Description
Product Introduction
The -CJ suffix denotes the Ethernet-equipped variant of the IC693CPU364. This controller integrates 10Base-T connectivity directly into the Series 90-30 architecture.Compared to base 364 models, the -CJ adds embedded Ethernet (10Base-T/AAUI) while maintaining the 25 MHz 80386EX processor and 0.22 ms scan time. Honestly, that integrated Ethernet port eliminates the need for a separate comms module—a clever design choice for networked systems.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | CPU Module (80386EX processor) |
| Processor | 80386EX @ 25 MHz |
| Memory | 240 KB register memory (user program/data) |
| Scan Time | 0.22 ms per 1K Boolean logic instructions |
| I/O Capacity | Up to 2048 discrete/analog points |
| Communication Ports | 1x Ethernet (10Base-T/AAUI), 1x RS-232/485 serial, 1x Genius Bus |
| Power Consumption | 1.1 A @ +5 V DC (from PLC backplane) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Baseplate Support | 8 baseplates maximum (1 CPU + 7 expansion) |
| Ethernet Interface | 10Base-T (direct receiver) and AAUI (external transceiver) |
| Floating Point Math | Yes (firmware-based) |
| Certifications | UL, CE, CSA |
GE IC693CPU364
Quality Control Process (SOP Transparency)
Here’s our verification process for the GE IC693CPU364-CJ. We use Fluke 115 for electrical tests and a dedicated Series 90-30 test rack with Ethernet simulation.
- Incoming Verification: Trace serials against OEM lists, verify -CJ suffix denotes Ethernet version, inspect RJ-45 port and AAUI connector for damage, audit accessories (none included).
- Live Functional Test: Install in Series 90-30 test rack, power-on self-check, Ethernet handshake (ping test at 10 Mbps), serial comms test (Modbus RTU), simulate 2048 I/O load, run 24 hr test with temp logging (logged 48°C max).
- Electrical Parameter Test: Megger insulation at 500 V (>10 MΩ), verify +5 V DC draw (1.1 A nominal), check ground continuity with Fluke 115.
- Firmware Verification: Read firmware version (record v5.5), photograph DIP switches (all off) and Ethernet configuration jumpers.
- Final QC & Packaging: Inspector signs off, seal in anti-static bag with desiccant, bubble wrap + double-walled carton, apply QC Passed label with date and Ethernet test results.
GE IC693CPU364
Replacement Pitfall Guide (Field Engineer’s Warnings)
Swapping this module requires attention to Ethernet configuration. Keep these five points in mind and you’ll eliminate roughly 90% of rework.
- ❗ Ethernet Configuration Mismatch: Default IP settings won’t match your network. Document existing IP, subnet, gateway before removal. Case: An engineer swapped modules—the line lost comms. Root cause: new module had DHCP enabled, old used static IP.
- ❗ AAUI vs. 10Base-T Confusion: The module supports both interfaces. Verify which port your network uses. AAUI requires external transceiver; 10Base-T uses standard RJ-45. Well, technically both work, but mismatching cables causes link failures.
- ❗ Firmware Rev Mismatch: New module firmware may lack Ethernet drivers present in older versions. Record current firmware before swapping. Swapped V5.2 for V5.5—Ethernet port showed “No Link” until downgrade.
- ❗ Power Budget Shortfall: This unit draws 1.1 A—higher than non-Ethernet CPUs. Calculate total rack load, maintain 20% headroom. Added 6 AI modules? Rack hit 70 W; 24 V/3 A supply tripped.
- ❗ ESD Damage to Ethernet PHY: The Ethernet chip is static-sensitive. Wear a wrist strap. Work on an anti-static mat. A module powered up but showed “Link Down”—$3,000 loss from skipping ESD precautions.
