GE Power Management SPM Synchronous Motor Protection & Control7- 157 TESTING AND TROUBLESHOOTING 7.8 REVISION HISTORY77.8 REVISION HISTORY 7.8.1 FIRMWAREFIRMWARE REVISION: 109.000• Original firmware revision for BETA test units delivered from GE Power Management in Plainville.FIRMWARE REVISION: 151.000• All features made standard except power factor regulation• Check exciter field disabled while starting• Off settings added to exciter/field voltage, current and resistance elements.• Transient immunity improved via disabling unused inputs to processor.FIRMWARE REVISION: 152.000• Display now refreshed every 30 secondsFIRMWARE REVISION: 200.000• Modbus communications added• Self-test changed• Off settings made uniformFIRMWARE REVISION: 201.000• FAR relay not being released upon motor stopping error correctedFIRMWARE REVISION: 202.000• Removed runtime error on starts when measured locked rotor exceeds programmed locked rotor• Improved communications integratedFIRMWARE REVISION: 203.000• The incomplete sequence function will not operate when the motor type is selected asCollector Ring.Instead a SQUIRREL CAGE TRIP is received.FIRMWARE REVISION: 210.000• Field Amps Loss delay added• Field Volts Loss delay added