Load Sharing Module - Home Mega Global Solution

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Load Sharing Module Manual 26011Input Signals• Are all input signals properly scaled?• Are the inputs free of electrical noise and properly shielded?• Is the wiring correct?• Have all field input signals to the control been verified?• Is the polarity of the signals correct?Output Signals• Are the outputs calibrated?• Have the actuator drivers been calibrated to the stroke of the fuel injectionpump, fuel valves, or turbine valves?• Are the output signals free of noise and properly shielded?• Is the wiring correct?Magnetic Pickups And Other Speed Sensing Devices• Is the wiring between the speed sensing pickup and the control correct?• Are there any grounding problems or worn shields?• Is the signal sufficient?• Is the signal a clean sine wave or square wave with no spikes or distortions?• Is the MPU head clean and free of oil or metallic particles?• Is the MPU head free of any nicks or chips?• Is the MPU or proximity probe correctly aligned with the gear?• Is the speed sensing probe adjusted to the correct gap?• Is the speed sensing probe head the correct size for the toothed wheel it isbeing used with?Input Voltage/Power Supplies• Is the input power within the range of the control’s power supply input?• Is the input power free of switching noise or transient spikes?• Is the power circuit dedicated to the governor only?• Are the control’s supplies indicating that they are OK?• Are the control’s supplies outputting the correct voltage?Electrical Connections• Are all electrical connections tight and clean?• Are all signal wires shielded?• Are shields continuous from the device to the control?• Are the shields terminated according to Woodward specifications?• Are there low voltage signal wires running in the same wiring trays as highvoltage wiring?• Are the governor’s signal common or grounds not tied to any other devices?• Have the signals been checked for electrical noise?Voltage Regulator• Is the voltage regulator working properly?32 Woodward
Manual 26011Load Sharing ModuleExternal Devices• Are there external devices the control is dependent on for input signals?• Are these devices providing the correct signal to the control?• Is the external device configured or programmed to be compatible with thecontrol?Woodward 33
Page 1 and 2: 26011LoadSharingModuleAnalog Output
Page 5 and 6: Manual 26011Chapter 1General Inform
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Page 11 and 12: Manual 26011Chapter 3InstallationLo
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Page 17 and 18: Manual 26011Chapter 4Setup and Cali
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Page 27 and 28: Manual 26011Chapter 5Theory of Oper
Page 29 and 30: Manual 26011Chapter 6Troubleshootin
Page 31 and 32: Manual 26011Chapter 7Service Option
Page 33 and 34: Manual 26011Packing a ControlLoad S
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Page 39 and 40: Manual 26011AppendixLSM Control Spe
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