KB Electronics Penta Power KBRG-212D Installation And Operation Manual Download Page 1

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INSTALLATION AND OPERATION MANUAL

REGENERATIVE DRIVE

MODEL KBRG-212D

Part No. 8819

VARIABLE SPEED SCR CONTROL

FULL WAVE 4–QUADRANT

F-

F+

See Safety

Warning, on page 5.

RoHS

The information contained in this manual is intended to be accurate.

However, the manufacturer retains the right to make changes in design, which may not be included herein.

(see back cover)

Summary of Contents for Penta Power KBRG-212D

Page 1: ...EED SCR CONTROL FULL WAVE 4 QUADRANT F F M1 M2 L2 L1 See Safety Warning on page 5 RoHS The information contained in this manual is intended to be accurate However the manufacturer retains the right to make changes in design which may not be included herein 2009 KB Electronics Inc see back cover ...

Page 2: ...eld Connection 15 9 Jumper J2 Setting vs Motor Horsepower 19 10 Summary of Control Regen Operation 25 11 Troubleshooting Guide 30 Figure Page 1 Control Layout 10 2 Mechanical Specifications 11 3 AC Line and Armature Connection 14 4 Full Voltage Field 15 5 Half Voltage Field 15 6A Unidirectional Operation Forward 16 6B Unidirectional Operation Reverse 16 6C Bidirectional Operation Reversing Contact...

Page 3: ...e Acceleration Trimpot Position 26 20B ACCEL Trimpot Adjustment 26 21 Maximum Speed Trimpot Position 26 22A Forward Current Trimpot Position 27 22B Reverse Current Trimpot Position 27 23 IR Compensation Trimpot Position 27 24 Response Trimpot Position 28 25A Deadband Trimpot Position 28 25B Deadband Trimpot Adjustment 28 26A Offset Trimpot Position 29 26B Offset Trimpot Adjustment 29 27A Scale Tri...

Page 4: ...nnect full voltage shunt field leads 90 volt motors with 100 volt fields and 180 volt with 200 volt fields to F and F Connect half voltage field leads 90 volt motors with 50 volt fields and 180 volt motors with 100 volt fields to F and L1 1 2 ENABLE INHIBIT The control can be electronically stopped and started with this circuit function To Stop the control Terminals must be connected in the requir...

Page 5: ...der power This product is constructed of materials plastics metals carbon silicon etc which may be a potential hazard Proper shielding grounding and filtering of this product can reduce the emission of radio frequency interference RFI which may adversely affect sensitive electronic equipment The input circuits of this drive may not be isolated from the AC line Be sure to read and follow all instru...

Page 6: ... amplify and condition DC voltage signals from any external source power supplies motors tachometer generators transducers and potentiometers The KBRG 212D also provides isolation for motor direction switching and an isolated power supply for transducer or potentiometer operation All input and signal connections are made via Terminal blocks and are electrically isolated from AC line and motor wiri...

Page 7: ...ions Current Overload gives indication that the control will trip TABLE 2 SELECTABLE JUMPERS See Section 7 on page 19 Feature Description J2 Motor Current Refer to Section 7 1 on page 19 For selection of the motor current being used J3 Motor Armature Voltage Refer to Section 7 2 on page 20 For selection of the motor voltage being used J5 SPD TRQ Speed or Torque Refer to Section 7 3 on page 20 Jump...

Page 8: ...n both the Speed Control Mode and Torque Mode Reverse Current Limit RCL Refer to Section 10 3 on page 26 Sets the maximum amount of DC current that the motor can draw This determines the amount of maximum motor torque in both the Speed Control Mode and Torque Mode IR Comp IR COMP Refer to Section 10 4 page 27 The IR Comp is used to stabilize motor speed under varying loads Response RESP Refer to S...

Page 9: ...tage at 115 VAC Line VDC 100 50 Field Voltage at 230 VAC Line VDC 200 100 Max Load Capacity for 2 Minutes 150 Ambient Temperature Range ºC F 0 40 32 104 Speed Range Ratio 50 1 Arm Feedback Load Regulation Base Speed 1 Tach Feedback Load Regulation Set Speed 1 AC Line Regulation Base Speed 0 5 Current Ranges Amps DC 1 7 2 5 5 0 7 5 7 5 FWD and REV Accel Range Seconds 0 1 15 1 Deadband Range Base Sp...

Page 10: ...10 FIGURE 1 B CONTROL LAYOUT F F M1 M2 L1 L2 ...

