Pepperl+Fuchs ENI11HD Manual
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Pepperl+Fuchs ENI11HD Manual

Pepperl+Fuchs ENI11HD Manual

Heavy-duty incremental rotary encoder
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FACTORY AUTOMATION
MANUAL
ENI11HD
Heavy-Duty Incremental
Rotary Encoder

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Summary of Contents for Pepperl+Fuchs ENI11HD

  • Page 1 FACTORY AUTOMATION MANUAL ENI11HD Heavy-Duty Incremental Rotary Encoder...
  • Page 2 ENI11HD With regard to the supply of products, the current issue of the following document is applicable: The General Terms of Delivery for Products and Services of the Electrical Industry, published by the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the supplementary clause: "Expanded reservation...

  • Page 3: Table Of Contents

    ENI11HD Contents 1 Introduction................. 4 2 Declaration of conformity ..........5 3 Safety ................... 6 Used Symbols....................6 Intended Use ....................6 General Safety Information ................7 4 Product Description ............8 Use and Application ..................8 Included in Delivery..................9 5 Accessories ..............10 Accessories for Mounting, Dismounting and Connection ......10...

  • Page 4: Introduction

    ENI11HD Introduction Introduction Congratulations You have chosen a device manufactured by Pepperl+Fuchs. Pepperl+Fuchs develops, produces and distributes electronic sensors and interface modules for the market of automation technology on a worldwide scale. Contact If you have any questions about the device, its functions, or accessories, please...

  • Page 5: Declaration Of Conformity

    This product was developed and manufactured under observance of the applicable European standards and guidelines. Note! A Declaration of Conformity can be requested from the manufacturer. The product manufacturer, Pepperl+Fuchs GmbH, D-68307 Mannheim, has a certified quality assurance system that conforms to ISO 9001. ISO9001...

  • Page 6: Safety

    This symbol indicates a paragraph with instructions. Intended Use The ENI11HD incremental rotary encoder is used to record rotations though a direct mechanical coupling with a rotating drive shaft. Internally, the rotation is converted into a sequence of electrical pulses which are provided by the rotary encoder on several output channels.

  • Page 7: General Safety Information

    If serious faults occur, stop using the device. Secure the device against inadvertent operation. In the event of repairs, return the device to your local Pepperl+Fuchs representative or sales office. Additional documents relating to this device, such as the data sheet, declarations of conformity, certificates, etc.

  • Page 8: Product Description

    Product Description Use and Application The ENI11HD incremental rotary encoder records the rotation of a drive shaft and converts this internally into a sequence of pulses. Due to the nature of the code wheel, two pulse sequences that are phase-delayed by 90° are available on signal channels A and B.

  • Page 9: Included In Delivery

    High degree of protection: IP66/IP67 or IP69k. A high level of immunity to electromagnetic interference. This ensures a long service life. ENI11HD rotary encoders offer a high level of process safety and thus minimize the risk of failure. Handling of the electrical connection is very simple. The junction box, which can be rotated in 90°...

  • Page 10: Accessories

    ENI11HD Accessories Accessories Various accessories are available. Accessories for Mounting, Dismounting and Connection Illustration Model Number Description Support plate, straight, Support location 70 mm 70 mm from center of shaft Item no. 264125 Support plate, straight, Support location 120 mm...
  • Page 11 ENI11HD Accessories Illustration Model Number Description Insert set for cable duct Suitable for 4 mm to 13 mm cable diameter Item no. 256562 Grounding set Item no. 263647 Tapered shaft mounting set Item no. 264122 16 mm recessed hollow Item no. 264120...

  • Page 12: Installation

    ENI11HD Installation Installation Safety Information Danger! Risk of injury Injury due to unexpected startup of the drive shaft. Stop the drive before carrying out any work on the device. Secure the drive in an appropriate manner against unexpected restart, in particular against recommissioning by another person.

  • Page 13: Designations Of The Rotary Encoder Parts

    ENI11HD Installation Designations of the rotary encoder parts In the following diagram, you will find the designations of the most important components of the rotary encoder. To avoid misunderstandings, these designations will be used in the following sections. Figure 6.1...

  • Page 14: Assembling Hollow Shaft Rotary Encoders (General)

    ENI11HD Installation Assembling Hollow Shaft Rotary Encoders (General) Preventing Malfunctions Correct mounting of the rotary encoder on the drive shaft, as well as the torque rest, is required for the rotary encoder to function correctly. When assembling a hollow shaft rotary encoder, observe in particular the following points: Do not apply force when attaching the hollow shaft rotary encoder to the drive shaft.

