Electrically Released Brakes ERS VAR10 SZ 5000/5000
Contents
1. 4 1 4 2 5 1 5 2 ae ARWOWWWWHND Intermediate flange O rings Adjusting the airgap Adjusting the microswitch Electrical connection Important recommendations Connector Spare parts Tools Troubleshooting Thread M16 2 x 180 4 4 4 4 5 5 5 6 Dust cover option oes Transport Thread M10 Friction discs heel on screws customer s flange side Dust cover option Fig 1 Fig 2 Table 1 ERS VAR10 SZ 5000 5000 Nominal holding torque Nm 5200 Maximum speed min 120 Nominal airgap mm 0 5 0 1 Maximum airgap after wear mm 0 8 OEX voltage VDC 48 103 5 207 Holding voltage VDC 24 52 103 5 Resistance Q gt 101 Power OEX Watt 428 Power holding Watt 107 Cyclic duration factor ED 50 Weight kg 124 WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex SM366gb rev 01 06 2 6 damage the brake Symbol designating Symbol designating an l oF an action that might action that might be dan gerous to human safety Symbol designating an elec AN trical action that might be dangerous to human safety 2 Precautions and restrictions on use 2 1 Restrictions on use For the brake to comply with directive 95 16 EC the integrator must observe the general conditions for installations and use as defi ned in the EC type certifi cate ref ABV 604 1 of 12th Feb 20032. S R V E M A N U A L Warner Electric SM366gb rev 01 06 Electrically Released Brakes ERS VAR10 SZ 5000 5000 EC type certificate ABV 604 1 according drawing 1 12 106602 A AA WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex T l 33 0 2 41 21 24 24 Fax 33 0 2 41 21 24 00 www warnerelectric eu com Drawn up in St Barth lemy d Anjou July 2002 E PRAT General Managing Director and hereafter designated ERS VAR10 SZ 5000 5000 We WARNER ELECTRIC EUROPE 7 rue Champfleur B P 11095 F 49182 St Barth lemy d Anjou Cedex declare that the brakes made in our factories from St Barth lemy d Anjou Fully comply with directive 95 16 EC on Lifts and are intended for incorporation into an installation or for assembly with other equipment with the aim of constituting a machine subject to the application of directive 98 37 EC and the directive on Electromagnetic Compatibility 89 336 modified Compliance with the basic requirements of the Low Voltage Directive 73 23 modified is guaranteed by our full compliance with the following standards NFC 79300 and VDE 0580 8 65 CONTENTS 1 Technical specifications 2 Precautions and restrictions on use 2 1 Restrictions on use 2 2 Precautions and safety measures 3 Installation 3 1 Transport storage 3 2 Handling 3 3 Installation 4 Maintenance 1 Technical specifications Magnet a
3. braking the switching OFF and the switching ON must be connected on AC current side in order to obtain silent switching The connecting wires must be thick enough to help prevent sudden drops in voltage between the source and the brake Tolerances on the supply voltage at the brake terminals 5 10 NF C 79 300 WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex SM366gb rev 01 06 4 6 5 2 Connector Option The electrically released brake is connected to the system with a connector see Fig 5 Microswitch Thermistor 6 Spare parts Part Part number Friction disc BT 2 12 095202 Microswitch BT 7 67 000421 O rings Kit BT 2 12 095345 7 Tools Tools Function Airgap adjustment shims Airgap and microswitch adjustment Open jawed spanner 21 mm A F Airgap adjustment Torque wrench measurement range gt 140 Nm with hexagonal socket insert 10 mm A F Airgap adjustment Open jawed spanner 7 mm A F Microswitch adjustment Multimeter Voltage checking Hexagon wrench key 8 mm A F Transport screws WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex SM366gb rev 01 06 5 6 8 Troubleshooting and fault elimination Troubleshooting Fault Cause Remedy Brake does not release Brake does not brake e OEX voltage too low e Power supply is i
4. drawn up by the TUV Munich including the mandatory use of a speed limiting device in compliance with EN 81 1 paragraph 9 9 subpoint 9 10 10 ys This brake is designed to work in dry conditions Friction faces must be kept completely clean of any oil grease or abrasive dust 153 If maximum rotation speeds are exceeded the guarantee is no longer valid ys This brake may only be used in a horizontal 2 axis The customer must be careful not to alter the factory set airgap this is in order to ensure the brakes may be properly released D This brake is designed for a maximum ambient e temperature of 40 C coating class 155 C The maximum temperature in continual use is 100 C D This brake is designed for static applications e Any dynamic braking is restricted to emergency braking and test braking This brake can in no way replace the safety braking system used during lift descent 2 2 Precautions and safety measures During maintenance make sure that the mecha nism to be braked by the brake is stopped and that there is no risk of it accidentally starting up All inter vention have to be made by qualified personnel owning this manual Any modification made to the brake without the express authorisation of a representative of Warner Electric in the same way than any use out of the contrac tual specifications accepted by Warner El
