Mitsubishi MR-508XL Dokumentacja Pobierz pdf (Strona 37)

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Bimba Position Control System

Position Feedback

Cylinders

Position Feedback

Cylinder Non-Contact

Position Feedback

Cylinder Rod Lock

Position Feedback

Cylinder Accessories

Position Feedback

Pneu-Turn

Position

Control System

Digital Panel Meter Electronic Controller

PFC/PCS/PTF

Application Checklist

Application Sizing

PTF Cylinder and PCS Valve System Matching and Sizing Recommendations

Single Rack Model

Double Rack Model

PTF Single Rack Models

Valve Sizing Recommendations

Bore Valve Rotation

Minimal

Deadband

Maximum

Torque

Average

Velocity

Minimum

Step

1-1/2" PCS-1 45° - 325°

28 mV 27 in.-lb. 150° per sec.

2 times

deadband

2" PCS-2 45° - 325°

28 mV 70 in. - lbs. 150° per sec.

2 times

deadband

PTF Double Rack Models

Valve Sizing Recommendations

Bore Valve Rotation

Minimal

Deadband

Maximum

Torque

Average

Velocity

Minimum

Step

1-1/2" PCS-2 45° - 325°

28 mV 55 in.-lb. 150° per sec.

2 times

deadband

2" PCS-3 45° - 325°

28 mV 135 in. - lbs. 150° per sec.

2 times

deadband

If your application requires lower velocities or payloads, you may be able to reduce the minimum recommended dead-

band setting, or if your deadband requirements can accommodate a large range, you may be able to increase your

payload higher than the recommended values.

**Testing was performed with an offset load in a vertical direction. Performance will improve with a balanced payload

and the plane of motion is horizontal.

Deadband voltage conversion to shaft displacement

• The following formula can be used to convert the deadband voltage to displacement:

w - 1/10V*t, where w - deadband width, V - voltage reading from the PCS, t - full scale travel of the actuator (Note: for

PTF rotary actuators with total rotation less than 180° always make t = 180)

Example: If the deadband is set for 30mV (0.03 of a volt) for a 180° actuator, the width of the deadband zone will be

1/10 * .028 * 180 = ± 0.50°.

Specification Comments

• PTF Feedback signal 0 to 10 VDC only.

• Bearing Loads - Maximum Axial and Radial loads are identical to the standard Pneu-Turn with the ball bearing option.

• Maximum Allowable Kinetic Energy is identical to the standard Pneu-Turn with Cushions.

• Refer to the PCS New Product Bulletin for additional PTF performance information.

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