GE IC698ACC701 SMART BATTERY MODULE

TECHNICAL SPECIFICATIONS

Manufacturer: GE Fanuc Automation (now Emerson Automation)
Series: PACSystems RX7i / RX3i Family
Product Type: Intelligent Lithium Battery Module – Auxiliary Smart Battery
Chemistry: Lithium coin cell – 3 cells in parallel configuration
Cell Reference: CR2477X

ELECTRICAL SPECIFICATIONS:

• Nominal Voltage Output: Greater than 2.5 Volts

• Low Voltage Threshold: Below 2.5 Volts triggers replacement warning

• Battery Capacity: 15 Ampere-hours maximum

• Lithium Content: 5.1 grams total (1.7 grams per cell)

PHYSICAL DIMENSIONS:

• Cable Length: 0.6 meters twisted pair red/black cable

• Connector Type: 4-pin female JAE connector with 50mm enable adapter cable

• Weight: Approximately 5.1 grams (battery assembly)

BATTERY LIFE AND LONGEVITY:

• Shelf Life: 7 years at 20°C storage temperature

• Operational Life RX7i: 200 days

• Operational Life RX3i: 23 days for IC695CPU320, IC695CRU320, and IC695CPU315 models

• Design Life: 10 years under continuous 25°C floating charge conditions

ENVIRONMENTAL SPECIFICATIONS:

• Operating Temperature: 0°C to 60°C

• Storage Temperature: -40°C to 70°C

• Housing Material: Flame-retardant ABS plastic

• Shock Resistance: 15 g

• Vibration Resistance: 2 g

• Mean Time Between Failures: 230,000 hours

CONNECTION REQUIREMENTS:

• Interface: CPU battery access port

• RX3i and RX7i CPU ports differ – consult product documentation for specific connection instructions

STATUS INDICATORS:

• Integrated battery monitoring circuit

• Low voltage warning via backplane LED indicator

• Software status bit reporting for low battery condition

FUNCTIONAL FEATURES

Smart Battery Monitoring Technology
The IC698ACC701 incorporates a built-in battery monitoring circuit that continuously tracks voltage levels and battery health . When battery voltage drops below 2.5 Volts, the system generates a low battery warning that alerts operators approximately 15 days before volatile memory contents are lost . This advanced warning enables proactive battery replacement and prevents unexpected data loss during production operations.

Extended RAM Backup Protection
This battery module provides critical backup power for CPU volatile memory including user application logic, real-time clock settings, and redundant synchronization data . During main power failures or system shutdowns, the battery automatically maintains memory contents without requiring operator intervention . The extended backup capability supports long-term data retention essential for process-critical applications.

High Capacity Design
With a maximum capacity of 15 Ampere-hours, this battery module supports extended operational periods between replacements . The high capacity combined with low self-discharge characteristics at 20°C storage temperature delivers 7 years of shelf life before installation, reducing inventory management burden .

Wide Environmental Tolerance
The flame-retardant ABS plastic housing provides protection against harsh industrial conditions including chemical exposure and mechanical vibration . The operating temperature range of 0°C to 60°C and storage range of -40°C to 70°C enable deployment in diverse environments from climate-controlled control rooms to outdoor enclosures . Conformal coating protects against sulfur corrosion and salt spray for offshore and coastal installations.

Hot-Swap Capability
The modular battery design supports replacement while the PLC system remains operational . The new battery is automatically recognized within 10 seconds of insertion, requiring no tools or power cycling. The mean time to repair is less than one minute, minimizing production downtime during preventive maintenance activities .

Broad System Compatibility
This battery module is compatible with the full range of PACSystems RX7i and RX3i CPUs, including IC695CPU310, IC695CMU310, IC695CPU320, and IC695CRU320 models . It can replace any standard CPU RAM backup battery module in PACSystems CPUs, unifying spare parts inventory across mixed PLC fleets .

Low Battery Detection Limitation
The legacy battery revisions do not reliably provide low battery indication to the CPU status bits . User application logic should not depend on battery status bits when using these battery packs. Newer revisions with smart monitoring capability provide reliable low voltage warnings.

APPLICATION SCENARIOS

Discrete Manufacturing Facilities
Automotive assembly plants, electronics manufacturing lines, and general fabrication facilities utilize the IC698ACC701 to protect PLC programs controlling robotic work cells, conveyor systems, and assembly stations. The extended battery life and hot-swap capability allow maintenance during scheduled production stops without disrupting manufacturing output .

Process Control Applications
Chemical processing plants, petroleum refineries, and pharmaceutical manufacturing facilities require continuous operation with no tolerance for programming loss . The IC698ACC701 ensures that complex PID tuning parameters, batch recipes, and safety interlock logic remain intact during momentary power disturbances or scheduled electrical maintenance .

Energy and Power Generation
Power plants, electrical substations, and gas turbine control systems depend on precise control algorithms protected by battery-backed memory . The IC698ACC701 maintains real-time clock synchronization and generator control parameters essential for grid stability and power quality management .

Water and Wastewater Treatment
Municipal water treatment facilities, pumping stations, and wastewater processing plants often operate in remote or unattended locations . The smart battery monitoring capability provides early warning of low battery conditions, allowing scheduled maintenance before failure occurs. This proactive approach prevents loss of flow control programs and chemical dosing parameters .

Critical Infrastructure Protection
Railway signaling systems, airport baggage handling networks, and traffic control centers require high availability with minimal disruption risk . The IC698ACC701 supports these applications by ensuring control system memory integrity during routine power cycling or unexpected outages .

Mining and Metals Processing
Underground mining operations, mineral processing concentrators, and steel mills face extreme environmental conditions including temperature variation, mechanical shock, and airborne particulates . The rugged construction and wide temperature tolerance of this battery module provide reliable service in these demanding environments .

Marine and Offshore Installations
Drilling platforms, floating production storage and offloading vessels, and shipboard automation systems operate in salt-laden environments with continuous vibration . The flame-retardant housing and conformal coating protect against corrosion while maintaining memory backup for critical vessel control systems .

SYSTEM INTEGRATION NOTES
The IC698ACC701 connects directly to the CPU battery access port using the supplied 0.6 meter cable with 4-pin JAE connector . When replacing a standard RAM backup battery, no software changes are required. For first-time installation, the battery is inserted as a daughterboard to the CPU card. The battery must be replaced within 15 days after the low voltage warning appears to prevent loss of volatile memory contents .

REGULATORY COMPLIANCE
The IC698ACC701 complies with CE, UL, and UN38.3 transportation safety standards for lithium battery shipments . The 5.1 gram lithium content meets hazardous materials shipping requirements for industrial automation equipment .

PRODUCT LIFECYCLE STATUS: Active – Supported product. Routine availability through Emerson Automation distributors and authorized industrial automation suppliers.