
52
Magtrol Model DSP7000 Dynamometer Controller
Chapter 5 – Alarm System
SETUP • OPERA
TION
5.6
global torque alarm
5.6.1
i
nSTruCTionS
for
g
loBal
T
orque
a
larM
S
eTup
1. Starting from main menu, press ShIFT.
2. Press SETUP button.
3. Select TANDEM.
4. Press SCALE I button to select “YES” and then press ShIFT.
POWER
BRAKE STATUS
SET POINT
SET POINT
P
I
D
TORQUE
SPEED
USER DISPLAY
GLOBAL POWER TORQUE ALARMS
XXX.XXKW XXX.XX Nm
Figure 5 –16 Global Torque Alarm Setup
NoTE:
global torque alarm is only enabled when Wb/Wb or Pb/Pb dyno
tandem configuration.
5. Press MAx SPEED button and use
and
buttons and Decrease/Increase dial to set
desired global torque value.
6. Press ShIFT 2 times to complete global Torque Alarm setup and return to the main menu.
5.6.2
g
loBal
T
orque
a
CTion
If torque is greater than the maximum setting the display will flash “gLobAL ToRqUE ALARM”
(as indicated in Figure 5–9) The alarm relay will open, excitation current will hold at last value for
3 seconds then drop to zero. Standby signal is not cycled
5.6.3
T
o
r
eSeT
g
loBal
T
orque
a
larM
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 5.6.1 – Instructions for Global Torque Alarm Setup
.
5.7
air flow alarm
• Used to indicate a lack of air flow 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
5.7.1
i
nSTruCTionS
for
a
ir
f
low
a
larM
S
eTup
1. Starting from main menu, press ShIFT.
2. Press SETUP button.
3. Select DYNo.
4. Select ALARMS. The display should appear as follows: