YASKAWA LKEB Installation Manual Page 1

制動ユニット CDBR-制動抵抗器ユニット LKEB-制動ユニット，制動抵抗器ユニット安川インバータオプション取扱説明書BRAKING UNIT CDBR-BRAKING RESISTOR UNIT LKEB- Braking unit,Braking resistor

11CAUTION(Ref. page)S The control PC board employs CMOS ICs. Do not touch theCMOS elements.They are easily damaged by static electricity.46S Do not co

12WARNING INDICATION A warning label is displayed on the front cover of the braking unit, as shown below. Follow these instructions when handling the

13Warning Indicationߌ߇ޔᗵ㔚ߩ߅ߘࠇ߇޽ࠅ߹ߔޕ࡮ᝪ߃ઃߌޔㆇォߩ೨ߦߪᔅߕขᛒ⺑᣿ᦠࠍ⺒ࠎߢޔޓߘߩᜰ␜ߦᓥߞߡߊߛߐ޿ޕᗵ㔚ߩ߅ߘࠇ߇޽ࠅ߹ߔޕㅢ㔚ਛ෸߮㔚Ḯㆤᢿᓟ㧡ಽએౝߪޔ⴫㕙ࠞࡃ࡯ࠍޓ㐿ߌߥ޿ߢߊߛߐ޿ޕ⏕ታߦធ࿾ࠍⴕߞߡߊߛߐ޿ޕ㧹㨍㨥ޓ㨏㨍㨡㨟㨑ޓ㨕㨚㨖㨡

14CONTENTSNOTES FOR OPERATION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 51 RECEIVING - - - - - - - - - - - - - - - - - -

1 RECEIVING151 RECEIVINGThe braking resistor unit and braking unit have been put through severe tests at the factory before shipment. After unpacki

162 INSTALLATION2.1 LOCATIONIf the units are temporarily stored or machine stops for an extended length of time, the following precautions should be

2 INSTALLATION17• Install the units in the directions shown in Figs. 1 to 8. There will be no problem if they are installed vertically. Fig. 1 Braki

186.57 (167)3.94 (100)OR MORE5.51 (140)3.94 (100)1.97 (50)1.18 (30)OR MORE(58.5)2.19 (55.5)11.02 (280)10.23 (260)9.25 (235)0.39 (10)1.14 (29)3.94 (100

2 INSTALLATION19Fig. 3 Braking Unit Dimensions in inches (mm) CDBR-2045B5.51 (140)(59)7.09 (180)4.37 (111)6.14 (156)7.87 (200)3.86 (98)3.94 (100)2.95

20MAIN CIRCUITTERMINAL M62−LEAD WIRE OUTLET1.38 (35) DIA RUBBERBUSH4−M6MTG HOLE3.94 (100)OR MOREWIRE OUTLET 1.10 (28)DIA RUBBER BUSH3.94 (100)OR MORE1

3PREFACEBraking resistor unit and braking unit are used to con-sume regenerative energy from motor in the braking resistor unit at deceleration and to

21MAIN CIRCUITTERMINAL M54−M6MTG HOLE1.44 (36.5)0.35 (9)7.09 (180)12.48 (317)13.98 (355)14.57 (370)5.45 (138.5)2.95 (75)8.66 (220)(68.5)7.09 (180)2.70

22MAIN CIRCUITTERMINAL M64−M6MTG HOLE1.44 (36.5)0.35 (9)8.27 (210)12.48 (317)13.98 (355)14.57 (370)2.76 (70)6.16 (156.5)8.27 (210)4.67 (118.5)1.97 (50

2 INSTALLATION23Fig. 7 Braking Resistor Unit Dimensions in inches (mm) [for 0.5 to 10HP (0.4 to 7.5kW)]abbBraking Resistor Unit Model (LKEB-)Dimens

24Fig. 8 Braking Resistor Unit Dimensions in inches (mm) [for 15 to 60HP (11 to 45kW)]Braking Resistor Unit Model (LKEB-)Dimensions in inches (mm)AB

2 INSTALLATION252.3 REPLACEMENT OF CONVENTIONAL BRAKING UNITS WITH NEW UNITSTo replace conventional braking units (models CDBR-2015, -2022, -4030, -

26The main circuit terminal symbols are different between conventional models and new models. Refer to the following table.Table 1 Main Circuit Termi

3 WIRING273 WIRING3.1 REMOVING AND REPLACING THE COVERS OF THE BRAKING UNIT (MODELS CDBR-2015B, -2015C, -2022B, -2022C,-4030B, -4045B)(1) Romoving

283.2 SECTION NAMESFigs. 10, 11 and 12 show appearance and each section name of braking unit and braking resistor unit respectively.Thermal overload

3 WIRING29Fig. 11 Braking Resistor Unit Model LKEB-20P7 SPEC: B (Front Cover Removed)Note: 1. External terminals for SPEC: B models LKEB-20P7 and 40P

30ResistorThermalOverloadProtectorControl Circuit TerminalsB, P, 1, 2Lead Wire Outlet(Rubber Bush)Fig. 12 Braking Resistor Unit Model LKEB−2022 (Front

4General PrecautionsS Some drawings in this manual are shown with the protective cover or shieldsremoved, in order to describe with more clarity. Make

3 WIRING313.3 CIRCUITS AND WIRING SPECIFICATIONS* 1. For wire size of 8-6(8-14), use UL Listed copper wires (rated at 75°C).* 2. M4 for Models LKE

323.4 WIRING PRECAUTIONS(1) Wiring Leading-in MethodLead in the wire through the knockout hole on the unit bottom. Since the knockout hole is provide

