SPM-D2-1010B/X 8440-2168
SPM-D2-1010B/X Synchronizer with Analog Bias - Automatic Generator Synchronizing Unit
Lifecycle note: Use the unit nameplate and current Woodward documentation as final references before approving a replacement.
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Woodward SPM-D2-1010B/X 8440-2168 is the 100 VAC X-package synchronizer in the SPM-D2-10 family. It measures generator and bus conditions and controls one circuit breaker after the configured frequency, phase and voltage matching criteria are satisfied.
In addition to discrete raise/lower commands, Woodward 8440-2168 provides two configurable analog bias outputs for speed and voltage. Supported output formats include multiple voltage and current ranges and a configurable 500 Hz PWM speed-bias signal for matching different governor and AVR interfaces.
The unit includes four discrete alarm inputs, two discrete outputs, 24 VDC power, a two-line display, front synchronoscope and USB ToolKit connectivity. True-RMS sensing and configurable breaker-time compensation support commissioning across diesel, gas-turbine and hydro-generator applications.
Verify the X suffix, 100 VAC sensing, analog output range, polarity, governor/AVR input limits, breaker close time and terminal wiring before replacing or configuring Woodward 8440-2168.
| Manufacturer | Woodward |
|---|---|
| Model | SPM-D2-1010B/X 8440-2168 |
| Ordering number | 8440-2168 |
| Product type | Automatic Generator Synchronizing Unit |
| System family | Woodward SPM-D2-10 Series |
| Exact package | SPM-D2-1010B/X |
| Measuring inputs | 100 VAC, two-phase |
| Power supply | 24 VDC |
| Synchronized breakers | 1 |
| Bias outputs | Discrete plus 2 configurable analog outputs |
| Analog output modes | +/- voltage, 0/4-20 mA and 500 Hz PWM options |
| Discrete I/O | 4 alarm inputs; 2 outputs |
| Service interface | 1 USB serial interface; ToolKit configuration |
Woodward SPM-D2-1010B/X 8440-2168 is a automatic generator synchronizing unit in the Woodward SPM-D2-10 Series. Its exact role is spm-d2-1010b/x synchronizer with analog bias.
Woodward SPM-D2-1010B/X 8440-2168 is used where the installed system requires 100 VAC sensing with configurable analog and PWM bias outputs. Confirm the complete architecture and application approval before replacement.
The key data for Woodward SPM-D2-1010B/X 8440-2168 are the exact package, electrical ranges, I/O or interface configuration, environmental limits and system role listed in the technical table and applicable Woodward documentation.
Compare Woodward SPM-D2-1010B/X 8440-2168 with the installed nameplate, revision, firmware or Coder release, connectors, terminal assignments, sensing ranges and system configuration. A nearby suffix is not proof of compatibility.
Verify power isolation, grounding, wiring, mounting, field signal ranges, communication settings and the approved application file before installing Woodward SPM-D2-1010B/X 8440-2168.
Commission Woodward SPM-D2-1010B/X 8440-2168 with the applicable Woodward procedure, then prove inputs, outputs, alarms, control actions, communications and fail-safe behavior before returning the equipment to service.
Do not assume a direct replacement for Woodward SPM-D2-1010B/X 8440-2168. Match the complete order code 8440-2168, suffix, hardware revision, electrical interfaces and installed-system requirements.
Provide the complete Woodward SPM-D2-1010B/X 8440-2168 nameplate, part number, revision and serial number, together with the application, quantity, destination and clear connector photographs.
Woodward specification 37622 explicitly lists order code 8440-2168 as the SPM-D2-1010B/X package. Open the linked official Woodward document in a new tab and compare it with the installed-unit documentation.
Send the complete model, part number, revision, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
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