56Magtrol Model DSP7000 Dynamometer ControllerChapter5 – AlarmSystemSETUP • OPERATION5.10 temperature alarm (wb/pb only)• To alert user when dynamometer gets too hot and thermal switch opens• Only available for use with WB or PB dynamometers• Default - always active5.10.1 inSTruCTionS for TeMperaTure alarM SeTupNo setup needed.5.10.2 T eMperaTure alarM aCTionWhen the dynamometer in use becomes too hot, the display will flash “TEMPERATURE ALARMTSCx”. The alarm relay will open and the excitation current will immediately decrease to 10%. Afterapproximately 3 seconds, the current will drop to 0. Standby signal is cycled for approximately onesecond after resetting of the alarm.POWERBRAKE STATUS SET POINT SET POINT P I DTORQUE SPEED USER DISPLAY**** TEMPERATURE ALARM TSCX ****TORQUE=XXX.XX XX RPM=X XXXXFigure 5–23 Temperature Alarm Message Display5.10.3 T o reSeT TeMperaTure alarMPress any front panel button other than ShIFT. The alarm condition must be cleared before the unitwill return to normal operation.5.11 eleCtriCal alarm• Used to protect the DES supply• Monitors electrical input (mains) and circuitry of the DES• Only available for use with WB or PB dynamometers• Default - always active5.11.1 inSTruCTionS for eleCTriCal alarM SeTupNo setup needed.5.11.2 eleCTriCal alarM aCTionWhen there is an electrical overload, the display will flash “ELECTRICAL ALARM TSCx”. Thealarm relay will open and the excitation current will immediately decrease to zero. Standby signalis cycled for approximately one second after resetting of the alarm.
