GE IC698CPE020 Pentium III CPU Module | RX7i / Series 90-70 PLC

GE IC698CPE020 Pentium III CPU Module – Central Processing Unit | RX7i / Series 90-70 Platform

Engineering Background: The GE Fanuc PACSystems RX7i and legacy Series 90-70 control platforms are deployed as the primary DCS/PLC backbone in continuous-process industries including refining, power generation, and municipal water treatment. The IC698CPE020 is the Pentium III–class CPU module that anchors the RX7i rack architecture, executing ladder logic, function block diagrams, and structured text programs under IEC 61131-3 at deterministic scan rates. In a typical plant architecture this module sits at the top of the control hierarchy, coordinating I/O across multiple expansion racks via the VME-based backplane and communicating upstream to SCADA/DCS via Ethernet or serial links.

Product Positioning: The IC698CPE020 occupies the mid-range CPU slot in the RX7i CPU family, positioned above the IC698CPE010 (lower memory) and below the IC698CPE030/040 (higher clock and extended memory). Its 64 MB user RAM and 300 MHz Pentium III core make it the preferred choice for applications requiring large program stores and floating-point-intensive PID loops, but where the cost premium of the CPE030/040 is not justified. It is not suitable as a standalone controller without a compatible RX7i or 90-70 rack and power supply.

Complete Technical Specifications

Electrical

• Processor: Intel Pentium III, 300 MHz
• User RAM: 64 MB (battery-backed SRAM)
• Flash Memory: 32 MB (program storage)
• Power Consumption: 15 W (typical, from rack backplane)
• Backplane Interface: VME64 (RX7i) / ISA (Series 90-70 compatible mode)
• Communication Ports: 1 × RS-232 (programming/HMI), 1 × Ethernet 10/100 Base-T (optional via embedded NIC)

Mechanical

• Form Factor: Single-slot VME module
• Dimensions: 233.4 mm × 160 mm (H × D)
• Weight: ~800 g
• Connector: 96-pin DIN 41612 (P1/P2)
• Compatible Racks: IC698CHS009, IC698CHS017 (RX7i); IC693CHS391/392/397 (90-70 with adapter)

Environmental

• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: −40 °C to +85 °C
• Relative Humidity: 5% to 95% (non-condensing)
• Vibration: IEC 60068-2-6, 10–57 Hz, 0.075 mm amplitude
• Shock: IEC 60068-2-27, 15 g, 11 ms
• Altitude: 0–2000 m (operating)

Certifications

• UL Listed (UL 508)
• CE Marked (EMC Directive 2014/30/EU; LVD 2014/35/EU)
• RoHS Compliant
• IEC 61131-2 (Programmable Controllers – Equipment Requirements)

Data source: GE Fanuc PACSystems RX7i CPU Reference Manual, GFK-2222; IC698CPE020 Product Specification Sheet Rev. 4. Specifications subject to revision by manufacturer.

Proven Application Environments

• Petroleum Refining – Crude Distillation Unit: Continuous 24/7 operation managing 200+ PID loops for column temperature and pressure control, with hot-standby redundancy via IC698CRE040 redundancy module.
• Thermal Power Generation – Boiler Control System: Coordinating combustion air/fuel ratio, drum level, and steam temperature loops in a 300 MW coal-fired unit; scan time <10 ms under full I/O load.
• Municipal Water Treatment – SCADA Integration: Supervisory control of pump stations and chlorination dosing, communicating to Wonderware InTouch SCADA via Ethernet Global Data (EGD) protocol.
• Chemical Processing – Batch Reactor Sequencing: Executing SFC (Sequential Function Chart) programs for multi-step batch recipes with interlocked safety shutdowns per IEC 61511.
• Pulp & Paper – Distributed I/O Architecture: Controlling 12 remote I/O drops over RX7i Genius Bus Controller, managing web tension and dryer section temperature in a continuous paper machine.
• Offshore Oil & Gas – Wellhead Control Panel: Installed in a Class I Div 2 purged enclosure, managing ESD (Emergency Shutdown) logic with deterministic response time <50 ms for valve actuation.

Engineering Advantages

• For high-density PID applications, this CPU module delivers deterministic floating-point execution at 300 MHz, because the Pentium III architecture provides hardware FPU acceleration unavailable in earlier 486-class GE CPUs.
• For large program migrations from Series 90-70, this CPU module maintains backward compatibility with 90-70 ladder logic via PACSystems conversion tools, because GE designed the RX7i instruction set as a superset of the 90-70 architecture.
• For plants requiring minimal downtime, this CPU module supports online program editing (OPE) without halting the control scan, because the RX7i OS implements a token-based memory swap that preserves I/O state during edits.
• For multi-rack I/O expansion, this CPU module manages up to 64 I/O modules across 8 expansion racks via the VME backplane, because the IC698CPE020 supports the full RX7i rack addressing space without additional co-processors.
• For SCADA/DCS integration, this CPU module natively supports EGD, SRTP, and Modbus TCP over Ethernet, because the embedded NIC stack is licensed for all three protocols without additional firmware purchase.
• For long-lifecycle plant assets, this CPU module is supported under GE Vernova’s extended lifecycle program through 2028, because the RX7i platform was designated a sustained product line, ensuring continued spare parts availability.

