Flowserve Automax XCL UltraSwitch - Manual (Page 5)

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Automax XCL/XML Switch Box User Instructions FCD AXENIM0120-13-A4 02/15
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3.2 Cam Fine Adjustment
Some cams have a fine adjustment available. These cams will have
a small screw embedded into the side of the cam. Adjusting this
screw inward or outward will deform the cam, changing the trip point
slightly.
3.3 Adjusting UltraDome Position Indicator
UltraDome visual indicators are easily adjusted to match the dome’s
clear windows to the rotor’s colored sections. The dome is secured to
the UltraSwitch housing with screws mounted through slotted holes.
The slotted holes allow approximately 20° adjustment of the dome.
In addition, the dome can be completely removed and reoriented in
45° and 90° increments. The rotor may be reoriented with respect
to the shaft by removing the shaftcoupler and rotating 90° before
reinstalling. This may be necessary to obtain the correct orientation of
windows in a multi-way application.
3.4 Calibrating 4-20 mA Transmitter
Setting direct/reverse action: A dip-switch marked Dir/Rev on the
illustration below controls the direction of increasing travel. For 4 mA
in the full clockwise position, select “D,” for 4 mA in the full counter
clockwise position, select “R.”
Adjusting zero/span:
1. Attach a DC mA meter to +/- terminals.
2. Operate valve/switch box to position corresponding to 4 mA.
3. Adjust feedback board zero trim pot to yield 4 mA. (Turning CW
increases value, turning CCW decreases value.)
4. Operate valve/switch box to position corresponding to 20 mA
feedback.
5. Adjust feedback board span trim pot to yield 20 mA. (Turning CW
increases value, turning CCW decreases value.)
6. The zero and span adjustments are interactive. Repeat steps 1
through 5 as necessary.
NOTE: If transmitter adjustment gets difficult (i.e., trim pots do not
have desired effect) start over by “centering” the trim pots. This is
accomplished by turning in one direction for 20 turns and reversing
direction for 10 turns.
Null / Spanne Dir / Rev 4-20mA Transmitter
mA meter
6-30 VDC
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