MICRO-EPSILON turboSPEED DZ140, Operating Instructions Manual

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Page 27
Operation
turboSPEED DZ140
i
The list of modes is fixed as a quick guide on the back side of the turboSPEED DZ140 and can be also
printed separately if it is covered during the measurement, see Chap. A 2 .
5.5.2 Number of Blades
Set the number of blades of the turbo charger using the switch
Blades
on the controller, see Fig. 22 .
- Blades 1 ... 16 (number of blades)
The settings for a turbo charger with 8 blades are shown, see Fig.
22 .
SUPPL
Y /
OUTPUT
RA
W SIGNAL
Blades
1 2 3
4
5
67
89
1011
12
13
14
15
16
Fig. 22 Rotary switch for the number
of blades
One pulse per blade with variable duration
- Impulse duration depends on compressor rotation speed
- Amplitude: LOW = 0 V, HIGH = 5 V
Set the number of blades of the turbo charger with the switch
Blades
on the controller to value 1, see
Fig. 22 .
i
Also detects up to 16 blades at a maximum speed of 400,000 rpm.
One pulse per revolution
- Duration about 100 µsec
- Programming of the number of blades with the corresponding position of the switch
Blades
.
Number of blades: 2 ... 16; Amplitude: LOW = 0 V, HIGH = 5 V