rotork LA-2400 Series Instruction Manual
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rotork LA-2400 Series Instruction Manual

Linear actuators
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LA-2400
Series
Installation Manual
Linear Actuators
Redefining Flow Control

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Summary of Contents for rotork LA-2400 Series

  • Page 1 LA-2400 Series Installation Manual Linear Actuators Redefining Flow Control...

  • Page 2: Table Of Contents

    Instruction Manual IM-0443 LA-2400 Series Linear Actuator Table of Contents General Information ..........3-4 Introduction ............3 Receiving/Inspection ......... 3 Storage ............... 3 Equipment Return ..........3 Identification Label ..........4 Abbreviations Used in This Manual ....4 General Actuator Description ......4 Basic Models ............

  • Page 3: General Information

    Report all damage Read and save all instructions prior to installing, • immediately to the freight carrier and Rotork Controls operating and servicing this product. Unpack the product and information packet—taking care to save the shipping carton and any packing If you do not understand any of the instructions, •...

  • Page 4: Identification Label

    “switched” power inputs or by a remotely installed A or Amps Ampere servo-amplifier. Alternating Current The LA-2400 series is also available with an internal ° C Degrees Celsius servo-amplifier. They require 120 or 240 Vac (depend- Clockwise ing on model) unswitched, single phase line voltage...

  • Page 5: Product Specifications

    LA-2400 SERIES PRODUCT SPECIFICATIONS GENERAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS Speed / Thrust: Power Requirements: in. per sec. / lbf. Input Power Current (Amps) Model Model (mm per sec. / N) Volts/PH/Hz Stall LA-2410 LA-2410 120/1/50-60 0.1/800 0.2/800 0.4/200 0.7/200 LA-2415 240/480/3/50-60 0.4/0.2...

  • Page 6: Installation

    INSTALLATION WIRING MOUNTING Refer to installation dimensions on the installation print The wiring diagram on page 6 shows the fundamental sent with the actuator. The rear cover (opposite the connections for standard three-wire reversible single- ram) must have clearance so it can be removed for phase ac motor, standard permanent magnet dc motor, adjustments and interconnect wiring.

  • Page 7: Typical Wiring Diagrams

    TYPICAL WIRING DIAGRAMS ACTUATOR WITHOUT A BUILT-IN AMPLIFIER LA-2410, LA-2420 (120 Vac) LA-2440 (24 Vdc) LA-2450, LA-2490 (240 Vac) AC Power Applied to Terminals DC Power Applied to Terminals Actuator Action 1 & 2 1 & 3 1(+) & 2(-) 1(-) &...

  • Page 8: Typical Wiring Diagram

    TYPICAL WIRING DIAGRAM LA-2400 SERIES ACTUATORS WITH A BUILT-IN AD-8130 AMPLIFIER (120/240 Vac, Single Phase, 50-60 Hz) Due to wide variations in terminal numbering of actuator products, actual wiring should follow the print supplied with the actuator. Notes: 1. All references to actuator ram movement are as viewed facing the front clevis.

  • Page 9: Start-Up/Calibration

    START UP & CALIBRATION A. LIMIT SWITCH ADJUSTMENT PROCEDURE (see Figure 1) The limit switch assembly features up to four indepen- 1K ohm potentiometer dently adjustable position limit switches. The setting of one switch does not affect the setting of the other. Fiqure 1 Limit switch #1 (PL1) is set to stop the actuator at the actuator fully extended position.
  • Page 10 START UP & CALIBRATION A. POSITION FEEDBACK ALIGNMENT C. 4 to 20mA TRANSMITTER ADJUSTMENT (Potentiometer) The ST-4130 (1000 Ohm-input, 4 to 20mA output) two Position feedback is provided through the use of a wire transmitter modulates the current on a direct potentiometer attached to the limit switch assembly.

  • Page 11: Start-Up/Calibration For Units With Amplifier

    START UP & CALIBRATION FOR UNITS WITH AMPLIFIERS Switch and feedback device alignment is accomplished If the actuator does not run to the limit switch but stops in the same manner as actuator without amplifiers, short and both red lights are off on the amplifier board, except motor power is supplied from the amplifier.

  • Page 12: Amplifier Start-Up

    Amplifier Start-Up 1) Power. Before applying AC power to TB2 set slide 5) Transmitter. This adjustment sets the endpoints of the 4-20 mA transmitter to account for variations in switch to the correct voltage (120/240Vac) accuracy of the input command. A) Set command signal to low level, normally 4 mA.

