Technical Specifications 32‑bit RISC processor with 67 MHz clock frequency. RAM capacity is 12 MB, flash memory is 4 MB for firmware and application storage. Nominal power supply 24 V DC, allowable input range 19.2‑30 V DC. Typical power consumption 5.1 W. Operating temperature 0 ℃‑60 ℃, non‑condensing humidity 5%‑95%. Equipped with dual 10/100 Mbps Ethernet interfaces, ModuleBus, CEX‑Bus expansion bus, redundancy control link and dual redundant power input terminals. Supports up to twelve CEX‑Bus connected modules. Protection class IP20, suitable for indoor control cabinet installation. Satisfies industrial EMC anti‑interference certification requirement.
Functional Features Supports full IEC61131‑3 standard programming languages for industrial automation. Implements hot‑standby redundancy function when two kits are deployed as controller pair. Comprehensive hardware self‑diagnosis monitors CPU, memory, power circuit and every communication channel. Lithium battery maintains RAM process variable data after main power loss. Real‑time clock provides accurate time stamp for alarm and event log. Supports online partial program download without interrupting running process. Front‑panel multi‑LED array displays power, run, fault, battery and redundancy status. Expands communication capacity by installing CEX‑Bus communication modules for multiple industrial fieldbus protocols. Internal power reservoir realizes controlled shutdown upon short‑time power supply drop.
Application Scenarios Applied in chemical industry, pulp and paper plant, municipal water treatment and medium‑scale energy‑related automation projects. Used for single controller cabinet and high‑availability redundant controller cabinet. Cooperates with S800 series distributed I/O for field signal acquisition and actuator output. Integrates with System 800xA operator station for monitoring, historical data recording and alarm management. Fits process control sites with moderate logic computation requirement.
Installation Requirements Mount the base plate onto cabinet DIN rail or rack bracket, confirm mechanical locking is fully completed. Connect 24 V DC power to detachable screw terminal block strictly following polarity marking. Install ModuleBus terminator and CEX‑Bus terminator at corresponding slot positions.
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