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GE DS2020FECNRX015A Field Exciter Module
The GE DS2020FECNRX015A Field Exciter Module is a crucial printed circuit board (PCB) component used in General Electric’s industrial control systems.
It belongs to the family of modules that govern the flow of current to the field windings of DC motors or synchronous generators/motors, thereby providing precise excitation control for the machine.
🛠️ Key Specifications and Functions
| Feature | Specification/Description |
| Product Type | Field Exciter Module / Field Exciter Assembly (FECN) |
| Series/Family | GE Mark V and DC2000 Digital Adjustable Drive Systems |
| Shunt Rating (Key Identifier) | 15 Amps (15A). The last three digits (015) in the part number indicate the module is designed for a 15 Amp shunt for current feedback and monitoring. |
| Maximum Output Current | Excites up to a 24 Amp motor field. |
| Function | Regulates the excitation current to the field windings. It functions as a voltage regulator by monitoring the output voltage and adjusting the field current to maintain a stable, constant output. |
| Plugging Type | Non-Reversing (NRX), which means it is typically used for non-regenerative speed control applications. It can also operate with NRP (Non-Reversing, Plugging) field supplies. |
| Compatible Drives | Used with C, G, and M frame DC2000 drives. |
| Documentation | Reference is often made to the GE drive manual GEH-6005 or GEH-6330. |
Part Number Breakdown
The sequence of the part number is standard for this series of GE industrial boards:
- DS2020: Indicates the product generation/family (DC2000/Mark V drive).
- FECN: Stands for Field Exciter Control Non-Reversing.
- RX: Signifies the type of conformal coating applied to the PCB for environmental protection.
- 015A: Designates the 15 Amp shunt rating and the revision level.
The 15A shunt rating is the most important parameter that determines the correct application of this module, as it must match the monitoring and control requirements of the connected field circuit.
