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Phone: +86 16626708626Description
Product Model: GE IC697MEM733D
Product Brand: GE Fanuc (Emerson Automation)
Product Series: Series 90-70 PLC
Product Features:
- 256 KB CMOS expansion memory for program and data storage
- Lithium battery-backed retention with up to 6 months without power
- Fits as daughterboard on compatible CPU modules, no extra slot needed
- Long shelf life (~10 years at 20 °C) and real-time clock support during outages
Technical Specifications Table
| Specification | Details |
|---|---|
| Model | GE IC697MEM733D |
| Manufacturer | GE Fanuc / Emerson Automation |
| Series | Series 90-70 PLC |
| Memory Type | 32-bit CMOS expansion memory |
| Memory Capacity | 256 KB |
| Memory Function | Program and Data Storage |
| Battery Type | Lithium (on memory board) |
| Memory Retention | Approx. 6 months without power |
| Battery Life | ~10 years (at 20 °C) |
| Installation | Daughterboard on compatible CPU |
| Bus Current | ~2.25 A (from CPU slot) |
| Compatibility | Series 90-70 CPUs: 780, 781, 782, 788, 789 |
| Dimensions | Standard Module Size for Series 90-70 |
| Operating Temp | Typical industrial PLC range |
- IC697MEM733D
Product Role & System Fit
In programmable logic controller (PLC) systems, memory modules are essential infrastructure for storing both the control logic that drives operations and the run-time data generated during cycles. The GE IC697MEM733D is a dedicated memory expansion module belonging to the GE Fanuc Series 90-70 line of automation hardware. Designed specifically for use with Series 90-70 CPUs — such as the IC697CPU780, IC697CPU781, IC697CPX782, and others — this module increases the available memory footprint for both logic and data tasks without occupying an additional rack slot.
Unlike standalone I/O cards or processors, the GE IC697MEM733D is installed as a daughterboard directly into selected CPU modules. Once placed in the same slot as the host controller, it augments the processor’s onboard memory support, enabling larger, more complex control programs and more extensive data management. This integration is critical in legacy automation systems where the base CPU memory is insufficient for evolving control needs. Because it installs with the CPU rather than as a separate rack card, system designers can increase memory capacity without changing the physical rack layout or consuming valuable I/O slots.
In Series 90-70 architectures, memory modules like GE IC697MEM733D act as a bridge between the processor’s real-time control loop and the broader logic space that engineers define in programming tools. In practical scenarios, this module ensures that larger PLC programs — which might involve complex sequencing, extensive I/O maps, or data logging routines — can reside alongside the operational logic that performs real-time decisions. For facilities maintaining legacy control systems, this expandability directly extends usable service life without requiring expensive CPU replacements or complete system redesigns.
