ABB PME120-AI Service Instruction

Electrical rotary actuator
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A B B M E A S U R E M E N T & A N A L Y T I C S | S E R V I C E I N S T R U C T I O N | S E I / P M E 1 2 0 - E N R E V . A
PME120-AI / PME120-AN (Contrac)
Electrical rotary actuator
Introduction
PME120-AI
PME120-AN
Compact actuator for the operation of final
control elements with preferably 90° rotary
movement such as valve flaps, ball valves, etc.
The nominal torque is transferred through a lever
actuator. A special electronic unit controls the
actuator. The special electronic unit serves as the
interface between actuator and control system.
Electrical rotary actuator for the
operation of final control elements.
Additional Information
Additional documentation on PME120-AI / PME120-
AN (Contrac) is available for download free of charge
at www.abb.com/actuators.
Alternatively simply scan this code:
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Summary of Contents for ABB PME120-AI

  • Page 1 Additional Information PME120-AI PME120-AN Compact actuator for the operation of final Additional documentation on PME120-AI / PME120- control elements with preferably 90° rotary AN (Contrac) is available for download free of charge movement such as valve flaps, ball valves, etc.
  • Page 2: Table Of Contents

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Table of contents Exchange of position sensor ........23 Safety ................3 Dismounting ................23 General information and instructions ........3 PME120-AN (for separate electronic unit) ....23 Warnings ..................3 PME120-AI (with integrated electronic unit) ....
  • Page 3: Safety

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 1 Safety General information and instructions Warnings The warnings in these instructions are structured as follows: These instructions are an important part of the product and must be retained for future reference.
  • Page 4: Intended Use

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 1 Safety Intended use Warranty provisions Using the device in a manner that does not fall within the scope Control actuators are used exclusively for operating final control of its intended use, disregarding this manual, using elements (valves, valve flaps, etc.).
  • Page 5: Introduction

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 2 Introduction Safety and precautions When mounting the actuator in areas which may be accessed by unauthorized persons, take the required protective measures. • The actuators perform movements for positioning vanes and valves.
  • Page 6: Actuator Versions

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 3 Actuator versions 4 Lubrication Mounting position Electrical rotary actuators PME120 are available in two versions: • PME120-AI (with integrated electronic unit) The spur gearing of the actuator PME120 and RHD250 / •...
  • Page 7: Oil Change

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Oil change Note Proceed as follows to drain or change the oil: Oils for different temperature ranges may not mixed. 1. Provide a collecting vessel capable of holding the expected oil quantity in accordance with Filling volumes on page 7 .
  • Page 8: Maintenance

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 5 Maintenance Safety instructions Lever WARNING Lever removal Risk of injury due to live parts! Risk of death or serious injuries due to electricity and unexpected machine movements. In automatic mode the motor is always under power, even at standstill.
  • Page 9: Lever Installation

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Removal Lever installation 1. Pull the cotter pin out of the castle nut NOTICE 2. Screw-off the castle nut. Make sure that the shaft surface and the shaft bore in the 3.
  • Page 10: Sealing Ring Of Output Drive Shaft

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 5 Maintenance Sealing ring of output drive shaft A Drive pinion D Motor B Output shaft E Brake C Handwheel mechanism Figure 9: Sectional view of PME120...
  • Page 11 PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A In order to change the O-ring and sealing ring of the output drive shaft proceed as follows: 1. Remove lever or coupling from the output shaft. 2. Make sure that the oil level is below the O-ring 3.
  • Page 12: Motor

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 5 Maintenance Motor Motor shaft sealing ring PME120 uses an integrated motor. The stator is integrated into the actuator housing which makes the motor housing a part of Removal the actuator housing.
  • Page 13: Motor Installation

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Brake Brake adjustment Installation WARNING Risk of injury Note that the actuator position may be changed accidentally by the external load on the drive when the brake is released or the motor is removed.
  • Page 14: Electrical Connections

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 6 Electrical connections Actuator versions WARNING Risk of injury due to live parts! Electrical rotary actuators PME120 are available in two versions: Risk of death or serious injuries due to electricity and •...
  • Page 15: Removal Of Integrated Electronic Unit

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Removal of integrated electronic unit Covers A Screws B Cover or similar component Figure 21: Exemplary cover A Electronic unit Terminal covers and other components at the Contrac actuators...
  • Page 16: Integrated Pme120-Ai Electronic Unit

