Related Manuals for Lenze 8250 Series
Summary of Contents for Lenze 8250 Series
- Page 1 Show/Hide Bookmarks EDB8250EN !PM8 Operating Instructions (T1) (T2) -UG +UG RB1 RB2 PE Brake unit 8250 series...
- Page 2 Show/Hide Bookmarks These Operating Instructions are valid for brake units with the following nameplate data: 825X E. 0x (8251 - 8253) In connection with the unit series as from the nameplate data: 820X E. 0x. 0x. (8201 - 8204) 821X E.
- Page 3 Show/Hide Bookmarks Pos. Name/ Note Meaning Brake unit D 8251/8252 brake module D 8253 brake chopper Display of the operating state D green: flashing, when voltage is applied to terminals +U , -U D yellow: - flashing, when brake unit is in braking operation - Display of faults: see chapter 6, page 6-1...
- Page 4 Show/Hide Bookmarks Safety and application notes for controllers (according to: Low-Voltage Directive 73/23/EEC) 1. General During operation, drive controllers may have, according to their type of protection, live, bare, in some cases also movable or rotating parts as well as hot surfaces. Unauthorized removal of the required cover, inappropriate use, incorrect installation or operation, creates the risk of severe personal injury or damage to material assets.
- Page 5 Show/Hide Bookmarks 4. Erection The devices must erected and cooled according to the regulations of the corresponding documentation. The drive controllers must be protected from inappropriate loads. Particularly during transport and handling, components must not be bent and/or isolating distances must not be changed.
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Page 6: Table Of Contents
Show/Hide Bookmarks Contents 1 Preface and general information ....1.1 About these Operating Instructions ......1.1.1 Terminology used . - Page 7 Show/Hide Bookmarks Contents 5 Commissioning ......6 Troubleshooting and fault elimination .
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Page 8: Preface And General Information
Controller In the following text, the term ”controller” is used for ”82XX frequency inverter”. Drive system For drive systems with 825X brake units and other Lenze drive components, the term ”drive system” is used in the following text. 1.1.2 What is new? Material No. -
Page 9: Scope Of Delivery
• After reception of the delivery, check immediately whether the scope of supply matches the accompanying papers. Lenze does not accept any liability for deficiencies claimed subsequently. Claim - visible transport damage immediately to the forwarder. - visible deficiencies/incompleteness immediately to your Lenze representative. -
Page 10: Application As Directed
Preface and general information 1.3.2 Application as directed 8251 brake modules • Additional units for Lenze controllers: - 820X frequency inverters (8201 to 8204) 8252 brake modules and 8253 brake choppers • Additional units for Lenze controllers: - 821X frequency inverters (8211 to 8218) 825X brake units •... -
Page 11: Legal Regulations
- Operating mistakes - Improper working on and with the brake units Warranty • Terms of warranty: see terms of sale and delivery of Lenze Drive Systems GmbH. • Warranty claims must be made to Lenze immediately after detecting the deficiency or fault. -
Page 12: Safety Information
Show/Hide Bookmarks Safety information 2 Safety information 2.1 Personnel responsible for safety Operator • An operator is any natural or legal person who uses the drive system or on behalf of whom the drive system is used. • The operator or his safety officer are obliged - to check whether all relevant regulations, notes, and laws are observed. -
Page 13: General Safety Information
- Electrical or non-electrical protection (latching or mechanical blocking) - Measures covering the complete system • Operate the drive system only in a perfect condition. • Changes or retrofittings to the brake unit are prohibited in principle. In any case, Lenze must be contacted. 8250BA0903... -
Page 14: Layout Of The Safety Information
