User`s manual

56
Magtrol Model DSP6001 Dynamometer ControllerChapter 6 – Alarm System
SETUP • OPERATION
6.5 AIR FLOW ALARM
• Usedtoindicatealackofairowfromablowerorairline
• OnlyforusewithHysteresisDynamometers
• MonitoredonlywhenthebrakeisON
• Defaultissetin“OFF”mode
6.5.1 inStrUCtionS for air fLow aLarM SetUp
1. Starting from main menu, press SHIFT.
2. Press DYNO SETUP button.
3. Select ALARMS. The display should appear as follows:
POWER
BRAKE STATUS SET POINT SET POINT P I D
TORQUE SPEED STATUS
Figure 6–13 Air Flow Alarm Setup Display
4. Press COM SETUP button to select YES.
5. Press SHIFT 5 times to complete Air Flow Alarm setup and return to the main menu.
6.5.2 air fLow aLarM aCtion
When there is a lack of air flow, the display will flash “LOW AIR FLOW” (as indicated in Figure
6–14) and will be accompanied by an audible beeping sound. The alarm relay will open and the
excitation current will automatically drop to 10% of the last excitation current.
POWER
BRAKE STATUS SET POINT SET POINT P I D
TORQUE SPEED STATUS
∗∗∗∗ ∗∗∗∗
Figure 6–14 Air Flow Alarm Message Display
6.5.3 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 6.5.1 – Instructions for Air Flow Alarm Setup.