Description
IC693CPU311 GE Fanuc Series 90-30 CPU Module
Product Dimensions：
Product Description (Detailed Explanation)
The IC693CPU311 is designed as a single-unit controller that includes both the CPU and a 5-slot baseplate. It serves as the “brain” of the PLC system, executing logic programs and managing data exchange between I/O modules plugged into the remaining 4 available slots (one slot is reserved for the CPU/Power Supply integration).
It uses an 80188 microprocessor and is optimized for simple relay-replacement tasks and small machine control. Communication is primarily handled through the power supply’s serial port using the SNP (Series Ninety Protocol).
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Microprocessor | 80188 |
| Processor Speed | 8 MHz |
| Typical Scan Rate | 1.0 ms per 1K of Boolean logic |
| User Memory | 6 Kbytes (Register and Logic combined) |
| Discrete I/O Capacity | 512 Inputs and 512 Outputs |
| Analog I/O Capacity | 128 Inputs and 64 Outputs |
| Baseplate Included | Yes (5-Slot integrated base) |
| Communication | SNP Protocol via Power Supply port |
| Expansion | Does NOT support expansion racks |
Product Advantages (Key Benefits)
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Integrated Design: The CPU-on-baseplate architecture reduces the number of separate parts needed, simplifying procurement and assembly.
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Compact Footprint: Perfect for small control cabinets where space is at a premium.
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Cost-Effective: Offers a very low entry price for users who need the reliability of a GE Fanuc system without the cost of high-end modular CPUs.
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Proven Reliability: Part of the long-standing Series 90-30 line, known for extreme durability in harsh industrial environments.
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Ease of Programming: Uses standard VersaPro, Proficy Machine Edition, or Logicmaster 90 software, making it familiar to many automation engineers.
Precautions (Important Notes)
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No Expansion: The IC693CPU311 cannot be connected to expansion or remote baseplates. If your I/O requirements grow beyond 4 slots, you must upgrade the entire CPU and baseplate.
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Battery Maintenance: The user program and internal registers are backed up by a lithium battery located in the power supply. Always replace the battery while the PLC is powered on to avoid losing the program.
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Memory Limitations: With only 6KB of memory, this CPU is not suitable for complex math, large data arrays, or intensive communication tasks.
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Serial Only: Standard communication is serial (RS-485). If Ethernet is required, you must add a separate Ethernet module (e.g., IC693CMM321) in one of the I/O slots.
Product Applications (Typical Use Cases)
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Small Conveyor Systems: Controlling start/stop logic, basic sorting, and emergency stop monitoring.
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Packaging Machinery: Managing simple filling, bagging, or labeling sequences.
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HVAC Control: Operating fans, dampers, and pumps based on simple temperature or pressure thresholds.
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Pump Control: Alternating duplex pumps and monitoring tank levels via float switches.
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Stand-alone Skid Equipment: Providing localized control for air compressors, water heaters, or hydraulic power units.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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