5. ectric will result in the warranty being invalidated and Warner Electric will no longer be liable in any way with regard to conformity D When switching on DC side the coil must be 2 protected against voltage peaks 3 Installation 3 1 Transport storage This brake is delivered in standard packaging that will keep it intact for a period of 6 months during ground air or sea transport towards neighbouring continents without crossing the tropics 3 2 Handling 1 Avoid any impact to the brake so that its perform 2 ance is not impaired When handling use the handling holes M16 and M12 intended for this purpose See Fig 2 D Never lift the brake by its cables 3 3 Installation The brake is delivered pre assembled with pre set microswitches and airgaps Fixing screws the hub and the O rings are supplied separately fl iF Specifications for the customer s friction face e Material Steel 150 to 250 HV or cast iron Roughness lt Ra 3 2 Protection Phosphatizing dry or nitriding Geometric tolerances 1 Customer s shaft axis 1 o N0 e Tighten the 3 transport screws CHc M10 e Put the hub into position on the customer s shaft e Put the shock absorbing O rings onto the hub see Fig 1 Engage the front disc on the hub heel on the flange side see Fig 1 Caution When installing and should the brake ever be tak
6. en apart make sure that the friction disc heel is the right way round when the brake is put back together see Fig 1 e Engage the brake e Engage the rear disc on the hub heel on the flange side see Fig 1 WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex SM366gb rev 01 06 3 6 e Finish putting the brake into position e Tighten the 8 fixing screws CHc M12 Cs 130 Nm 10 star sequence tightening to an initial torque of 50 Nm NOTE Secure the fixing screws use a safety washer or thermoplastic liquid such as Loctite e Remove the 3 transport screws Fit the dust cover Make all the electrical connections 4 Maintenance 4 1 Adjusting the airgap Check the airgap at each maintenance inspection 5 Reminder This brake is intended for a static appli z cation as a safety brake Any dynamic braking is restricted to emergency and test braking Normal use will not lead to any noticeable wear on the lining If for any reason it should be necessary to adjust the air gap proceed as follows e Loosen the fixing screws slightly e Adjust the airgap Fig 3 using the adjusting screws hexagonal bar 21 flat until it slightly exceeds the nominal value see table 1 e Tighten the screws refer to point 3 3 Installation e Carry out a few successive draws and releases and check the airgap at several points e Repeat the process if necessary A
7. irgap Nominal 0 50 mm 0 10 Maximum 0 80 mm Adjusting screw SW21 Fig 3 4 2 Adjusting the microswitch Slide a wedge 0 15mm thick close to the screw between the front of the inductor and the mobile frame Switch on the current and tighten the adjusting screw H M4 7 flat in contact with the microswitch until you reach the com mutation point Check that it functions correctly by a few successive draws and releases Microswitch WA adjusting screw Ag Sy 2 Operation microswitch Current range 10 mA min to 100 mA max at 24 VDC Maximum electrical lifetime of the microswitch ensure only by switching under resistive load Black NC Brown Blue NO Microswitch connection When there is no current in the coils customer s shaft braked the microswitch contacts are in the NC position 5 Electrical connection Brake ERS VAR10 SZ 5000 5000 Warner Electric ope rates on a direct current supply Polarity does not affect the way the brake operates 5 1 Important recommendations A All works on the electrical connections have to be made with power off ys Make sure that the nominal supply voltage is 2 always maintained a lack of power results in a lower call distance Emergency braking for emergency braking the switching OFF must be connected on DC current side in order to obtain short engaging time of the brake Service braking for service
8. nterrupted e Airgap too large e Worn disc e Coil is damaged e Airgap too small e Overexcitation time too short e Voltage present at switch off position e Grease on friction faces e Adjust OEX voltage e Reconnect power supply check the adjustment of microswitch e Re adjust the airgap chapter 4 1 e Change disc and readjust the airgap e Replace the brake e Re adjust the airgap chapter 4 1 e Increase overexcitation time e Check the microswitch s adjustment and the customer s power supply e Clean the friction faces change the disc Nuisance braking e Holding voltage too low e Wrong information from microswitch e Adjust the holding voltage e Re adjust the microswitch WARNER ELECTRIC EUROPE Rue Champfleur B P 20095 F 49182 St Barth lemy d Anjou Cedex SM366gb rev 01 06 6 6
Download Pdf Manuals
Related Search