Reference
Modification-No.
- 0 -
Page
88
Date
1996 05 10
Install
914 F
19.4.13)Connection of the electric rev-counter
See Ill. 52/67.
Feeding wiring to electric rev-counter from the 36 pole receptacle of TCU.
➪ connections: flexible cable 0,75 mm
2
white No. 26*
flexible cable 0,75 mm
2
white No. 13*
* from the 36 plug receptacle of TCU without plug connection
➪ length approx. 1000 mm (40 in) from TCU.
◆ NOTE: BOMBARDIER-ROTAX developed especially for this application a
non-certified electric rev-counter. Certification to the latest require-
ments such as FAR or JAR has to be conducted by the aircraft
builder.
■ ATTENTION: The graphs depicting output signals have been determined and are
effective only at the following conditions.
ambient temperature: 20° C (68° F)
tolerance: ± 5%
The pick-up for the rev-counter generates one pulse per revolution. Pulse shape and
pulse voltage as per recordings (oscillogram).
1 revolution
360°
0
(+V)
(-V)
1
1
2
3
2
3
4
0
(+V)
(-V)
5
5
10
15
10
15
0
(+V)
(-V)
5
5
10
10
1 revolution
360°
1 revolution
360°
1 revolution
360°
0
(+V)
(-V)
50
50
100
100
150
speed 500 rpm (load 100 Ω)
speed 500 rpm (load 100 kΩ)
speed 6000 rpm (load 100 Ω) speed 6000 rpm (load 100 kΩ)
Ill. 67