3 WIRING33(4) Grounding Method• Mount the braking resistor unit on a grounded metallic plate. When it cannot be mounted on a grounded metallic plate

341VS−616G5RMCSTTHRXOFFONMC∗∗SA12MCTRXTRX20 182B1 B2SASATHRXU (T1)V (T2)W (T3)IM12BPMC≈≈MotorOverload Relay Trip ContactBraking Resistor Unit ##Ground

3 WIRING35U (T1)V (T2)W(T3)MCSTTHRXTHRXOFFONMCSA12MCTRXTRX1820SASAIM123P001234VS−616G5MC≈≈MotorBraking Resistor UnitL1 (R)L2 (S)L3 (T)Overload Relay

36RMCSTMTHRX OFFONMCSA12MCTRXTRX20 18SASATHRIM123P1234VS−616G5BMC≈≈00Overload Relay Trip ContactLevelDetectionBraking UnitMotorL1 (R)L2 (S)L3 (T)MCCBO

3 WIRING37RMCSTTHRXOFFONMCSA12MCTRXTRX20 18SASATHRXIMVS−616G5M123P1234BMC≈≈00Overload Relay Trip ContactLevelDetectionBraking UnitBraking ResistorUni

38RMCST400/200VMVS−616G53IMTHRXOFFONMCSA12MCTRXTRX20 18SASATHRXMCPB1234≈≈Overload Relay Trip Contact(Thermal Protector Contact:230VAC, 1A or less)Leve

3 WIRING39RMCSTIMM3VS−616G5THRXOFFONMCSA12MCTRXTRX1820SASATHRXP34B12MC≈≈U (T1)V(T2)W(T3)Overload Relay Trip Contact(Thermal Protector Contact:230VAC,

40RMCST400/200VMVS−616G53IM1THRXOFFONMCSA12MCTRXTRX2018SASATHRXMCP34B12≈≈U (T1)V (T2)W(T3)Overload Relay Trip Contact(Thermal Protector Contact:230VAC

5NOTES FOR SAFE OPERATIONRead this instruction manual thoroughly before installation, operation,maintenance or inspection of the braking unit and the

414. OPERATION4.1 ADJUSTMENTThe braking resistor unit and braking unit do not have to be adjusted.Especially, do not readjust the braking unit except

42Fig. 21 Braking Unit Power Supply Voltage Selection (Models CDBR-2015B, -2015C, -2022B, -2022C, -4030B, -4045B, Terminal Cover and Indicating Cover

4 OPERATION43Fig. 22 Braking Unit Power Supply Voltage Selection(Models CDBR-2045B, -2110B, -4090B, -5037B, -5110B, -5300B,Indicating Cover Removed)*

444.3 MASTER/SLAVE SELECTION CONNECTOR SETTINGSelection Connector Setting MASTER side is selected prior to shipment. Use the units without changing t

4 OPERATION45Fig. 23 Example of Parallel Connection of Three Braking Units4.5 OPERATIONCheck that required deceleration characteristics can be obtai

465 TROUBLESHOOTINGOnly authorized personnel should be permitted to perform maintenance and inspections or replace parts.No. Fault Status Cause Corre

6 SPECIFICATIONS476 SPECIFICATIONS6.1 BRAKING UNIT AND BRAKING RESISTOR UNIT APPLICATION LISTThe applicable braking unit and braking resistor unit

48Example: 400−V Class Inverter Model CIMR−G5jInverterBraking Unit Braking Resistor UnitApprox.BrakingMax ApplicableMotor CapacityHP(kW)Model(CDBR−j)U

6 SPECIFICATIONS496.2 BRAKING UNIT FOR 575V CLASS APPLICATION LISTExample: 575-V Class Inverter Model CIMR-G5Note: The above table lists the applic

506.3 LIST OF APPLICABLE/NOT APPLICABLE COMBINA-TIONS WITH CONVENTIONAL MODELS (VS−616HII/H3, VS−616GII/G3, VS−676)ConventionalModelBrakingUnitBraking

6 SPECIFICATIONS516.4 BRAKING UNIT SPECIFICATIONS* Loading time rate can be used below 10% ED (max. 10 sec.) Braking Unit ModelCDBR-200V to 300V 38

526.5 BRAKING RESISTOR UNIT SPECIFICATIONSModel(LKEB-)SpecificationsAllowable Average Dissipated Power(W)Allowable AverageCurrent (Effe

6 SPECIFICATIONS536.6 MODELS AND CODE NOS. OF BRAKING UNIT AND BRAKING RESISTOR UNIT(1) Braking UnitInverterModel Code No.Voltage HP (kW)200 to230

54(2) Braking Resistor UnitInverterResistor Spec. (per unit)Model Code No.Voltage HP(kW)200 to230V1 (0.75) 70W 200ΩLKEB-20P7 72600-K2P70B2 (1.5) 260W

DRIVE CENTER (INVERTER PLANT)2-13-1, Nishimiyaichi, Yukuhashi, Fukuoka, 824-8511, JapanPhone: 81-930-25-3844 Fax: 81-930-25-4369http://www.yaskawa.c

7WIRING(Ref. page)• Only commence wiring after verifying that the power sup-ply is turned OFF.Failure to observe this warning can result in an electr

8CAUTION(Ref. page)S Verify that the rated voltage of the braking unit and the brakingresistor unit coincides with the AC power supply voltage.Failure

9OPERATIONWARNING(Ref. page)S Only turn ON the input power supply after replacing the frontcover. Do not remove the cover while current is flowing.Fai