Show/Hide Bookmarks Safety information 2.3 Layout of the safety information • All safety information in these Operating Instructions has a uniform layout: Danger Note - The icon designates the type of danger. - The signal word designates the severity of danger. - The note describes the danger and suggests how to avoid the danger. -
Page 15: Residual Hazards
Show/Hide Bookmarks Safety information 2.4 Residual hazards Protection of persons After mains voltage disconnection the power terminals , -U remain live for 3 minutes. Brake units may have surface temperatures of up to 130°C for up to 30 minutes after mains disconnection. Touching the brake unit may cause burns. -
Page 16: Technical Data
Show/Hide Bookmarks Technical Data 3 Technical data 3.1 Features • Three types: - 8251 brake module with internal brake resistor for frequent braking operations with low load or infrequent braking with medium load for operation with 820X frequency inverter - 8252 brake module with internal brake resistor for frequent braking operations with low load or infrequent braking with medium load for operation with 8211- 8213 frequency inverters... -
Page 17: General Data /Operating Conditions
Show/Hide Bookmarks Technical Data 3.2 General data / operating conditions Field Values Vibration resistance Germanischer Lloyd, general conditions (in preparation) Permissible moisture Humidity class F without condensation (medium relative humidity 85 %) Permissible temperature ranges during transport : -25 ° C ¼ +70 ° C -25 °... -
Page 18: Rated Data
3.3.2 Assignment table for brake resistors The assignment depends on the motor power and is effective up to the indicated limit value. Motor power oto po e Recommended Lenze brake resistor Order no. Resistor Peak braking power Thermal capacity Ω... -
Page 19: Overcurrent Relay And Cable Cross-Sections
Show/Hide Bookmarks Technical Data 3.3.3 Overcurrent relay and cable cross-sections With a cable cross section of the feeding inverter of > 2.5 mm the cable can be protected via overcurrent relay. The cable cross-sections used must meet the valid regulations. We recommend: Type Input +UG, -UG... -
Page 20: Installation
Show/Hide Bookmarks Installation 4 Installation 4.1 Mechanical installation 4.1.1 Important notes • Use the brake units only as built-in devices! • Observe free space! - Allow a free space of 100 mm at the top and at the bottom. • Ensure unimpeded ventilation of cooling air and outlet of exhaust air. -
Page 21: Standard Assembly With Fixing Rail
Show/Hide Bookmarks Installation Possible mounting positions • In vertical position at the backside of the control cabinet. - terminal strip at the bottom - assembled on attached fixing rail (see chapter 4.1.2) or DIN rail (see chapter 4.1.3) 4.1.2 Standard assembly with fixing rail (T1) (T2) -UG +UG RB1 RB2 PE Fig. -
Page 22: Din-Rail Assembly
Show/Hide Bookmarks Installation 4.1.3 DIN-rail assembly (T1) (T2) -UG +UG RB1 RB2 PE Fig. 4-2 Dimensions for DIN-rail assembly Assembly with one DIN rail (in the middle) or with 2 DIN rails (top/bottom) possible. Type 8251 8252 8253 8250BA0903... -
Page 23: Electrical Installation
Show/Hide Bookmarks Installation 4.2 Electrical installation 4.2.1 Operator’s safety Danger! After switching off the mains voltage, all power terminals (+U and RB1, RB2) of the brake unit remain live for up to 3 minutes. Therefore please wait for 3 minutes after having switched off the mains voltage before you start to work. -
Page 24: Protection Of The Brake Unit
Show/Hide Bookmarks Installation 4.2.2 Protection of the brake unit Stop! The brake units contain electrostatically sensitive components. • Prior to assembly and service operations, the personnel must be free of electrostatic charge: - They can discharge themselves by touching the PE fixing screw or another grounded metal part in the control cabinet. -
Page 25: Connection
Show/Hide Bookmarks Installation 4.3 Connection 4.3.1 Power connection • All indications about cable cross-sections are recommendations and refer to the application: - in control cabinets and machines - in cable ducts - at a max. ambient temperature +40 °C • The compliance with other standards (e.g.: VDE 0113, VDE 0289, etc.) remains the responsibility of the user. -