System Architecture & Signal Flow

Signal Flow: Field sensors → Analog/Digital I/O modules (e.g., IC698ALG228, IC698MDL740) → VME backplane → IC698CPE020 CPU (scan execution) → Backplane → Output modules → Final control elements (valves, drives). Ethernet port connects upstream to SCADA historian or engineering workstation running Proficy Machine Edition.

Compatible Modules:

• IC698CHS009 / IC698CHS017 – RX7i main racks (9-slot / 17-slot); required host chassis.
• IC698PSA100 / IC698PSA350 – RX7i power supplies; mandatory for rack power.
• IC698CRE040 – Redundancy module; enables hot-standby CPU redundancy with IC698CPE020 pair.
• IC698ETM001 – Ethernet interface module; expands to dual-port Ethernet when embedded NIC is insufficient.
• IC693CPU374 – Series 90-70 CPU; direct predecessor; program migration path via Proficy ME conversion wizard.

Substitution Conditions: The IC698CPE030 or IC698CPE040 may substitute the IC698CPE020 when program size exceeds 64 MB RAM or when clock-sensitive applications require >300 MHz throughput. Downward substitution to IC698CPE010 is only permissible if the application program fits within 32 MB and no floating-point-intensive loops are present. Firmware version compatibility must be verified before substitution in redundant configurations.

Sourcing & Quality Verification

All IC698CPE020 units offered through Konmask.com are sourced from decommissioned plant upgrades, authorized distributor overstock, and verified secondary-market channels. Each unit undergoes the following 4-step inspection process before dispatch:

1. Visual Inspection: PCB examined for corrosion, burn marks, cracked solder joints, and missing components under 10× magnification.
2. Firmware Version Check: Boot sequence verified; firmware version logged and disclosed in shipment documentation.
3. Functional Power-On Test: Module installed in a test rack (IC698CHS009 + IC698PSA100); CPU boot, memory self-test, and Ethernet ping confirmed.
4. Burn-In Soak: 48-hour continuous operation at ambient temperature with cyclic program execution to screen latent failures.

Documentation available upon request: Test report, firmware version certificate, photos of physical unit, original GE datasheet, and bill of lading for traceability.

Procurement Process

1. Submit Inquiry: Send model number, required quantity, firmware version preference (if any), and delivery timeline to support@konmask.com or via the product page quote form.
2. Receive Quotation: A detailed quotation including unit price, lead time, inspection report summary, and shipping options will be issued within 24 hours on business days.
3. Confirm & Ship: Upon purchase order confirmation, the unit is re-inspected, packaged in anti-static ESD foam with humidity indicator card, and dispatched via tracked courier with full export documentation.

Technical support is available pre-sale (compatibility verification, firmware matching, rack configuration review) and post-sale (installation guidance, Proficy ME project import assistance). Contact: support@konmask.com | +0086 19859288691

Technical FAQ

Q1: Is the IC698CPE020 compatible with Series 90-70 racks (IC693CHS391)?
The IC698CPE020 is a native RX7i VME module and is not physically compatible with Series 90-70 ISA-bus racks. Migration from a 90-70 system requires replacing the rack and power supply with RX7i equivalents (IC698CHS009 + IC698PSA100). The I/O modules from the 90-70 system can be reused in the RX7i rack via the IC698CHS017 expansion chassis with appropriate adapter kits.

Q2: Can the IC698CPE030 directly replace the IC698CPE020 without program modification?
In most cases, yes. The IC698CPE030 is firmware-compatible and uses the same rack slot. However, if the existing application uses firmware-version-specific features or the redundancy module IC698CRE040, firmware version alignment between the CPU pair must be confirmed. A Proficy Machine Edition project backup and restore is recommended before swapping CPUs in a live system.

Q3: Is the IC698CPE020 certified for use in SIL-rated safety applications?
The IC698CPE020 itself is not SIL-certified as a standalone safety controller. For SIL 1–2 applications, it is typically used as the Basic Process Control System (BPCS) layer, with a separate SIL-rated Safety Instrumented System (e.g., GE IS420ESWAH1A or third-party SIS) handling the safety function per IEC 61511 architecture requirements. Confirm SIL applicability with the plant’s functional safety engineer before specifying.

---

© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691