Manual
Manual 37223E
37223E
easYgen-3000
easYgen-3000 Series
Series (Package
(Package P1)
P1) -
- Genset
Genset Control
Control
Page
Page 46/67
46/67
©
© Woodward
Woodward
MPU (Pickup)
MPU (Pickup)
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Sensor
Sensor
to
to
Pickup
Pickup
input
input
Rotating shaft
Rotating shaft
Figure 6-38: MPU - princi
Figure 6-38: MPU - princi ple overview
ple overview
< 1,0 V
< 1,0 V
2
24
4 V
V
MPU input (pickup)
MPU input (pickup)
79
79
80
80
Shield
Shield
+
+
--
Figure 6-39: MPU input
Figure 6-39: MPU input
Terminal
Terminal
Description
Description
A
A
max
max
79
79
MPU
MPU input
input -
- inductive/switching
inductive/switching
2.5
2.5 mm²
mm²
80
80
MPU
MPU input
input -
- GND
GND
2.5
2.5 mm²
mm²
Table 6-25: MPU - terminal assignment
Table 6-25: MPU - terminal assignment
NOTE
NOTE
The shield of the MPU (Magnetic Pickup Unit)
The shield of the MPU (Magnetic Pickup Unit) connection cable must be connected to a
connection cable must be connected to a single point
single point
ground terminal near the easYgen. The shield must not be
ground terminal near the easYgen. The shield must not be connected at the MPU side of
connected at the MPU side of the cable.
the cable.
NOTE
NOTE
The number of teeth on the
The number of teeth on the flywheel reference gear and the flywheel speed must be configured so
flywheel reference gear and the flywheel speed must be configured so that
that
the magnetic pickup input frequency does not exceed 14kHz.
the magnetic pickup input frequency does not exceed 14kHz.
0
0
2000
2000
4000
4000
6000
6000
8000
8000
10000
10000
12000
12000
0
0,,1
1
1
1
1
10
0
1
10
00
0
[mVrms]
[mVrms]
[kHz]
[kHz]
Figure 6-40: Minimal necessary input voltage depending on frequency
Figure 6-40: Minimal necessary input voltage depending on frequency