WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Catalog / Part Number | 8273-1011 (2301E) |
| Manufacturer | Woodward |
| Input Voltage | 18–36 V DC (typically 24 V DC) |
| Control Modes | Isochronous, Droop, Base Load |
| Load Sensor | 1 |
| Actuator Driver | 1 (4–20 mA, 0–20 mA, 0–200 mA, or PWM) |
| Speed Sensor | 1 MPU (magnetic pickup) |
| Analog Inputs | 2 configurable |
| Analog Output | 1 configurable |
| Discrete Inputs | 8 (3 configurable) |
| Discrete Outputs | 4 relay driver outputs |
| Serial Ports | Separate RS-232 and RS-422 (9-pin) |
| Location Rating | Ordinary (non-hazardous) locations |
| Configuration Method | PC software via RS-232 (Control Assistant / ToolKit) |
| Compatibility | Backward compatible with 2301A and 2301D |
4. Product Introduction
The Woodward 2301E (part number 8273-1011) is a microprocessor-based digital load-sharing and speed control for generators driven by diesel or gaseous engines. It delivers precise speed regulation and load sharing in isochronous, droop, or base-load modes.
The unit includes a load sensor circuit, magnetic-pickup speed input, configurable actuator driver, analog and discrete I/O, and dual serial ports. It is rated for ordinary (non-hazardous) locations and uses the same footprint as earlier 2301D controls, making it a practical upgrade path. Configuration is performed with a PC connected to the front RS-232 port using Woodward software.
Important clarification: This is a Woodward product. Triconex (Schneider Electric) does not manufacture the 2301E 8273-1011. Marketplace listings sometimes incorrectly prefix “Triconex.”
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No power / blank status | Supply voltage missing or out of range | ❌ Low | Measure 18–36 V DC at power terminals | Verify external 24 V DC supply first |
| Engine will not reach rated speed | Speed reference or MPU signal problem | ✅ High | Check MPU amplitude, gap, and tooth count setting | Correct speed-sensing parameters |
| Unstable or unequal load share | Load sensor wiring or scaling error | ✅ High | Inspect CT connections and load-share lines | Verify load-sensor calibration and paralleling setup |
| Actuator not moving | Wrong output type or open circuit | ✅ High | Confirm driver mode matches actuator (mA or PWM) | Match configuration to actuator requirements |
| Cannot connect via serial port | Wrong port, cable, or baud rate | ✅ Medium | Test both RS-232 and RS-422 ports | Use correct cable and software settings |
| Shutdown with fault log | Overspeed, underspeed, or configured trip | ✅ High | Download fault log via PC software | Review peak values and clear after correction |
If the control still does not regulate correctly after these checks, save the configuration file and fault log, photograph the wiring, and contact technical support.
2301E 8273-1011
2301E 8273-1011
6. Frequently Asked Questions (FAQ)
Q: Is this a Triconex product?
A: No. The 2301E 8273-1011 is manufactured by Woodward. Triconex is a different brand (safety systems). Some surplus listings incorrectly add “Triconex” to the description.
Q: What is the difference between 8273-1011 and 8273-1012?
A: 8273-1011 is the ordinary-location version. 8273-1012 is the hazardous-location version of the same 2301E control.
Q: What power supply is required?
A: A stable 18–36 V DC source (normally 24 V DC).
Q: Can it replace an older 2301A or 2301D?
A: Yes. It is designed as a form-fit functional upgrade with the same mounting footprint and enhanced digital features.
Q: How is the unit configured?
A: Connect a PC to the front RS-232 port and use Woodward Control Assistant or ToolKit software to set speed range, gear teeth, control mode, and I/O parameters.
Q: What actuators does it support?
A: Current outputs (4–20 mA, 0–20 mA, 0–200 mA) and low-current PWM suitable for Woodward L-Series, F-Series, P-Series, and PISC actuators.
Q: Does it support isochronous load sharing?
A: Yes. It includes a dedicated load-sensor input and is intended for multi-generator isochronous load sharing.