Page 11: ...RE 2 B MECHANICAL SPECIFICATIONS Inches mm M1 L1 L2 M2 F F 6 50 165 178 7 00 3 50 5 08 0 20 0 625 15 9 88 9 6 35 0 25 120 4 75 MAXIMUM HEIGHTS Without Accessory Boards 1 70 43 2 With Accessory Boards 3 10 78 7 ...

Page 12: ...tion Start The KBRG 212D contains an adjustable acceleration start feature that allows the motor to smoothly accelerate from 0 full speed over a time period of 0 5 to 15 seconds 4 4 Limitation in Use The KBRG 212D controls are designed for use on machine applications CAUTION Do not use in explosive atmosphere Be sure the KBRG 212D is used within its maximum ratings Follow all installation instruct...

Page 13: ...ground potential Connect control in accordance with illustrations in this section A separate AC line switch or contactor must be connected as a disconnect switch so that contacts open each ungrounded conductor In addition Table 6 details the connection wiring and torque information 6 1 AC Line Connection Connect the AC line to L1 and L2 terminals of TB1 as shown in Figure 3 on page 14 Note There a...

Page 14: ...ure that jumper J2 matches the motor being used See Figure 3 TABLE 7 ARMATURE FUSE CHART Motor Horsepower 90 VDC 180 VDC Approx DC Motor Current Amps Fuse Rating AC Amps 1 8 1 3 2 1 6 1 3 1 7 2 2 5 4 1 3 3 3 5 1 5 0 8 1 7 5 12 1 2 10 0 20 6 5 Field For Shunt Wound Motors Only Connect motor armature leads as above Connect full voltage shunt field leads 90 volt motors with 100 volt fields and 180 vo...

Page 15: ... F terminals of TB3 for any purpose other than to power the field of a shunt wound motor 6 7 Half Voltage Field Connection Shunt Wound Motors Only Connect the motor field leads to F TB3 and L1 terminals of TB2 as shown in Figure 5 and Table 7 on page 14 CAUTION TB3 terminals are not isolated from AC line Do not ground earth Note Do not connect motor armature leads to F and F terminals FIGURE 4 B F...

Page 16: ... 15 15 SIG COM as per Figure 6C 6 8 4 Bidirectional operation with potentiometer Connect potentiometer to terminals 15 15 SIG as per Figure 6D FIGURE 6A UNIDIRECTIONAL OPERATION Forward FIGURE 6B UNIDIRECTIONAL OPERATION Reverse Main Speed Potentiometer TB1 15 15 SIG COM 15 15 SIG COM TB1 Main Speed Potentiometer FIGURE 6C BIDIRECTIONAL OPERATION Reversing Contact FIGURE 6D BIDIRECTIONAL with POTE...

Page 17: ...or jumper information to CUR position and connect the current source to TB1 terminals SIG and COM See Figures 7B below and 7D on page 18 In addition the control is used to isolate amplify and condition DC voltage signals from any external source power supplies motors tachometer generators transducers and potentiometers Also provides isolation for motor direction switching and an isolated power sup...

Page 18: ...ble open to stop close to start 6 10 1 Enable Mode EN 212D In the Enable mode Default connect COM terminal to the EN terminal via a switch See Figure 8A 6 10 1 Inhibit Mode INH 213D When COM terminal and EN terminal are open control is in INHIBIT state See Figure 8B IMPORTANT NOTE In Enable mode a switch must be installed between the COM and the EN terminals or control will not operate See SAFETY ...

Page 19: ... The KBRG 212D has customer selectable jumpers which must be set before the control can be used See Figure 1 on page 10 for jumper locations 7 1 J2 Armature Current Select the J2 position 1 7 2 5 3 3 5 7 5 closest to the rated motor current See Figure 10 and Table 9 Note The maximum output current is set to 150 of the J2 position which may be reset using the FCL and RCL Trimpots See Section 10 3 o...

Page 20: ...Note When using tach generator feedback the IR Comp Trimpot See Section 10 4 on page 27 should be turned to a minimum setting full CCW See Figure 9 and Section 6 11 on page 19 7 3 J5 Speed SPD or Torque TRQ Note Factory setting of J5 is Speed mode Default In the speed control mode J5 set to SPD the KBRG 212D will provide variable speed control The motor speed will be in direct proportion to the in...

Page 21: ...Coast to Stop CTS Regenerate to Stop RTS This function operates in conjunction with the Enable circuit which is used to start and stop the control electronically If the circuit connecting terminals EN and COM on terminal block TB1 is opened the control will cause the motor to stop When jumper J6 is in the factory position RTS the motor will regenerate to a stop The stop time is controlled by the F...

Page 22: ...r to Section 6 9 Signal Following on page 17 and Figures 17A and 17B 7 7 J9 Enable EN Inhibit INH The control can be electronically stopped or started with the inhibit circuit depending upon the position of Jumper J9 The control can also be started and stopped with the Enable Factory Set function The enable circuit functions opposite to that of the inhibit circuit See Figure 18 and Section 6 10 on...

Page 23: ...S MUST BE DISCONNECTED FROM THE AC POWER 8 1 Connect all equipment AC power input lines together and connect them to the H V lead of the Hi Pot Tester Connect the RETURN of the Hi Pot Tester to the frame on which the drive and other auxiliary equipment are mounted 8 2 The Hi Pot Tester must have an automatic ramp up to the test voltage and an automatic ramp down to zero voltage Note If the Hi Pot ...

Page 24: ...forward and reverse torque in order to stabilize motor speed Example To understand the concept of a regenerative drive the operation of an elevator can be used If one were to enter the elevator on the first floor and press 10 the motor and control would have to lift the elevator against gravity In this mode the drive would operate like a conventional speed control which is called motoring the appl...

Page 25: ...APPLIED AN INSULATED KB ADJUSTMENT TOOL MUST BE USED AND SAFETY GLASSES MUST BE WORN HIGH VOLTAGE EXISTS IN THIS CONTROL FIRE AND OR ELECTROCUTION CAN RESULT IF CAUTION IS NOT EXERCISED SAFETY WARNING ON PAGE 5 MUST BE READ AND UNDERSTOOD BEFORE PROCEEDING 10 1 Forward Acceleration FACC and Reverse Acceleration RACC The FACC Trimpot determines the amount of time it takes the control voltage to rea...

Page 26: ...ed to set the maximum amount of DC current that the motor can draw in both the forward and reverse directions The amount of DC current determines the amount of maximum motor torque in both the Speed Control Mode and Torque Control Mode They are factory set to 150 of the current established by the jumper J2 position See Figures 22A and 22B on page 27 Readjust the CL trimpots as follows a Turn CL tr...

Page 27: ...y set to 5 Volts DC with 115 Volt AC line input and 10 Volts DC with 208 230 Volt AC line input See Figure 23 If control is in Tach Feedback mode the IR Comp should be set to minimum CCW Note Too much IR Comp will cause unstable oscillatory operation Readjust the IR Comp trimpot as follows a Run motor at approximately 30 50 of rated speed under no load and measure actual speed b Load motor to rate...

Page 28: ...OT ADJUSTMENT SPEED b 100 100 b a 100 100 a Curve a No Deadband Curve b Max Deadband The DB trimpot also determines the amount of delay that will occur before regeneration starts Regeneration occurs when the applied load torque is in the same direction as the motor rotation To readjust the DB to factory setting a Set Main Speed pot to zero speed position b Set DB trimpot to full CCW position c Adj...

Page 29: ...26 This allows for fine adjustments of the analog input signal within the 0 10V or 0 15V ranges In addition the trimpot has an adjustment range of 5 to 25V See Figures 27A and 27B Example Using a 90 V DC motor and with jumper J8 to the 10V position Adjust the Main Speed Potentiometer Section 6 8 on page 16 to maximum clockwise CW position At this point the motor will be running at full speed Adjus...

Page 30: ...OL PROVIDED MUST BE USED AND SAFETY GLASSES MUST BE WORN FIRE AND OR ELECTROCUTION CAN RESULT IF CAUTION IS NOT EXERCISED 12 1 TROUBLESHOOTING GUIDE Table 11 provides information on symptoms possible causes and the suggested troubleshooting solutions for the drive See Section 11 for information on LED status indicators TABLE 11 TROUBLESHOOTING GUIDE Indication Symptom Possible Solutions The Main S...

Page 31: ...en or not receiving proper voltage Check motor for shorts or grounds Motor may be defective Check position of RCL and FCL trimpots The trimpots may be set too low OL LED indicator is illuminated Rapid Acceleration change will cause the LED to illuminate Verify potentiometer setting Note For any other problems consult the factory representative ...

Page 32: ... damage including injury to any person caused by items of our manufacture or sale Some states do not allow certain exclusions or limitations found in this warranty and therefore they may not apply to you In any event the total liability of KB Electronics Inc under any circumstance shall not exceed the full purchase price of this product rev 2 2000 COPYRIGHT 2009 KB Electronics Inc All rights reser...

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