  • Page 15: Preparation Of The Rotary Encoder For Shaft Mounting (All Types)

    ENI11HD Installation 6.3.1 Preparation of the Rotary Encoder for Shaft Mounting (All Types) The instructions show the preparatory steps using the example of a rotary encoder with continuous hollow shaft. Preparation is identical for all types of rotary encoders described here. Prepare the rotary encoder for shaft mounting as...
  • Page 16 ENI11HD Installation Assembling the Torque Rest Warning! Damage to the swivel head When assembling the extension arm, tighten the self-locking nut on the bolt that leads through the socket of the swivel head to a torque of 1 Nm ... 2 Nm. This will prevent the plastic socket of the swivel head from being crushed.
  • Page 17 ENI11HD Installation Figure 6.5 Mounting of the support plate and extension arm on the rotary encoder Item Description Rotary encoder Extension arm Support plate Washer for M6 (DIN 125A), 2 units M6 x 12 hexagon screw (DIN 933), 2 units...

  • Page 18: Shaft Mounting (Rotary Encoder With Continuous Hollow Shaft)

    ENI11HD Installation 6.3.2 Shaft Mounting (Rotary Encoder with Continuous Hollow Shaft) When assembling a rotary encoder with continuous hollow shaft, proceed as follows: 1. Loosen the screw on the shaft clamping ring of the rotary encoder. 2. Slide the rotary encoder onto the drive shaft.
  • Page 19 ENI11HD Installation Note! The mounting set included with the rotary encoder contains several mounting screws (M6 with hexagon socket, DIN912) in graduated lengths. Select the appropriate mounting screw depending on the length of the drive shaft. To determine the appropriate screw length see see Figure 6.6 on page 18.
  • Page 20 ENI11HD Installation 8. Secure the rotary encoder shaft with an open-end wrench (SW 27). Now turn the mounting screw into the thread on the face side of the drive shaft and tighten to a torque of 6 Nm. Figure 6.8...

  • Page 21: Shaft Mounting (Rotary Encoder With Tapered Shaft)

    ENI11HD Installation 6.3.4 Shaft Mounting (Rotary Encoder with Tapered Shaft) Note! Rotary encoders with tapered shaft do not have a shaft clamping ring. Mounting to the drive shaft is through a central mounting screw. The drive shaft must have an M6 threaded hole on the face side for this purpose.
  • Page 22 ENI11HD Installation 1. Loosen the rotary encoder cover (four loss-proof screws). The inserted O-ring must not become damaged or lost. Figure 6.10 Dismounting the rotary encoder cover Item Description Rotary encoder Rotary encoder cover 3 mm hexagon wrench Four M4 hexagon socket head screws (DIN 912), these are captive screws 2.
  • Page 23 ENI11HD Installation Figure 6.11 Assembling a rotary encoder with tapered shaft Item Description Drive Rotary encoder with tapered shaft Tapered drive shaft Tapered shaft Washer for M6 (DIN 125A) M6 x 30 hexagon socket head screw (DIN 912) 4 mm hexagon wrench Open-end wrench (SW 27) The rotary encoder is now bolted to the tapered drive shaft.

  • Page 24: Assembling The Extension Arm (All Types)

    ENI11HD Installation 6.3.5 Assembling the Extension Arm (All Types) Observe the general assembly instructions, see chapter 6.3. Warning! Damage to the swivel head When assembling the extension arm, tighten the self-locking nut on the bolt that leads through the socket of the swivel head to a torque of 1 Nm ... 2 Nm. This will prevent the plastic socket of the swivel head from being crushed.
  • Page 25 ENI11HD Installation 1. Turn the rotary encoder housing to the required position. Ensure that the cable gland or the connector plug on the connection box points downwards as far as possible. If necessary, the orientation of the connection box can be turned in 90°...
  • Page 26 ENI11HD Installation 6. Assemble the extension arm on the drive side. As the assembling element you can use either a M6 mounting screw or alternatively a M6 threaded rod. Assembling the Extension Arm with M6 Mounting Screw Figure 6.14 Recommended assembly of the extension arm, on the drive side when...
  • Page 27 ENI11HD Installation Assembling the Extension Arm with M6 Threaded Rod Figure 6.15 Recommended assembly of the extension arm, on the drive side when using a threaded rod Item Description M6 threaded rod Self-locking nut Washer for M6 (DIN 125A) Swivel head...

