Description
GE IC693ALG391 2-Channel Output Module
Product Dimensions：
The GE Fanuc IC693ALG391 is a high-performance 2-Channel Analog Current Output module designed for the Series 90-30 Programmable Logic Controller (PLC) system. It provides high-resolution analog signals to control devices like actuators, valves, and motor drives.
1. Product Description
The IC693ALG391 module provides two output channels, each capable of converting 12 bits of binary data into an analog output signal. This module is specifically designed to support current loops, providing a standard range of 0 to 20 mA or 4 to 20 mA.
It interfaces directly with the Series 90-30 PLC backplane and consumes power from the +5V and +24V (Isolated) bus.
2. Technical Specifications
| Feature | Specification |
| Module Type | Analog Current Output |
| Number of Channels | 2 |
| Output Current Range | 0 to 20 mA and 4 to 20 mA |
| Resolution | 12-bit (1 part in 4096) |
| Update Rate | 5 milliseconds (approx. for both channels) |
| External Power Supply | +24V DC (Required for loop power) |
| Internal Power Consumption | 30 mA from +5V bus; 70 mA from +24V (Isolated) bus |
| Accuracy | +/- 0.1% of full scale @ 25°C |
| Isolation | 1500V between field side and logic side |
3. Key Advantages
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High Precision: The 12-bit resolution ensures smooth control of field devices with minimal error.
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Galvanic Isolation: Protects the PLC CPU and other modules from electrical noise or surges on the field side.
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Diagnostics: Includes a “Module OK” LED that provides a quick visual status of the module’s health.
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Standardized Form Factor: Fits easily into any Series 90-30 baseplate, making it highly compatible with existing legacy systems.
4. Important Considerations & Precautions
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External Power Requirement: Note that this module requires an external +24V DC power supply to drive the current loops; it cannot operate on backplane power alone for the output signal.
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Shielding: To prevent EMI (Electromagnetic Interference), it is highly recommended to use shielded twisted-pair cables and ground the shield at the PLC end.
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Current Loop Resistance: Ensure the total loop resistance (including the device and wiring) does not exceed the module’s maximum drive capability (typically 850 ohms at 24V).
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Hot Swapping: Do not insert or remove the module while the PLC rack is powered on, as this may damage the internal circuitry.
5. Product Applications
The IC693ALG391 is widely used in industrial automation for tasks requiring continuous variable control, such as:
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Flow Control: Adjusting the position of proportional valves.
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Motor Speed Control: Providing a speed reference signal to Variable Frequency Drives (VFDs).
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Heating Systems: Controlling power regulators for industrial kilns or furnaces.
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Process Automation: Interfacing with chemical dosing pumps or pressure controllers.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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