Description
Product Model: IC693351-DG
Product Brand: GE / GE Fanuc
Product Series: Series 90-30 PLC Platform
Product Features:
- Legacy Series 90-30 high-reliability CPU controller used in industrial PLC systems.
- Built-in serial communication support (e.g., RS-232/RS-485) for flexible integration.
- Compatible with wide range of Series 90-30 I/O modules and expansion baseplates.
- Robust design proven in manufacturing and process control environments.
Technical Specifications Table
| Specification | Description |
|---|---|
| Model Number | IC693351-DG |
| Brand | GE / GE Fanuc |
| Platform/Series | Series 90-30 PLC |
| Module Type | CPU Module |
| Communication Interfaces | Serial (RS-232 / RS-485) |
| Processor | Industrial-grade PLC CPU (25 MHz class typical for CPU351 family) |
| Program Memory | Series 90-30 user program memory (varies by configuration revision) |
| Backplane Compatibility | GE Series 90-30 Baseplates & Expansion Racks |
| I/O Support | Works with discrete, analog, and specialty I/O modules via backplane |
| Ethernet | Not native; requires separate communications module if needed |
| Mounting | DIN rail/backplane slot |
| Operating Environment | Standard industrial conditions (consult Series 90-30 manual) |
| Power Consumption | Provided by backplane power supply |
| Weight | Approx. similar to CPU351 class modules (0.5–1 lb) |
- IC693351-DG
Product Role & System Fit
In industrial automation hardware hierarchies, the heart of a programmable logic controller (PLC) system is its central processing unit (CPU) module — and that is exactly where the IC693351-DG plays its role. This CPU module belongs to GE Fanuc’s venerable Series 90-30 platform, a widely deployed PLC architecture found in plants around the world for decades.
PLC systems are used to automate discrete and continuous processes in automotive assembly lines, packaging machines, energy plants, water/wastewater systems, and a wide range of industrial environments. At the core of such systems, the controller interprets logic, coordinates I/O scanning, manages communication protocols, and executes user programs reliably — these are exactly the responsibilities shouldered by the IC693351-DG CPU.
From a system architecture perspective, the IC693351-DG installs into a Series 90-30 rack or baseplate and communicates with I/O modules, power supplies, and specialty modules over a backplane bus. The Series 90-30 architecture supports multiple expansion baseplates, enabling flexible station expansion up to hundreds or thousands of I/O points — a critical advantage in complex automation installations.
Even though the Series 90-30 platform is legacy technology, it remains common in industrial settings where long machine lifecycles and deferred modernization are the norm. For service engineers maintaining existing systems, the IC693351-DG is not just a module — it’s the decision point between maintaining uptime and facing unplanned downtime.



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