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DSE 5xxx Configuration Software ManualFunctionAuto start InhibitAuxiliary Mains FailGenerator Closed AuxiliaryGenerator Load InhibitLamp TestMain closed AuxiliaryDescriptionThis input is used to provide an over-ride function to prevent the52xx/53xx from starting the generator in the event of a remotestart/mains out of limits condition occurring. If this input isactive and a remote start signal/mains failure occurs the52xx/53xx will not give a start command to the generator. Ifthis input signal is then removed, the 52xx/53xx will operate asif a remote start/mains failure has occurred, starting and loadingthe generator. This function can be used to give an‘AND’function so that a generator will only be called to start if themains fails and another condition exists which requires thegenerator to run. If the ‘Auto start Inhibit’ signal become activeonce more it will be ignored until the module has returned themains supply on load and shutdown.The 5220/5320 module will monitor the incoming single or threephase supply for Over Voltage, Under Voltage, Over Frequencyor Under Frequency. It may be required to monitor a differentmains supply or some aspect of the incoming mains notmonitored by the module. If the devices providing thisadditional monitoring are connected to operate this input, the5220/5320 will operate as if the incoming mains supply hasfallen outside of limits, the generator will be instructed to startand take the load. Removal of the input signal will cause themodule to act if the mains has returned to within limits.This input is used to provide feedback to allow the 52xx/53xx togive true indication of the contactor or circuit breaker switchingstatus. It should be connected to the generator load switchingdevice auxiliary contact.This input is used to prevent the 52xx/53xx from loading thegenerator. If the generator is already on load, activating thisinput will cause the 52xx/53xx to unload the generator.Removing the input will allow the generator to be loaded again.NOTE:-This input only operates to control thegenerator-switching device if the 52xx/53xx loadswitching logic is attempting to load the generator. Itwill not control the generator-switching device whenthe mains is on load.This input is used to provide a test facility for the front panelindicators fitted to the 52xx/53xx module. When the input isactivated all LED and LCD indicators will illuminate.This input is used to provide feedback to allow the 5220/5320 togive true indication of the contactor or circuit breaker switchingstatus. It should be connected to the mains load switchingdevice auxiliary contact.DSE5xxx Configuration software ISSUE 2 02/07/04 AM 25