑speed redundancy link port Backplane gold‑finger bus contact Internal high‑performance processor and large memory array Mechanical locking latch
Working Principle Primary CPU completes I/O refresh and complex user‑logic computation. High‑speed redundancy link keeps standby CPU runtime data fully synchronized. Upon primary CPU failure, standby CPU triggers seamless switch‑over to maintain continuous system operation. Dual Ethernet ports separate control network and upper monitoring network traffic. Fault and event records are stored in non‑volatile memory.
Installation Requirements Install into CPU dedicated slot on RX3i main rack. Reliable cabinet protective grounding. Adopt GE official redundancy link cable. Configure redundancy scheme and network parameters through programming software. Use shielded twisted‑pair network cables. Power‑off rack before module replacement. Ensure cabinet ventilation channels are unobstructed.
Usage Notes Total I/O quantity cannot exceed 3072 points. Back‑up entire project program and redundancy configuration. Mandatory redundancy switch‑over test at commissioning stage. Retrieve diagnostic log for system fault analysis. On‑site disassembly is prohibited. Prevent corrosive gas, liquid splash and heavy dust accumulation.
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