GE 114D6008A
Product Name: GE Mark V/VI Memory and Battery Backup Module
Product Overview: The 114D6008A is a RAM memory module with battery backup, specifically designed for GE Mark V and Mark VI control systems. It is used to store control programs, configuration data, operating parameters, and historical records, with the built-in battery maintaining data retention during system power loss.
Detailed content
Technical Specifications:
- Memory Type: SRAM (Static Random Access Memory)
- Memory Capacity: 256 KB to 512 KB (depending on firmware version)
- Battery Type: Lithium battery (3.6 V, non-rechargeable)
- Battery Life: ≥ 5 years (typical, at 25 °C environment)
- Data Retention Time: ≥ 10 years with battery power (typical)
- Communication Interface: VME bus / Genius bus
- Operating Temperature Range: 0 °C to 55 °C
- Supply Voltage: +5 V DC (backplane bus powered)
Functional Features:
- Battery backup function; programs and data are automatically saved after system power loss
- Supports online program download and upload
- Battery low voltage alarm function (front panel LED indication)
- Stored contents include: control programs, I/O configuration, alarm settings, operating parameters, event records
- Supports compatible use in both Mark V and Mark VI systems
Structural Features:
- Standard Mark V/VI single-slot width module
- Front Panel: Battery status LED + read/write indicator LED
- Battery is located inside the module and is not field-replaceable (the entire module must be replaced)
- Enclosure: Flame-retardant engineering plastic + metal shielding cover
Application Scenarios: Gas turbine power generation, steam turbine power generation, industrial process control
Installation Requirements:
- Install in any free slot of the Mark V/VI control rack
- No special wiring required; automatically recognized via the backplane bus
- The battery module must be kept powered for at least 24 hours before power-down use
Usage Precautions:
- When battery voltage drops below 2.7 V, the entire module must be replaced immediately
- Systems unused for long periods require energizing once every 2 years to refresh the battery
- After module replacement, the control program must be re-downloaded












