Product Description
Product Overview
The Woodward 9907-838 is a Load Sharing Module (LSM) designed for use with Caterpillar engines equipped with a digital speed control that accepts a pulse-width modulated (PWM) input. This module enables isochronous and droop load sharing for generator sets, facilitating integration with Woodward power generation accessories and load sharing between Caterpillar engines and those controlled by Woodward electronic controls. It is widely used in industrial applications such as power generation, oil & gas, and marine systems to ensure efficient load distribution and stable operation.
Technical Specifications
The 9907-838 has the following specifications based on standard characteristics for this model:
| Item | Specification |
|---|---|
| Model/Part Number | 9907-838 |
| Manufacturer | Woodward |
| Description | Load Sharing Module, CAT PWM, 24 VDC |
| Series | Load Sharing Module (LSM) |
| Input Voltage | 24 VDC (18-32 VDC range) |
| Output Signal | Pulse-Width Modulated (PWM) for Caterpillar speed controls |
| Load Current | 3-7 A RMS (full load condition) |
| Power Consumption | 10 W |
| Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
| Weight | 0.8 kg (1.8 lbs) |
Additional Details
The 9907-838 includes the following additional information based on its standard use and documentation:
| Category | Details |
|---|---|
| Function | Provides isochronous and droop load sharing for generator sets |
| Mounting | Panel or chassis mounting |
| Compatibility | Caterpillar digital speed controls (PWM), Woodward SPM-A synchronizer, AGLC, APTL |
| Features | Isochronous load adjustment, droop load reduction, surge protection, easy setup |
| Certifications | UL/cUL Listed, EC Compliant |
| Part Type | New, surplus, or refurbished |