Overview
Specification
| Parameter | Specification |
|---|---|
| Model Number | 9907-028 |
| Module Type | Digital Load Sharing and Speed Control, SPM-A Synchronizer |
| Function | Generator synchronization, load sharing, and turbine speed control |
| Input Voltage | 24–28 VDC nominal, 20–32 VDC operating range |
| Current Draw | 120 mA typical, 250 mA maximum |
| Operating Temperature | –40°C to +70°C |
| Storage Temperature | –40°C to +85°C |
| Speed Regulation Accuracy | ±0.25% of rated speed |
| Response Time | <50 ms typical to step changes |
| Analog Inputs | 4–20 mA or 0–10 V for reference and feedback |
| Digital Inputs | 24 VDC logic for start/stop, trip, and mode selection |
| Output | 4–20 mA actuator signal for turbine control |
| Communication | Compatible with NetCon and Micronet protocols |
| Mounting | Panel or rack-mountable |
| Environmental Protection | Vibration-resistant, EMI/EMC shielded for industrial use |
| Indicators | LEDs for power, fault, and operational status |
| Diagnostics | Built-in self-test and operational monitoring |
| Redundancy / Safety Features | Supports dual-redundant configurations for fault-tolerant operation |
| Dimensions | 6.5 x 4.0 x 2.2 inches (approximate) |
| Weight | 0.9 lb (0.41 kg) |
| Certifications | CE compliant, UL recognized component |
FAQ
A1: Yes, it accurately synchronizes multiple generators while distributing load evenly across the system.
Q2: Which communication protocols are supported by this module?
A2: The 9907-028 integrates with Woodward NetCon and Micronet networks for reliable system connectivity.
Q3: What is the operating temperature range of the module?
A3: It operates reliably between –40°C and +70°C, suitable for harsh industrial environments.
Q4: Is this module suitable for retrofitting older turbine or generator control systems?
A4: Yes, it can be seamlessly integrated into existing systems for digital upgrade and enhanced control.
Q5: How does the module ensure safety and reliability during operation?
A5: It includes dual-redundant configuration support, built-in diagnostics, and fault indicators for safe operation.
Manual/Datasheet PDF
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