GE Masoneilan SVI FF Quick Starter Manual page 10

Mounting the SVI FF on Rotary Valves
Travel Sensor Alignment
Table 2 shows the general guidelines for travel sensor alignment. Review the table prior to in-
stalling the SVI FF on a rotary valve actuator for proper alignment of the magnet. Alignment is
required for proper Hall sensor operation.
Rotary
Mounting
System
Rotary
General Rule for
other configura-
tions
10 | =GE Oil & Gas
Table 2: Travel Sensor Alignment
Stroke Direction
<60° Rotation
Clockwise or counter-
clockwise rotation
>60° Rotation
Clockwise with increas-
ing setpoint
>60° Rotation
Counter Clockwise rota-
tion with increasing set-
point
Any amount of rotation
Clockwise or counter-
clockwise
Magnet
Orientation Position
Closed (0%)
(0°)
Full Open
Full Closed
(-45°)
Full Open
Full Closed
(+45°)
50% Travel
(Mid-Stroke)
(0°)
© 2017 General Electric Company. All rights reserved
Valve Sensor Counts
(TB: RAW_POSITION)
0 +/- 1000
-8000 +/- 1500
or or
+8000 +/- 1500
-8000 +/- 1500
or or
+8000 +/- 1500
0 +/- 1000
.