  • Page 13: Amplifier Parts Identification

    Amplifier Parts Identification Amplifier DIP Switch Chart DIP Switch Configurations SW2 Switch Switch Position Function ON (Up) Current Command OFF (Down) 0-5V / 0-10V Voltage Command ON (Up) 0-5V Voltage Command OFF (Down) Current / 0-10V Command ON (Up) LOS Lock-in-Place OFF (Down) LOS Preset Position ON (Up)

  • Page 14: Typical Amplifier Wiring Diagram

    Typical Amplifier Wiring Diagram AD-8140 Due to wide variations in terminal numbering of actuator products, actual wiring should follow the print supplied with the unit. Troubleshooting For visual troubleshooting, LEDs are provided to display the status of the actuator. These are located on the same side of the lower board as SW1. The identification of these LEDs are shown in the table below.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE TROUBLE POSSIBLE CAUSE REMEDY a. No power to actuator a. Check source, fuses, wiring b. Motor overheated and internal thermal switch tripped b. Let motor cool and determine why overheating occurred (single phase AC motors only) (such as, excessive duty cycle or ambient temperature) c.
  • Page 16 TROUBLESHOOTING GUIDE TROUBLE POSSIBLE CAUSE REMEDY a. Thrust limit sw itch not properly w ired to control circuit a. Correct w iring per diagram b. Thrust limit sw itch collars loose or not properly adjusted b. Adjust and tighten collars as required c.

  • Page 17: Component Identification

    COMPONENT IDENTIFICATION 1. Actuator Housing 20. Feedback Assembly 2. Feedback Housing 21. Thrust Limit Switch (2) 3. Motor Cover 22. Motor Pinion 4. Feedback Cover 23. Power Idler Gear Assembly 5. Outer Tube 24. Feedback Idler Gear Assembly 6. Inner Tube Assembly 25.
  • Page 18 COMPONENT IDENTIFICATION DC Motor Side Feedback Side with Amp Feedback Side AC Motor Side (1 phase) 18. Motor 37. Housing Bolts 19. Motor Top (1 phase ac only) 38. Motor Cover Bolts 20. Feedback Assembly 39. Feedback Cover Bolts 21. Thrust Limit Switch Assembly 40.

  • Page 19: Maintenance, Gear And Drive Nut Selection

    MAINTENANCE Under normal service conditions, the motor, gearing, To Remove Multi-turn Feedback Assembly 20: bearings, and parts do not require periodic mainte- A. Separate housings. nance. If for any reason the unit is disassembled in the B. Loosen set screws 41 and remove gear 25. field, all Oilite bushings should be saturated with S.A.E.
  • Page 20 Single Turn Feedback Gearing & Drive Nut Selection Charts LA-2410, LA-2415, LA-2420, LA-2450, LA-2490 (0.1”/sec. & 0.4”/sec.); LA-2440 (0.2”/sec. & 0.6”/sec.) Stroke 1st Stage Gear 2nd Stage Gear Feedback Gear Drive Nut (3/4 - 10) 3" 65B-025344-004 16B-003803-133 61A-039553-003 4" 65B-025344-009 16B-003803-151 61A-039553-003...

  • Page 21: Parts List And Recommended Spares

    PARTS LIST Recommended Spare Parts Indicated in Bold Description Part Number Quantity Motor Housing - ac Units 60D-042926-002 Motor Housing - dc Units 60D-042926-003 Feedback Housing w/o Amp 60D-023767-001 Feedback Housing with Amp 60D-023767-001 Motor Cover 60C-016326-001 Feedback Cover w/o Amp 60C-016328-001 Feedback Cover with Amp 60C-016326-001...
  • Page 22 PARTS LIST Recommended Spare Parts Indicated in Bold Description Part Number Quantity Single Turn Feedback: Position Limit Switch, SPDT 46B-004053-405 Position Limit Switch, DPDT 46B-004053-414 1K Potentiometer 34B-0033104-001 1K/1K Potentiometer 34B-003956-160 Hall Effect Sensor 70B-039960-002 Multi Turn Feedback: Travel Nut 14B-008602-001 Position Limit Switch, SPDT 46B-004053-409...

  • Page 23: Installation Dimensions

    PARTS LIST Recommended Spare Parts Indicated in Bold Description Part Number Quantity Set Screw 54A-015037-019 Screw, Truss Head 54A-015032-025 Retaining Ring 58B-014185-162 Retaining Ring 58B-014183-050 AD-8140 Amplifier 68C-041180-001 Heater, 120 Vac 74A-016946-001 Heater, 240 Vac 74A-031965-001 Ground Screw 58B-024244-152 Thermoswitch 74A-023565-001 Drive Nut See Selection Chart...

  • Page 24: Major Dimensions

    LA-2400 MAJOR DIMENSIONS Stroke in. (mm) Without Amp With amp Without Amp With amp 2 (51) 16.16 4.01 13.1 15.73 3.81 6.44 to 6 (152) (410) (102) (333) (400) (97) (164) 6.01 (153) 22.61 10.01 13.1 15.73 3.81 6.44 to 12 (305) (574) (254) (333)
  • Page 25 Notes Redefining Flow Control...
  • Page 26 Notes...
  • Page 27 Notes Redefining Flow Control...
  • Page 28 As part of a process of on-going product development, Rotork reserves the right to amend and change specifications without prior notice. Published data may be subject to change. For the very latest version release, visit our website at www.rotork.com PUB045-003-00 The name Rotork is a registered trademark.

This manual is also suitable for:

La-2410La-2415La-2450La-2420La-2490La-2440

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