Description
Hardware Specifications
- Processor: 80386EX, 25 MHz, hardware floating‑point co‑processor
- User Memory: 240 KB program memory, large reference‑table support
- I/O Capacity: Max 2048 discrete inputs / 2048 discrete outputs; up to 32640 analog words
- Scan Speed: ~0.22 ms per 1K boolean logic
- Communication: 3 built‑in serial ports, SNP / SNPX / RTU slave protocol support
- Power: 5 VDC, 890‑910 mA, single‑slot backplane mounting
- Operating Temperature: 0 °C ~ 60 °C
- Expansion: 1 main baseplate + up to 7 expansion / remote I/O baseplates
- Programming Software: Proficy Machine Edition, VersaPro
- Suffix Note:‑EK stands for hardware/firmware revision variant, functionally compatible with base IC693CPU352
Core Functions
- Execute ladder‑logic and function‑block programs with watchdog safety monitoring.
- Support PID control, high‑speed counter, timer‑counter and shift‑register functions.
- Serial communication for HMI, programming terminals and slave field devices.
- Built‑in system diagnostics, fault logging, memory parity‑error detection.
- Battery‑backed RAM for program and data retention upon power loss.
Installation Requirements
- Install into CPU slot of Series 90‑30 main baseplate.
- Verify rack power‑supply current rating matches CPU consumption.
- Fit IC693ACC302 backup lithium‑battery module for memory retention.
- Operate within 0‑60℃ ambient, avoid heavy dust, vibration and condensation.
- Complete hardware configuration before downloading user logic program.
Common Fault Modes
- CPU fault LED illuminated: watchdog timeout, program fault, memory parity failure.
- Unable to enter RUN mode: missing program, hardware config mismatch, keyswitch set to STOP.
- Serial communication failure: wiring error, incorrect SNP/SNPX parameter setup.
- Data loss after power‑cycle: backup battery low voltage or defective.
- RTC clock halt: backup battery failure, battery replacement required.
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