Description
GE IC693ALG390 Analog Input Module for Industrial Automation
If you’re managing a process control system, the GE IC693ALG390 is one of those modules that seems to just work without much fuss. It’s part of the Series 90-30 PLC family and is specifically designed for handling analog signals from sensors like thermocouples, RTDs, or pressure transmitters. From my experience, it’s particularly popular in industries where precision and reliability are non-negotiable—think oil and gas, water treatment, or manufacturing.
Key Features
- High Channel Density: This module supports up to 8 analog input channels, making it ideal for systems with multiple sensor inputs. You might notice that this reduces the need for additional modules, saving both space and cost.
- Versatile Signal Compatibility: It works with a variety of signal types, including 4-20mA, 0-10V, and others. Typically, this flexibility simplifies integration into existing setups.
- Easy Configuration: With software tools like Proficy Machine Edition, setup is straightforward even for users who aren’t experts in ladder logic programming.
- Rugged Build: Designed for harsh industrial environments, the IC693ALG390 can withstand temperature fluctuations and electromagnetic interference, which appears to be a common concern in many installations.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | GE IC693ALG390 |
| HS Code | 85371098 |
| Power Requirements | 24V DC (Nominal) |
| Dimensions & Weight | Approx. 140mm x 90mm x 70mm; ~350g |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Signal Input Types | 4-20mA, 0-10V, ±10V, etc. |
| Communication Interfaces | Backplane communication via PLC bus |
| Installation Method | DIN rail mountable |
Related or Supporting Products
For larger systems requiring more I/O points, consider upgrading to the IC693ALG391, which offers similar functionality but with enhanced resolution. Alternatively, pair the IC693ALG390 with GE’s IC693PWR330 power supply unit for seamless operation. One thing I appreciate about these components is how they integrate so smoothly—they’re engineered to complement each other.
Installation & Maintenance
When installing the IC693ALG390, ensure proper cabinet ventilation since heat dissipation can sometimes become an issue in compact enclosures. Wiring should follow standard practices, avoiding cross-talk between high-voltage lines and signal cables. For maintenance, periodic calibration checks every 6-12 months are recommended to maintain accuracy. Firmware updates, though rare, should be applied as needed through the configuration software.
Quality & Certifications
The GE IC693ALG390 carries certifications such as CE, UL, and RoHS compliance, ensuring safety and environmental responsibility. The manufacturer backs it with a 365-day warranty, giving peace of mind for most users. In most cases, customers find this coverage sufficient for their operational needs.








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