Related Manuals for SEW-Eurodrive DR.71-225
Summary of Contents for SEW-Eurodrive DR.71-225
- Page 1 Drive Technology \ Drive Automation \ System Integration \ Services Addendum to the Operating Instructions Safety-Rated Encoders Functional Safety for AC Motors DR.71-225, 315 Edition 03/2010 16908414 / EN...
- Page 2 SEW-EURODRIVE—Driving the world...
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Page 3: Table Of Contents
Encoder..................... 25 Encoder evaluation unit ................26 Work done, working air gap, braking torques of the BE.. brakes ....27 Declaration of Conformity ................28 Index........................29 Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 4: General Notes
Underlying standards for safety-rated encoders • Safety Integrity Level (SIL) according to IEC 61508 Safety class / standard • Performance level (PL) according to EN ISO 13849-1 Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 5: Structure Of The Safety Notes
This is the formal structure of an embedded safety note: • SIGNAL WORD Nature and source of hazard. Possible consequence(s) if disregarded. – Measure(s) to prevent the danger. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 6: Rights To Claim Under Limited Warranty
Rights to claim under limited warranty Compliance with the provisions in the "Safety-Rated Encoders – Functional Safety for AC Motors DR.71-225, 315" addendum to the operating instructions is a prerequisite for maintaining the guaranteed functional safety properties for this drive. -
Page 7: Safety Notes
Refer to the detailed operating instructions for additional information. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 8: Target Group
The content of the detailed operating instructions. In addition, for working with safety-rated brakes, observe the "Safety-Rated Brakes – Functional Safety for AC Motors DR.71-225, 315" addendum to the operating instruc- tions. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 9: Designated Use
There are higher requirements regarding the electrical and mechanical connection, e.g. the shielded twisted-pair connection lead with correct EMC-compliant wiring and the strict observance of the (dis)assembly, e.g. the observance of the tightening torques for the screws. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 10: Transport
Ensure that ventilation openings are not obstructed and that used air, including air from adjacent units, cannot be drawn in again straight away. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 11: Electrical Connection
Never deactivate protection devices, even in test mode. Switch off the motor if you are not sure. Regularly clean air ducts in dusty or dirty environments. 2.10 Inspection/maintenance Observe the notes in section "Inspection/Maintenance" (page 17). Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 12: Scope Of Delivery And Unit Design
, encoders or brakes, or other accessories, can be integrated in the AC motor as safety-relevant components either individually or in combination. SEW-EURODRIVE indicates such an integration by the FS mark and a number on the nameplate. The number is a code that indicates which components in the drive are safety-related. -
Page 13: Nameplate
The FS logo on the nameplate is based on the combination of safety-related compo- nents that is installed, see code table above. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 14: Mechanical Installation
The use of safety-rated components does not affect mechanical installation. Retrofitting a safe encoder To retrofit a safe encoder to an existing encoder mounting adapter from SEW-EURODRIVE, proceed according to section Inspection/Maintenance (page 17). Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 15: Electrical Installation
Else, the right to claim under warranty will become invalid. Note the information and explanations about correct wiring in the corresponding operat- ing instructions. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 16: Startup
1. Disassemble the encoder and, if applicable, the forced-cooling fan, see section "En- coder (dis)assembly (page 19)". 2. Proceed according to the operating instructions to change the blocking direction. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 17: Inspection/Maintenance
Let the motor cool down before you start your work. NOTICE For assembly, the ambient temperature and the oil seals themselves may not be colder than 0 °C, else the oil seals might be damaged. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 18: Functional Safety (Fs)
– The content of the present "Safety-Rated Encoders – Functional Safety for AC Motors DR.71-225, 315" addendum to the operating instructions. – The content of the detailed operating instructions. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 19: Dis)Assembling The Encoder
Pull the encoder [220] from the rotor bore. If the encoder is hard to loosen, you can loosen or counterhold the encoder shaft at the bore [F]. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... - Page 20 – You must tighten the retaining screws for the torque arm with the specified tightening torque. • Install the connection cover [619]. • Install the extended fan guard [361]. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors...
- Page 21 Connection cover Central retaining screw [35] Fan guard [657] Canopy [220] Encoder [706] Spacer bolt Nuts [232] Retaining screws for the [707] Hex head screws torque arm Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors...
- Page 22 • Install connection cover [619]. • Install the canopy [657] with the screws [707], or install the extended fan guard [361] with the screws [34]. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors...
- Page 23 For the exact values, refer to section Technical Data (page 27). The maintenance intervals have to be recalculated with the specified values. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors...
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Page 24: Technical Data
For corresponding fault presumptions, refer to the EN 61800-5-2 standard. The encoder eval- uation unit must at least meet the requirements for SIL 2. 2) Ambient temperature 45 °C Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 25: Encoder
1) Due to the stiffness of the torque arm, you have to take into account an automatically resetting ± 0,6 ° twist (depending on the direction of rotation) of the encoder housing compared to the encoder shaft. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 26: Encoder Evaluation Unit
DC 0.7 V to 1.4 V (peak-peak) 1) In the encoder evaluation unit, signals A, A, B and B must be high-resistance (> 1 kΩ) to the supply volt- age and 0 V. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 27: Work Done, Working Air Gap, Braking Torques Of The Be
800 (7081) 1) When checking the working air gap, note: Parallelism tolerances on the brake disk may cause deviations of ± 0.15 mm after a test run. Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 28: Declaration Of Conformity
Place Date Managing Director Technology a) b) a) Authorized representative for issuing this declaration on behalf of the manufacturer b) Authorized representative for compiling the technical documents Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... -
Page 29: Index
(Dis)assembly ............18 Structure of the section-related safety notes ..5 Transport ............10 Scope of delivery ...........12 Important notes ............4 Service..............18 Inspection...............17 Signal word, meaning ..........5 Motor..............23 Staff, qualified ............18 Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors... - Page 30 ES7S / EG7S .............25 Transport..............10 Unit design .............12 Use, designated ............9 Work done..............27 Working air gap ............27 Symbole (Dis)assembling the encoder .........19 AG7..............21 AS7..............19 EG7..............21 ES7..............19 (Dis)assembly ............18 Addendum to the Operating Instructions – Safety-Rated Encoders for DR.71-225, 315 AC Motors...
- Page 32 SEW-EURODRIVE—Driving the world SEW-EURODRIVE Driving the world SEW-EURODRIVE GmbH & Co KG P.O. Box 3023 D-76642 Bruchsal/Germany Phone +49 7251 75-0 Fax +49 7251 75-1970 sew@sew-eurodrive.com www.sew-eurodrive.com...
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