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OPERATING MANUAL for

BRAKE UNITS

JB10/... JB16/... JB26/... JB40/... JB52/...

(Installation set)

JB

7 of 19

01.96/00/Scho

7 INSTALLATION

7.1 CONSTRUCTION

The major components of JB brake units are as follows:

6

6

5

4

1

2

PE

6

6

3

7

8

4 2

6

6

5

7

3

JB10/...E000

JB16/...E000

JB26/...E000

JB40/...E000
JB52/...E000

PE

Zeit

Strom

Zeit

Strom

8

1. Perspex cover
2.  9-pole connecting terminal X1 for control signals
3.  3-pole connecting terminal X2 for power signals
4.  Heatsink with thyristor
5. Rating plate
6. Mounting holes
7.  PE connection screw
8. Control board

7.2

NOTES ON INSTALLATION

Cooling:

The JB brake unit is
cooled by natural con-
vection. In order to
guarantee an adequate
air flow, the equipment
must be mounted up-
right and the minimum
distances shown in the
adjacent illustration ob-
served. The cooling air
must be as clean as
possible and free of ag-
gressive substances.

Should the cooling air
contain dust, the cooled
areas must be cleaned regularly.

JB -

Brake

100 mm

100 mm

unit

50

mm

50

mm

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6
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Содержание JB10 Series

Страница 1: ...OPERATING MANUAL for BRAKE UNITS JB10 JB16 JB26 JB40 JB52 Installation set JB 1 of 19 01 96 00 Scho JB JÖST GmbH Co KG P O Box 1253 D 48233 Dülmen Buldern Tel 0 25 90 98 0 Fax 0 25 90 98 101 Telex 89888 ...

Страница 2: ...TH TERMINAL OF THE HEAT SINK DANGEROUS VOLTAGE MAY ALSO BE PRESENT EVEN WHEN THE JB BRAKE UNIT IS SWITCHED OFF BEFORE STARTING WORK CHECK THAT THE JB BRAKE UNIT IS ISOLATED BY CHECKING THE CONNECTING TERMINALS WITH A VOLTMETER Warning symbols For your own safety please pay particular attention to the instructions marked with the following symbols Danger High voltage General warning THE ELECTRICAL ...

Страница 3: ...th standard IEC 947 4 2 for category B public mains and are within the published electro magnetic compatibility EMC limits The limits for emissions under the European standard do not preclude interference with receivers within 10 m Installation of JB brake units must be carried out by staff trained in EMC The JB brake unit meets the requirements of the following standards or equivalent documents 1...

Страница 4: ... 8 3 ADJUSTMENT ELEMENTS 9 8 4 MOTOR CONTROL SYSTEM AND BRAKE UNIT 9 8 5 OVERHEATING PROTECTION ONLY JB26 JB40 JB52 9 9 COMMISSIONING 9 9 1 CHECKS BEFORE SWITCHING ON THE MAINS VOLTAGE 9 9 2 INTERLOCKING TEST WITHOUT BRAKING CURRENT 10 9 3 SETTING THE BRAKING CURRENT IBR 11 10 MAINTENANCE 11 11 FAULT FINDING 12 12 APPENDIX 13 12 1 TECHNICAL DATA 13 12 2 TYPE KEY 15 12 3 DIMENSIONS 15 12 4 LINE REA...

Страница 5: ...ot cover defects caused by misuse or incorrect use of the brake unit The manual is divided into individual sections in accordance with the table of contents Section 1 Electrical Safety and Section 2 Notes on EMC legislation must be read before working with the brake unit It is essential that the user familiarieses himself with the manual before using the drive equipment or before carrying out adju...

Страница 6: ...ing contactor until the motor has been switched off Said direct current creates a static magnetic field which counters the rotary movement of the rotor Automatic detection of standstill ends the braking process Stator windings are connected in series through the braking contactor if more than one motor is to be braked see connection diagram in the appendix Operating sequence One motor application ...

Страница 7: ...ole connecting terminal X2 for power signals 4 Heatsink with thyristor 5 Rating plate 6 Mounting holes 7 PE connection screw 8 Control board 7 2 NOTES ON INSTALLATION Cooling The JB brake unit is cooled by natural con vection In order to guarantee an adequate air flow the equipment must be mounted up right and the minimum distances shown in the adjacent illustration ob served The cooling air must ...

Страница 8: ...l free make contact for actuating the brake contactor 6 7 Input motor on Connection for the potential free auxiliary contact of the motor contactor n2 n4 Potential free break contact for actuating the motor contactor n1 Standstill detector input PE Protective earth conductor connection The other terminals must not be connected Cross section of connectable cable 9 pole terminal strip X1 max 1 5 mm2...

Страница 9: ...ctor During switching the braking contactor on and off no current passes through the main contacts In the case of machines with two or more drives each motor must be connected to the mains through its own motor contactor Failure to observe this requirement will result in short circuiting of the brake unit Do not open the brake contactor during braking Do not operate the brake contactor by hand Fai...

