Logix
®
520MD+ and 510+ Digital Positioners FCD LGENIM0105-15-AQ – 05/16
20
5.4 Mounting to MaxFlo Rotary Valves
1. Slide the take-off arm onto the shaft. Insert the screw with star
washer through the take-off arm and add the second star washer
and nut. Tighten nut with socket so arm is lightly snug on the
shaft but still able to rotate. This will be tightened after linkage is
correctly oriented. Refer to figures Figure 13 through Figure 16.
Figure 13: MaxFlo Take-Off Arm
2. Attach the mounting plate to the positioner using 4 screws.
3. Attach follower arm to positioner feedback shaft.
Figure 14: MaxFlo Follower Arm
4. Rotate the follower arm so the take-off pin will slide into the slot
on the follower arm. Adjust the bracket position as needed noting
the engagement of the follower pin and the take-off arm slot. The
pin should extend approximately 2 mm past the take-off arm.
When properly adjusted, securely tighten the bracketing bolts.
Figure 15: MaxFlo Assembly
NOTE:
The feedback shaft has a clutch mechanism that allows
for over-rotation of the shaft for easy adjustments.
Figure 16: MaxFlo Connection
5. Connect regulated air supply to appropriate port in manifold. See
section 6 TUBING.
6. Connect the power to the 4-20 mA terminals. See section 7
ELECTRICAL CONNECTIONS.
7. Remove main cover and locate DIP switches and QUICK-CAL/
ACCEPT button.
8. Refer to sticker on main board cover and set DIP switches
accordingly. See section 8 STARTUP.