Technical Specifications High‑speed industrial processor core with dedicated on‑board memory. Supports redundant CPU running mode. Nominal power supply 24 V DC, acceptable input range 19.2‑30 V DC. Typical power consumption 7.2 W. Operating temperature ‑25 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Protection class IP20. Certifications include CE, UL and RoHS compliance.
Functional Features Executes complete DCS control application including PID, logic and sequence control. Realizes high‑speed data exchange with I/O modules via back‑plane bus. Supports hardware comprehensive self‑diagnosis. LED indicators display power, running state, communication and fault information. Supports primary‑standby redundant bumpless switch‑over. Accepts program download from Advant engineering tool.
Application Scenarios Installed inside DCS control cabinet for power plant, large chemical plant and oil‑gas processing facility. Acts as core computing unit of Advant DCS platform. Cooperates with series I/O modules to realize large‑scale process monitoring and control. Applies to high‑availability continuous‑process industrial projects.
Performance Parameters Main control cycle completes within 5 ms. Redundant switch‑over finishes without disturbing field control output. All hardware fault information can be uploaded to HMI alarm system. On‑board memory guarantees reliable storage of user application configuration.
Installation Requirements Insert PPC902AE101 into designated slot of DCS controller rack and lock fixing screw. Connect rack power supply complying with polarity requirement. Complete back‑plane bus connection inside rack. Keep sufficient ventilation clearance around module for heat dissipation. Download user control application from Advant engineering software. Follow ABB official grounding specification for cabinet protective grounding. Complete redundant inter‑connection wiring if redundant CPU configuration is deployed.
Usage Notes Wear anti‑static wrist strap before touching circuit components. Observe LED status after power‑on. Hot‑swap can only be performed under redundant system running condition. Avoid heavy mechanical impact and vibration during transportation and maintenance. Do not extract module under power‑on for non‑redundant system.
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