Description
Key Technical Specifications
- Processor Speed: 25 MHz
- User Memory: 240 KB
- Discrete I/O Capacity: 2048 inputs / 2048 outputs
- Serial Ports: 2 (RS-232 and RS-485)
- Slot Requirement: Single slot
- Internal Power: 890 mA at +5 VDC
- Scan Time: Approx. 0.22 ms per 1K Boolean logic
- Real-Time Clock: Built-in
- Programming: Logicmaster or Proficy Machine Edition
- Firmware: Revision CH
Product Introduction
The GE IC693CPU363-CH is a single-slot CPU module for the Series 90-30 PLC. It provides 25 MHz processing speed and 240 KB of user memory for medium-sized control applications with up to 2048 discrete I/O points.
This CPU is a popular choice for reliable machine control and process automation where the Series 90-30 platform is already installed. It supports two serial ports for programming and HMI connectivity.
- IC693CPU363-CH
- IC693CPU363-CH
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| CPU not running | Power or battery issue | ✅ High | Check RUN LED and power supply | Verify 5VDC and replace battery if needed |
| No communication | Cable or port settings wrong | ✅ High | Test serial ports with programming cable | Confirm baud rate and protocol |
| I/O not responding | Configuration mismatch | ✅ Medium | Check I/O configuration in software | Reload hardware configuration |
| CPU fault LED on | Program or hardware fault | ✅ Medium | Read fault table in programming software | Clear faults and reload logic |
| Slow scan times | Large program or memory full | ✅ Medium | Monitor scan time in software | Optimize logic or upgrade CPU |
Download the fault table and send it with photos of LED status for faster support.
Frequently Asked Questions (FAQ)
Is the IC693CPU363-CH new original? Yes. This is New Original / New Surplus stock complete with current firmware revision.
What is the memory capacity? 240 KB of user memory for logic and data. It supports 2048 discrete inputs and outputs.
Does it support Ethernet? No built-in Ethernet. Add an Ethernet module such as the IC693CMM321 for network connectivity.
Can I use this CPU in a redundant system? The Series 90-30 is not redundant. For redundancy, consider higher-end platforms.
How do I set the CPU to run mode? Use the mode switch on the CPU or the programming software command. The RUN LED indicates status.
Is the battery included? Batteries are typically shipped separately or installed. We recommend installing a fresh lithium battery for memory retention.
What warranty is provided? 1-year warranty covering functional operation. Verify compatibility with your existing rack and I/O configuration before installation.



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