  • Page 28: Electrical Connection

    ENI11HD Installation Electrical Connection For your safety and for reliable operation, observe the following notes: Warning! Risk of short circuit Injuries and damage to the device are possible when working with live parts. Before working on the device, always disconnect the supply voltage.

  • Page 29: Junction Box With Cable Duct And Terminals

    ENI11HD Installation 6.4.2 Junction Box with Cable Duct and Terminals Note! Use a shielded connecting cable for the electrical connection. For the required conductor cross-section and diameter of the cable sheath, please see the technical data in the data sheet.
  • Page 30 ENI11HD Installation 1. Strip the connecting cable to a length of 70 mm ... 100 mm. 2. Strip 5 mm of insulation from the strands of the connecting cable and fit wire end ferrules to the wire ends. 3. Shorten the cable shield to a length of 20 mm.
  • Page 31 ENI11HD Installation 9. Loosen the four lock screws of the two screw terminals in the terminal compartment and remove the screw terminals from the sockets. Figure 6.19 Loosening the lock screws and removing the screw terminals 10. Now create the electrical connection between the connection strands of your cable and the removable screw terminals.

  • Page 32: Junction Box With Connecting Cable

    ENI11HD Installation Figure 6.21 The cover of the connection box can be mounted in four 90° increments 13. Screw down the cover of the connection box with four screws (torque 0.6 Nm). Finally, complete the electrical connection of the rotary encoder on the system side.

  • Page 33: Junction Box With Connector Plug

    ENI11HD Installation 3. Screw down the cover of the connection box with four screws (torque 0.6 Nm). The electrical connection of the rotary encoder is made in accordance with the following assignment table: Wire color Signal Description White Supply voltage (-)
  • Page 34 ENI11HD Installation Figure 6.23 The cover of the connection box can be mounted in four positions (4 x 90°) 3. Screw down the cover of the connection box with four screws (torque 0.6 Nm). Rotary encoders in this series can be ordered with a right-rotating or left-rotating plug.
  • Page 35 ENI11HD Installation The electrical connection of the rotary encoder is made in accordance with the following assignment table: Pin no. Pin no. Signal Description (plug right-rotating) (plug left-rotating) Supply voltage (-) Supply voltage (+) Signal A Signal B Inverted signal A...

  • Page 36: Dismounting, Storage, And Disposal

    ENI11HD Dismounting, Storage, and Disposal Dismounting, Storage, and Disposal Dismounting the Rotary Encoder Warning! Risk of injury To protect against injury when carrying out any work on the rotary encoder, observe the safety instructions, see chapter 6.1. When dismounting the rotary encoder, proceed in the reverse order to that described in section see chapter 6.3.
  • Page 37 ENI11HD Dismounting, Storage, and Disposal 5. Guide the threaded pin with the hexagon wrench through the central bore of the rotary encoder shaft and rotate it into the thread of the drive shaft on the face side. Figure 7.1 Preparation for dismounting...
  • Page 38 ENI11HD Dismounting, Storage, and Disposal ☺ Figure 7.2 Do not screw in the set screw fully! Item Description Threaded pin not fully screwed in (correct!) Threaded pin fully screwed in (wrong!) Jack screw (M8 x 70 hexagon socket head screw) 7.
  • Page 39 ENI11HD Dismounting, Storage, and Disposal Figure 7.3 Lifting off the rotary encoder Item Description Drive Rotary encoder Torque rest (already loosened from the drive) Rotary encoder shaft with flat area for open-end wrench Open-end wrench (SW 27) M8 x 70 jack screw (DIN 912) 6 mm hexagon wrench 9.

  • Page 40: Storage And Transportation

    ENI11HD Dismounting, Storage, and Disposal Storage and Transportation When packing the device for storage or transport, use materials that will protect the device from bumps and impacts and protect against moisture. The original packaging provides the best protection. Also take into account the permitted ambient conditions.
  • Page 41 ENI11HD Dismounting, Storage, and Disposal...
  • Page 42 ENI11HD Dismounting, Storage, and Disposal...
  • Page 44 Twinsburg, Ohio 44087 · USA Tel. +1 330 4253555 E-mail: sales@us.pepperl-fuchs.com Asia Pacific Headquarters Pepperl+Fuchs Pte Ltd. Company Registration No. 199003130E Singapore 139942 Tel. +65 67799091 E-mail: sales@sg.pepperl-fuchs.com www.pepperl-fuchs.com Subject to modifications Copyright PEPPERL+FUCHS • Printed in Germany xxxxxx TDOCT3604__GER 07/2014...

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