Emerson Fisher 4320 Manual de instrucciones descargar pdf (Pagina 22)

Instruction Manual

D103621X012

4320 Position Monitor

April 2014

MOUNTING HOLES FOR

ROTARY NAMUR, M6

OPTIONAL

MOUNTING

HOLES

NOTE: ANY OF THE MOUNTING HOLES

MAY BE USED FOR LINEAR ACTUATORS

X0545

Figure 14. Housing and Mounting for Linear and

Quarter‐Turn Actuators

ON/OFF CONTROL OPTION

Figure 15. For Rotary‐Shaft Actuators (Typical

Mounting Bracket)

ROTARY

MOUNTING

BRACKET

X0572

ON/OFF

CONTROL

OPTION

Guidelines for Mounting on Quarter‐Turn (Rotary‐Shaft) Actuators

The 4320 wireless position monitor can be mounted to any quarter‐turn (rotary‐shaft) actuator, as well as those that

comply with the NAMUR guidelines. A mounting bracket and associated hardware are required. Refer to figure 15.

Before mounting, verify the rotary motion is 45 to 90 degrees of rotation.

1. Stroke the actuator to one end of its travel.

2. Attach the magnet assembly to the actuator shaft, as shown in figure 16. Position the magnet assembly 19.5 mm

(0.77 inch) away from the bottom base of the housing as measured from the base of the assembly to the base of the

housing. If the actuator is stroked all the way to the left or counterclockwise, attach the magnet assembly so it

points to the antenna (upper left corner of the instrument). If the actuator is stroked all the way to the right or

clockwise, attach the magnet assembly so it points to the upper right corner of the instrument. See figure 17.

Note

When the actuator is at its travel limits the magnetic array must always be at a 45 degree angle, regardless of the orientation of the

4320.

3. Install the mounting bracket on the actuator.

4. Attach the wireless position monitor to the mounting bracket using the 4 mounting bolts, as shown in figure 15.

5. Check for clearance between the magnet assembly and the positioner feedback slot.

6. Stroke the actuator and make sure that the magnet assembly is centered in the slot throughout the entire range of

rotation.

7. Once the instrument is mounted perform the local interface calibration procedure, as described on page 31. Verify

that the magnet assembly remains centered throughout the entire rotating range.

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