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Phone: +86 16626708626Description
Product Model: GE IC693ALG221
Product Brand: GE Fanuc
Product Series: Series 90-30
Product Features:
• Four high-precision analog current input channels with selectable ranges (0–20 mA and 4–20 mA)
• 12-bit resolution for accurate signal conversion and process control
• Industrial-grade electrical isolation and robust design
• Seamless integration with GE Fanuc Series 90-30 PLC architectures
Technical Specifications
| Specification | Description |
|---|---|
| Model Number | GE IC693ALG221 |
| Manufacturer | GE Fanuc |
| Series | Series 90-30 |
| Module Type | Analog Current Input |
| Number of Channels | 4 |
| Input Ranges | 4–20 mA, 0–20 mA |
| Resolution | 12-bit |
| Update Rate | ~2 ms for all channels |
| Accuracy | ±0.1% full scale |
| Isolation | 1500 V RMS field to logic |
| Input Impedance | ~250 ohms |
| Input Filter Response | ~325 Hz |
| Power Consumption | ~25 mA @ +5 V, ~100 mA @ +24 V |
| Mounting | Rack-mounted for Series 90-30 |
- IC693ALG221
Technical Features & Benefits
At the heart of the GE IC693ALG221 is a finely tuned analog-to-digital converter (ADC) that delivers 12-bit resolution. This means that current input values are represented with high granularity, allowing subtle variations in process variables to be detected and acted upon. For many control applications, this level of detail translates directly into better stability and more precise control loops.
One of the standout design features of this module is its support for selectable input ranges. Defaulted to interpret standard 4-20 mA loops, the unit can be reconfigured for 0-20 mA with simple hardware jumpers. In field commissioning, this flexibility reduces the need to stock different module variants and streamlines inventory.
Unlike some modern analog modules that rely heavily on software filtering, the GE IC693ALG221 incorporates substantial built-in hardware filtering and electrical isolation. With 1500 V RMS isolation between field signals and the PLC logic side, electrical noise and voltage transients are mitigated at the module level—a critical advantage on noisy plant floors with motors, solenoids, and power conversion equipment.
The update rate of approximately 2 milliseconds across all channels keeps throughput responsive while staying compatible with typical PLC scan rates. Engineers often note that rapid update isn’t always the primary requirement; rather, consistent and predictable sampling is more valuable because it enables stable control outcomes.
One subtle but practical benefit of this analog card is its LED indicators. These visual cues for module status and power help technicians quickly verify operation during maintenance rounds without needing to connect programming tools—a simple convenience that can reduce troubleshooting time.
