Technical Specifications User Memory:64MB program memory, 64MB data memory Logic Execution Speed:0.06μs per boolean instruction Built‑in Port:2×Ethernet ports, 1×RS232 serial port, redundancy link interface Maximum I/O Support:1024 local I/O points Backplane Power Consumption:410mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Hot‑standby redundancy support, GV factory preset configuration, dual‑Ethernet communication, high‑speed logic operation, redundancy data synchronization, full‑range system diagnosis, online debugging function.
Application Scenarios High‑availability redundant automation system, critical process control loop, GV‑configured equipment spare replacement.
Performance Parameters Fast redundancy bumpless switch‑over Deterministic PLC scan performance Dual‑network data isolation transmission Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel LED indicators for run, fault and redundancy status Dual RJ45 Ethernet, RS232 and redundancy link port Backplane gold‑finger bus contact Internal processor‑memory assembly with GV firmware Mechanical locking latch
Working Principle Primary CPU runs user logic and refreshes I/O status. Redundancy link synchronizes runtime data to standby CPU. System realizes seamless switch‑over upon primary unit failure. GV firmware implements project‑specific default parameter settings. Dual Ethernet completes upper‑layer and field device communication. Fault information is recorded in internal storage.
Installation Requirements Mount into RX3i main rack CPU dedicated slot. Reliable cabinet protective grounding. Adopt official redundancy link cable. Configure redundancy and network parameters through programming tool. Power‑off rack before module replacement. Ensure cabinet ventilation heat dissipation.
Usage Notes Confirm GV configuration matches original system requirement. Do not exceed 1024 I/O limit. Complete program backup before commissioning. Execute redundancy switch‑over test. On‑site disassembly is prohibited. Keep away from corrosive gas and liquid splash.
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