Mitsubishi PBV20N2 Service Manual page 212

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PBV20N2 PBV20N2
Figure 106. Feedback sensor Figure 106. Feedback sensor
15.11.4.1 Functionality 15.11.4.1 Functionality check
1. 1. Connect the Connect the supply voltage supply voltage +5 Vdc
(XP2/3) wires. (XP2/3) wires.
2. 2. Measure Measure the the supply supply voltage voltage between
The value should be +5 Vdc. The value should be +5 Vdc.
3. 3. Measure b Measure between th etween the negativ e negative (XP2/3) an
area. area.
When a supply is connected and the sensor axis is When a supply is connected and the sensor axis is rotated, the value varies
between 0.5 - 4.5 Vdc. When the value is increasing toward 4.5 Vdc, and the sensor between 0.5 - 4.5 Vdc. When the value is increasing toward 4.5 Vdc, and the sensor
axis is rotating more, the value returns to 0.5 Vdc. Also, when rotating to the axis is rotating more, the value returns to 0.5
direction, the value decreases. direction, the value decreases.
4. 4. If the If the values do values do not ma not match the
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Document ID: 615023 Document ID: 615023
check of of the the feedback feedback sensor
+5 Vdc between the between the supply (XP2/1) and
between the the wires. wires.
e (XP2/3) and output d output (XP2/2) wires o
Vdc. Also, when rotating to the other
tch the above, re above, replace the place the sensor.
Service Service Manual Manual
sensor
supply (XP2/1) and negative negative
(XP2/2) wires on the vo n the voltage
rotated, the value varies
sensor.
211 (244) 211 (244)
ltage
other