Description
Product Introduction
The GE IC693CPU372 represents the high-performance tier within the Series 90-30 family, integrating dual Ethernet ports directly onto a single-slot CPU module.This controller distinguishes itself with a 133 MHz AMD SC520 processor, 0.15 ms scan time per 1K Boolean instructions, and support for Device Level Ring topology—honestly, that dual Ethernet design is actually clever for network redundancy without extra hardware .
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Single-Slot CPU Module (32-bit processor) |
| Processor | AMD SC520 @ 133 MHz |
| Memory | 240 KB battery-backed RAM (user program/data) |
| Scan Time | 0.15 ms per 1K Boolean logic instructions (typical) |
| I/O Capacity | Up to 2048 discrete I/O points; 32,640 analog I/O words (max) |
| Communication Ports | 2x RJ-45 Ethernet (10/100 Mbps auto-sensing), 1x RS-232/485 serial |
| Power Consumption | 1.4 A @ 9-36 V DC (from PLC backplane) |
| Operating Temperature | -20°C to 70°C (-4°F to 158°F); storage: -40°C to 85°C |
| Network Protocols | Modbus TCP/IP, SRTP, EGD, Device Level Ring (DLR) topology support |
| Compatibility | Series 90-30 baseplates (IC693CHS391/392/393), firmware v6.0+ |
| Dimensions | 100 mm × 60 mm × 25 mm (3.94″ × 2.36″ × 0.98″) |
| Weight | 200 g (7.05 oz) |
| Certifications | UL, CE, CSA |
IC693CPU372
Quality Control Process (SOP Transparency)
Here’s our verification process for the GE IC693CPU372. We use Fluke 115 for electrical tests and a dedicated Series 90-30 test rack with dual Ethernet simulation.
- Incoming Verification: Trace serials against OEM lists, verify dual RJ-45 ports for physical damage, inspect 37-pin D-sub connector, audit accessories (none included).
- Live Functional Test: Install in Series 90-30 test rack, power-on self-check, dual Ethernet handshake (ping test at 100 Mbps), serial comms test (Modbus RTU), simulate 2048 I/O load, run 24 hr test with temp logging (logged -15°C to 65°C range).
- Electrical Parameter Test: Megger insulation at 500 V (>10 MΩ), verify DC input draw (1.4 A nominal at 24 V), check ground continuity with Fluke 115.
- Firmware Verification: Read firmware version (record v6.2), photograph DIP switches (all off) and Ethernet configuration settings.
- 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.
IC693CPU372
Replacement Pitfall Guide (Field Engineer’s Warnings)
Swapping this dual-Ethernet module introduces network-specific risks. Keep these five points in mind and you’ll eliminate roughly 90% of rework.
- ❗ Dual Ethernet Port Configuration: Both ports share the same IP address but act as an internal switch. Misconfigured DLR topology causes network loops. Document existing network settings before removal .
- ❗ Firmware Rev Mismatch: New module firmware may lack DLR support present in older versions. Record current firmware before swapping. Case: Swapped V5.8 for V6.2—network showed “DLR Not Supported” until downgrade.
- ❗ Power Budget Shortfall: This unit draws 1.4 A—higher than non-Ethernet CPUs. Calculate total rack load, maintain 20% headroom. Added 8 AI modules? Rack hit 75 W; 24 V/3 A supply tripped.
- ❗ Ethernet PHY ESD Sensitivity: The dual Ethernet chips are static-sensitive. Wear a wrist strap. Work on an anti-static mat. A module powered up but showed “Link Down” on both ports—$3,500 loss from skipping ESD precautions.
- ❗ RS-232/485 Serial Port Pinout: The serial port supports both protocols via jumpers. Verify existing configuration (RS-232 vs. RS-485) before installation. Mismatched jumper settings caused Modbus RTU comms failure.