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 6 Electrical connections Integrated PME120-AI Electronic unit Analog / Digital Note The electrical connection is established via a universal plug on the actuator. BE = digital input BA = digital output...
  • Page 17: Profibus Dp

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A PROFIBUS DP® Note The electrical connection is established via a universal plug on the actuator. DO = digital output Figure 23: Control via fieldbus PROFIBUS DP® (PME120-AI, LME620-AI) Note...
  • Page 18: Electronic Unit Ean823 (Contrac) For Pme120-An

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 6 Electrical connections Electronic unit EAN823 (Contrac) for PME120-AN Analog / Digital Note • The electrical connection is provided by a universal plug on the actuator and the screw terminals on the electronic unit.
  • Page 19: Profibus Dp

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A PROFIBUS DP® Note • The electrical connection is provided by a universal plug on the actuator and the screw terminals on the electronic unit. • If you are using a separate heat supply, the heater must be protected with a 2 to 6 A medium time-lag fuse (e.g. NEOZED D01 E14).
  • Page 20: Electronic Unit Eas822 (Contrac) For Pme120-An

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 6 Electrical connections Electronic unit EAS822 (Contrac) for PME120-AN Analog / Digital Note • The electrical connection is provided by a universal plug on the actuator and the screw terminals on the electronic unit.
  • Page 21: Fuses

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Fuses Type Fuse Installation location Rated current of fuse Design at 115 V AC at 230 V AC Integrated External fuse External 16 A, slow — Mains fuse Main pcb 6.7 A, slow...
  • Page 22: Fuse Location

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 6 Electrical connections … Fuses Fuse location EAS822 Integrated electronic unit (PME120-AI) 1 Digital output fuses 2 Mains fuse Figure 29: Fuse location EAS822 1 Main pcb 4 Fuse for analog setpoint input...
  • Page 23: Exchange Of Position Sensor

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 7 Exchange of position sensor Dismounting PME120-AI (with integrated electronic unit) 1. Drive actuator into 50 % position. 2. Delete the current position settings by pressing the drive buttons on the LCP for at least 5 sec.
  • Page 24: Mounting

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 7 Exchange of position sensor Mounting Figure 34: Position sensor / Mounting position (example shows PME120-AN) The toothed gear pair of the position sensor is held in place by a...
  • Page 25: Electrical Test Values

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 8 Electrical test values Test values (position sensor) DANGER Danger to life due to unexpected movement of the actuator! Unexpected movement of the actuator may lead to very serious injuries or to death.
  • Page 26: Test Values (Brake And Motor)

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 8 Electrical test values Test values (Brake and Motor) Brake voltage PME120-AN (separate electronic unit) DC 135 V with AC 115/AC230 V mains supply. 1. Remove plug. 2. Measure between pins at actuator plug, see Electronic unit...
  • Page 27: Failure Detection

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A 10 Troubleshooting 9 Failure detection LED signals at commissioning and service NOTICE field Check wiring, polarity and all plug and terminal connections Provided the electronic unit is supplied with voltage (green LED before you start detailed trouble shooting.
  • Page 28: General

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 10 Troubleshooting General Figure 38: General...
  • Page 29: Failures At Brake, Fuse Or Wiring

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Failures at brake, fuse or wiring Figure 39: Failures at brake, fuse or wiring...
  • Page 30: Operation Mode (Man / Aut)

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 10 Troubleshooting Operation mode (MAN / AUT) Figure 40: Operation mode (MAN / AUT)
  • Page 31: Input Configuration

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Input configuration Figure 41: Input configuration...
  • Page 32: Operation Behind Step Controller

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 10 Troubleshooting Operation behind step controller Figure 42: Operation behind step controller...
  • Page 33: Failure Diagram

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A Failure Diagram Figure 43: Failure Diagram...
  • Page 34: Failure Due To Response Of Positioning Loop Monitoring

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A … 10 Troubleshooting Failure due to response of positioning loop monitoring Figure 44: Failure due to response of positioning loop monitoring General Actuator runs with creeping speed in one or both end positions –...
  • Page 35: User Interface Menus

    PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A User interface menus Figure 45: Troubleshooting related menus in the user interface (digitally manipulated screen shot) The following table represents the first 2 menu levels (see also Figure 45 on page 35) of the graphical user interface as far as the troubleshooting is concerned.
  • Page 36 We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.

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