GE IC693ALG221 4-Channel Current Input Module
Brand： GE
model： IC693ALG221
Colour：new
Warranty: 12 months
Lead Time：3-day working day
Country of origin: USA Price: Please contact us
Product weight：0.2kg
Shipping Port: China
Payment: Bank of Chicago, Bank of Singapore
GE IC693ALG221 4-Channel Current Input Module
## 1. Product Overview
The IC693ALG221 provides 4 input channels, each capable of converting an analog current signal into a digital value for use by the CPU. This module is specifically designed for current loops, making it ideal for industrial environments where long-distance signal transmission is required.
## 2. Technical Specifications
The following table summarizes the key hardware parameters:
| Parameter | Specification |
| Module Type | Analog Input (Current) |
| Number of Channels | 4 (Single-ended) |
| Input Range | 4 to 20 mA and 0 to 20 mA |
| Resolution | 12-bit (1 unit = 4 $\mu$A) |
| Internal Power Consumption | 100 mA from +5V bus; 25 mA from isolated +24V |
| Update Rate | 2 ms (approx. for all 4 channels) |
| Input Impedance | 250 Ohms |
| Common Mode Rejection | 50/60 Hz |
## 3. Key Product Advantages
High Precision: With 12-bit resolution, it provides the accuracy needed for sensitive pressure, temperature, and flow measurements.
Fast Processing: A 2ms update rate ensures that your PLC logic is reacting to real-world changes almost instantaneously.
Easy Configuration: It uses the standard GE Fanuc configuration software (Proficy Machine Edition or Logicmaster), requiring no complex manual calibration.
Robust Isolation: Provides electrical isolation between the field circuitry and the PLC backplane, protecting the CPU from external surges.
## 4. Important Considerations (Precautions)
External Power: This module requires an external +24VDC power supply to power the current loops if the sensors are not self-powered.
Shielding: To prevent EMI (Electromagnetic Interference), it is highly recommended to use twisted-pair shielded cable for all analog signals.
Module Placement: While it can be installed in any slot of a Series 90-30 baseplate, avoid placing it immediately next to high-voltage AC modules to reduce noise.
Current Limitation: Do not exceed the maximum input current rating, as this can damage the precision resistors inside the module.
## 5. Common Applications
The IC693ALG221 is widely used in process control industries, including:
Water Treatment: Monitoring flow rates and tank levels via 4-20mA sensors.
Oil & Gas: Interfacing with pressure transducers and gas analyzers.
HVAC Systems: Reading humidity and temperature transmitters.
Manufacturing: Speed control feedback for Variable Frequency Drives (VFDs).
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
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