Page 26: 8251 Brake Module On 820X Controller
Show/Hide Bookmarks Installation 4.3.2 8251 brake module on 820X controller +UG -UG T1 T2 8201 - 8204 8251 U V W 28 E1 Fig. 4-3 Connection of 8251 brake module to 820X controller Brake module Controller Mains choke K10: Mains contactor Mains fuse (recommended) 8250BA0903... -
Page 27: 8252 Brake Module On 821X Controller
Show/Hide Bookmarks Installation 4.3.3 8252 brake module on 821X controller F1...F3 L1 L2 +UG -UG T1 T2 8211 - 8213 8252 U V W 28 E1 Fig. 4-4 Connection of 8252 brake module to 821X controller Brake module Controller Mains choke K10: Mains contactor F1 ... -
Page 28: 8253 Brake Chopper On 821X Controller
Show/Hide Bookmarks Installation 4.3.4 8253 brake chopper on 821X controller F1...F3 L1 L2 +UG -UG 8211 - 8218 8253 U V W 28 E1 Fig. 4-5 Connection of 8253 brake chopper to 821X controller Brake chopper Controller Mains choke Brake resistor K10: Mains contactor F1 ... -
Page 29: Connect Temperature Monitoring
Show/Hide Bookmarks Installation 4.3.5 Connect temperature monitoring Danger! The temperature monitoring is required to ensure safe switch-off in the event of a failure. Use the thermostats of the brake resistors to • separate the controller from the mains if the temperature monitoring is activated •... -
Page 30: Commissioning
Show/Hide Bookmarks Commissioning 5 Commissioning Stop! If the connections +U and -U are reserved, the brake units and all connected components can be destroyed. It is therefore absolutely necessary to check the correct connection of the terminals before switching on the unit. The two LEDs at the brake unit indicate the operating state: •... - Page 31 Show/Hide Bookmarks Commissioning 8250BA0903...
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Page 32: Troubleshooting And Fault Elimination
Show/Hide Bookmarks Troubleshooting and fault elimination 6 Troubleshooting and fault elimination Fault Cause Remedy Green LED is not illuminated No voltage at terminals +U , -U • Switch on the mains • Connect the brake unit to the terminals +U , -U of the controller... - Page 33 Show/Hide Bookmarks Troubleshooting and fault elimination 8250BA0903...
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Page 34: Waste Disposal
Show/Hide Bookmarks Waste disposal 7 Waste disposal The brake unit consists of different materials. The following table indicates which materials must be recycled and which require separate disposal. Material recycle dispose Metal Plastic Printed-board assemblies Operating Instructions 8250BA0903... - Page 35 Show/Hide Bookmarks Waste disposal 8250BA0903...
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Page 36: Supplement
Show/Hide Bookmarks Appendix 8 Supplement 8.1 Accessories 8.1.1 Brake resistors Fig. 8-1 Brake modules with integrated temperature monitoring Resistance Order no. Rated power Ω ERBM470R100W ERBM370R150W ERBM240R200W 8250BA0903... - Page 37 Show/Hide Bookmarks Appendix Fig. 8-2 Grid protected wire resistors Brake resistor Dimensions Resistance Order no. Ω ERBD180R300W ERBD100R600W ERBD082R600W ERBD068R800W ERBD047R01K2 8250BA0903...
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Page 38: Glossary
Show/Hide Bookmarks Appendix 8.2 Glossary Term Meaning Controller General name for servo drives (93XX), frequency inverters (82XX, 86XX) and DC drives (48XX, 49XX) Icon Sign or symbol with an unambiguous message. Pulse inhibit Peak brake power Maximum power which can be converted into heat by a resistor PTC thermistor (PTC: positive temperature coefficient) Brake resistor Residual hazards... -
Page 39: Index
Show/Hide Bookmarks Appendix 8.3 Index Legal regulations, 1-4 Accessories, 8-1 Liability, 1-4 List of special terms. See Glossary Brake resistors, 8-1 Material, 7-1 Brake unit, 1-1, 1-2 Operating conditions, 3-2 Operator, 2-1 Cable specification, 4-5 Commissioning, 5-1 Connection, 4-6 Personnel, qualified, 2-1 Controller, 1-1 Application as directed, 1-3 Labelling, 1-2...
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