Страница 10: ...als a b The motor s must be connected correctly 8 No short circuits or short circuits to earth may be present 9 Measures must be taken to ensure compatibility with EMC legislation see Section 2 10 The braking contactor K1 and the motor contactor K2 and K3 must be electrically interlocked See connection diagram in the appendix 9 2 INTERLOCKING TEST WITHOUT BRAKING CURRENT Remove the motor fuses or ...

Страница 11: ...ill now be present at the JB brake unit Start the motor and let it warm up LEDs P and M must light Switch off the motor LED M will go out LED B will light The braking contactor will pick up Braking has commenced Increase the braking current from zero until the motor is distinctly braked by turning trimming potentiometer I slowly in a clockwise direction Ensure that the maximum braking current of t...

Страница 12: ...52 Installation set JB 12 of 19 01 96 00 Scho 11 FAULT FINDING Please make a note of the following details before reporting a defect to our service department type of the braking unit see rating plate braking unit number see rating plate defects established ...

Страница 13: ... 16 JB 16 16 60 25 JB 26 26 100 50 JB 40 40 160 63 JB 52 52 200 80 Choose fuse max 1 5x IN aggregate motor nom current Braking time adjusted automatically by stand still monitoring at terminal X1 n1 Subsequent braking time of 0 20 sec by trimming pot T Braking contactor same capacitiy as motor contac tor On duty time 10 Indicating lights 4 x LED JB10 JB16 5 x LED and bar display with JB26 JB40 JB5...

Страница 14: ...tion set JB 14 of 19 01 96 00 Scho Operating temperature 0 C to 40 C Storage and transport temp 10 C to 85 C Installation position vertical Weight 1 3 kg JB10 JB16 7 5 kg JB26 JB40 JB52 Dimensions 158 x 185 x 110 mm for JB10 JB16 145 x 270 x 180 mm for JB26 JB40 JB52 ...

Страница 15: ...p as follows Execution E000 separately mounted unit G000 Motor braking unit in an enclosure Nominal mains voltage V 230 400 500 690 perm max aggregate motor nom current IN A 10 16 26 40 52 Control system type 12 3 DIMENSIONS a c e d b JB10 JB16 JB26 JB40 JB52 110 180 158 185 137 144 4 5 JB10 16 JB26 40 52 a b c d e 145 270 130 215 6 0 Depth type All dimensions in mm JB10 400 E000 ...

Страница 16: ...mp 8 This line reactor is delivered loose With the types JB26 40 52 the line reactor is already built in the unit HINWEIS Brake unit typ JB10 all Mains voltage and JB16 230V und 400V mains voltage do not need a serial line reactor Zuordnungstabelle JB Typ Netzdrossel Netzdrossel JB Type Type Dimensions B x H x T mm Drilling mass b x h mm Bore hole mm Weight kg JB16 500 KS 0 075 90x75x110 47x57 4 1...

Страница 17: ...GRAMM example for 1 motor VIBRATOR M 3 U V W PE M1 1 2 3 4 5 6 K2 JB E000 a 8 3 n2 6 a b 4 n4 n1 7 PE G1 A1 A2 K1 A1 A2 K2 13 14 1 3 5 2 4 6 Q1 F1 F2 2A F3 K1 K2 S1 K2 K2 K1 S2 13 14 Q1 F4 L N L1 L2 L3 1 2 3 4 5 6 K1 BRAKING M1 MOTOR EXAMPLE FOR CONTROL CIRCUIT WITH PLC PLC I O A1 A2 K2 K1 K2 13 14 Q1 3 n2 6 4 n4 7 G1 0 ...

Страница 18: ...1 2 3 4 5 6 K2 1 2 3 4 5 6 K3 M 3 U V W PE M2 VIBRATOR JB E000 a 8 3 n2 6 a b 4 n4 n1 7 PE G1 A1 A2 K1 A1 A2 K2 A1 A2 K3 13 14 13 14 1 3 5 2 4 6 Q1 1 3 5 2 4 6 Q2 F1 F2 2A F3 1 2 K1 3 4 5 6 K1 K2 K3 S1 K2 K3 K2 K3 K1 S2 13 14 Q1 13 14 Q2 F4 L N L1 L2 L3 BRAKING MOTORS M1 M2 0 EXAMPLE FOR CONTROL CIRCUIT WITH PLC PLC I O 13 14 Q2 A1 A2 K2 A1 A2 K3 K1 K2 K3 3 n2 6 4 n4 7 G1 ...

Страница 19: ...F2 F1 a 8 3 n2 6 a b 4 n4 n1 7 PE G1 1 3 5 2 4 6 Q2 13 14 Vibrator M 3 U V W PE M2 1 2 3 4 5 6 K3 1 3 5 2 4 6 Q1 13 14 1 2 3 4 5 6 K2 M 3 U V W PE M1 Vibrator 1 2 3 4 5 6 K1a 1 2 3 4 5 6 K1b 2A F3 S2 K1a K1b A1 A2 K2 A1 A2 K3 A1 A2 K1b A1 A2 K1a JB10 E000 In 1 5A In 1 5A K1a Example for control circuit with PLC SPS I O 13 14 Q2 A1 A2 K2 A1 A2 K3 K1 K2 K3 3 n2 6 4 n4 7 G1 L1 L1 See Chapter 12 4 Dir...

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