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.
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.
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.).
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.
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 / •...
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 .
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.
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.
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.
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.
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.
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 •...
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...
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...
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...
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.
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).
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.
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...
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.
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...
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.
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...
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.
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...
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 –...
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.