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The GE IC695CPU315-BB is a high-performance Central Processing Unit (CPU) module for GE’s PACSystems™ RX3i industrial control platform, engineered for demanding real-time control applications. Leveraging a dual-core Intel® Pentium® processor architecture, this CPU delivers exceptional scan speeds (<0>IC695CPU315-BB supports up to 32MB battery-backed user memory and integrates advanced features like embedded Ethernet (10/100 Mbps), serial ports, and extensive I/O capacity (up to 512 racks). Designed for mission-critical environments, it seamlessly integrates with RX3i’s modular I/O system and supports GE’s Proficy™ Machine Edition programming tools. Its ruggedized design ensures reliable operation in harsh industrial settings, making the GE IC695CPU315-BB a cornerstone for scalable control systems in energy, manufacturing, and infrastructure.<!--0-->
GE IC695CPU315-BB
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | IC695CPU315-BB |
| Manufacturer | GE Intelligent Platforms (Now part of Emerson) |
| Product Type | PACSystems RX3i CPU Module |
| Processor | Dual-core Intel® Pentium® @ 1.1 GHz |
| User Memory | 32 MB (Battery-backed SRAM) |
| Logic Scan Time | <0><!--0--> |
| Built-in Ports | 1x Ethernet (10/100 Mbps), 1x RS-232, 1x RS-485 |
| Max I/O Capacity | 512 racks (via PCI bus) |
| Max Digital I/O Points | 32,000 |
| Max Analog I/O Points | 8,000 |
| Real-Time Clock | Integrated with ±2 min/year accuracy |
| Backup Power | Supercapacitor with optional battery |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Vibration Resistance | 5g @ 10–500 Hz (IEC 60068-2-6) |
| Certifications | UL, cUL, CE, ATEX Zone 2, IEC 61131-2 |
Main Features and Advantages
The GE IC695CPU315-BB excels in high-speed control and system resilience:
Deterministic Performance: Dual-core architecture separates control logic execution from communications tasks, guaranteeing sub-millisecond scan times essential for motion control, high-speed sequencing, and safety interlocks. Its hardware-based task scheduling eliminates jitter, ensuring precise timing.
Robust Connectivity: Integrated dual Ethernet ports support Modbus TCP, SRTP, and FTP protocols for seamless integration with HMIs, SCADA, and MES systems. The IC695CPU315-BB also enables peer-to-peer messaging across RX3i racks via Global Data.
Cyber Security: Features embedded firewall capabilities, role-based access control, and secure firmware updates to protect against unauthorized access, meeting NERC CIP and IEC 62443 standards.
High Availability: Supports hot-swappable modules and redundant CPU configurations (with IC695CRU320 chassis). Supercapacitor backup retains memory for 72 hours (extendable with battery), preventing data loss during outages.
Engineering Efficiency: Fully programmable via GE’s Proficy Machine Edition software using IEC 61131-3 languages (LD, FBD, ST, SFC). Online editing and force functions minimize downtime during system tuning.
Application Field
The GE IC695CPU315-BB is deployed in critical infrastructure requiring speed and reliability:
Power Generation & Distribution: Controls gas/steam turbines, exciter systems, switchgear, and substation automation with millisecond response times for grid stability.
Oil & Gas: Manages compressor stations, offshore platforms, and refining processes with ATEX-certified operation in hazardous zones.
Water/Wastewater: Optimizes pump control, chemical dosing, and filtration systems with high analog I/O density for precise process management.
Discrete Manufacturing: Coordinates high-speed assembly lines, robotics, and CNC machines using motion control libraries and deterministic execution.
Transportation Systems: Controls baggage handling, signaling, and tunnel ventilation in airports/rail networks with fault-tolerant architecture.
Related Products
IC695CPU310: Previous-gen RX3i CPU with single-core processor and reduced memory (16MB).
IC695CPU315-FS/FB: Successor models with flash memory and enhanced security features.
IC695CRU320: 20-slot Universal Backplane supporting redundant CPUs.
IC694ACC300: Battery backup module for extended memory retention.
IC695ETM001: Dual-port Ethernet interface module for expanded networking.
IC693CMM321: Serial communications module for Modbus RTU/ASCII.
IC695ALG600: Analog input module (16-channel) for precision sensing.
IC695MDL664: Digital output module (32-point) with diagnostics.
IC695PBM300: Profibus DP Master module for field device integration.
IC695PNC001: PROFINET Controller module for real-time IO.
GE IC695CPU315-BB
Installation and Maintenance
Pre-installation preparation: Verify rack compatibility (RX3i Universal Backplane required). Discharge static electricity before handling the IC695CPU315-BB. Configure IP addresses via Proficy ME before deployment. Ensure adequate chassis ventilation (0°C–60°C ambient) and allocate 3.5W power budget.
Maintenance recommendations: Monitor CPU status LEDs (RUN/OK, BATTERY, COM) daily. Replace backup battery (IC694ACC300) every 2–3 years. Regularly backup project files and firmware using Proficy ME. Clean air filters quarterly to prevent overheating. Update firmware during planned shutdowns using GE’s secure bootloader. For redundant systems, test failover functionality semi-annually.
