Magtrol DSP7000 - Air Flow Alarm Action; To Reset Air Flow Alarm; Figure 5-17 Air Flow Alarm Setup Display; Figure 5-18 Air Flow Alarm Message Display

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Magtrol Model DSP7000 Dynamometer Controller
Chapter 5 – Alarm System
SETUP • OPERATION
POWER
BRAKE STATUS SET POINT SET POINT PID
TORQUE SPEED USER DISPLAY
DO YOU WANT AN AIR FLOW ALARM?
XXX

Figure 5–17 Air Flow Alarm Setup Display
5. Press SCALE I button to select YES.
6. Press SHIFT 5 times to complete Air Flow Alarm setup and return to the main menu.
5.7.2 air flow alarM aCTion
When there is a lack of air flow, the display will flash “LOW AIR FLOW” (as indicated in Figure
5–18) . The alarm relay will open and the excitation current will automatically drop to 10% of the
last excitation current. Standby signal is not cycled.
POWER
BRAKE STATUS SET POINT SET POINT PID
TORQUE SPEED USER DISPLAY
**** LOW AIR FLOW ****
TORQUE=XXX.XX XX
RPM=X XXXX
Figure 5–18 Air Flow Alarm Message Display
5.7.3 To reSeT air flow alarM
Press any front panel button other than SHIFT. If the alarm condition is clear, the unit will return
to normal operation. Although not recommended, another option would be to disable the alarm by
following the alarm setup instructions in Section 5.7.1 – Instructions for Air Flow Alarm Setup.