KBRG-212D (thru-hole) - KB Electronics, Inc.
Contents
1. III I 12 VIII Function Indicator Lamps iseia IRI Ih 14 IX Limited Warranty aca soc dennis sued nh kee e tegis ers Gh den ee 18 TABLES Te Electrical Ratings cates Ru aee Rb ame ah tl eda be 2 2 Summary of Control Operation 3 3 General Performance Specifications 3 4 Jumper J3 Position vs Motor 4 5 Relationship of AC Line Input and Motor Voltage with J1 J2 and J4 Positions 4 6 Terminal Block Wiring Information 6 7 Field Connections Shunt Wound Motors Only 7 8 Armature Fuse Chat 12 PPI LISE ues reist dL oe ORE or OE Su Bo NE Lore ames Ee ee 15 16 FIGURES 1 Line Voltage Jumper Setting 4 2 Motor Armature Voltage Jumper Setting 4 3 dumperd5 Setting 5255 o35 AT RD ru eee TE 5 4 Speed Control Mode pea dei dp ie ha e Rp i i ae A e rmm 5 5b Forgu Control Sell a E e Ae es edd enden 6 6 Line and Armature Connection 7 TA Eull Voltage Field fret pene2. E pam edere iu ls 7 7B Half Voltage Field E eae RR e Re xp Y Rp te we Rs ce Ge tone 7 8 Control Layout isn oor RR URL wei TA ie Ro ec eee 8 9 Mechanical 5 9 10 Main Speed Potentiometer Connections Unidirectional 10 11 Main Speed Potentiometer Connections 10 12 Voltage Following Connection 10 13 Regenerate to 5 11 14 Coast to Stop susc e Skene ce PES eye Se eB E RE ee 11 15 Tach generator Feedback 11 16 Accel Trimpot Adjustment 12 17 Deadband Trimpot Adjustment 12 18 5chematicx 34 25 tocco hme tuu Osi oe o D Aie Dn sa Om Abr upto 17 A KBRG 212D SIMPLIFIED OPERATING INSTRUCTIONS IMPORTANT You must read these simplified operating instructions before you proceed These instructions are to be used as a reference only and are not intended to replace the detailed instructions provided herein You must read the Safety Warning on page 2 before proceeding 1 CONNECTIONS Line Wire AC line voltage to terminals L1 and L2 Be sure jumpers J1 and J2 are both set to the correct input l
3. RTS the motor will regenerate to a stop The stop time is controlled by the Forward Acceleration FWD ACC and Reverse Acceleration REV ACC trimpots If J7 is changed to the coast to stop CTS position the motor will coast to a stop when the EN COM circuit is opened Note Control will not run unless a jumper or closed contact is connected between the EN and COM terminals MOTARA SAEED 24 FIG 5 TORQUE CONTROL MODE HIGHER TORQUE SETTING ral LOWER SETTIN a 19 20 3h 7 51 70 Tin APPLIES LOAD TORQUE 38 MOUNTING Mount the KBRG 212D on a flat surface free of moisture metal chips or corrosive atmosphere See Mechanical Specifications fig 9 p 9 A 5K ohm remote speed potentiometer is provided with each control Install potentiometer using hardware provided Be sure to install insulating disk between potentiometer and inside of front panel Enclosure When mounting the KBRG 212D in an enclosure it must be large enough to allow the proper heat dissipation A 12 12 24 enclosure is suitable at full rating 7 5 Amps Smaller enclosures may be used if full rating is not required WIRING AA Warning Read Safety Warning before attempting to use this control Warning To avoid erratic operation do not bundle AC Line and motor wires with potentiometer voltage following enable inhibit or other signal wiring Use shielde
4. can draw in both the forward and reverse directions The amount of DC current determines the amount of maximum motor torque They are factory set at 15096 of the current established by the jumper J3 setting Readjust the CL trimpot as follows i Turn CL trimpot to MIN CCW position Be sure jumper J3 is in the proper position approximately equal to the motor DC ampere rating ii Wire in a DC ammeter in series with armature lead Lock shaft of motor iii Apply power Rotate CL trimpot quickly until desired CL setting is reached factory setting is 1 5 times rated motor current Be sure control is in forward direction for FWD CL trimpot adjustment and likewise with REV CL Warning To prevent motor damage do not leave motor shaft locked for more than 2 3 seconds Caution Adjusting the CL above 150 of motor rating can cause overheating and demagnetization of some PM motors Consult motor manufacturer D IR Compensation IR Comp The IR Comp is used to stabilize motor speed under varying loads Readjust the IR Comp trimpot as follows i Initially set trimpot to factory position approximately 10 o clock ii Run motor at approximately 30 50 of rated speed under no load and measure actual speed iii Load motor to rated current Rotate IR Comp trimpot so that loaded speed is the same as the unloaded speed measured in the previous step Control is now compensated so that minimal speed change will occur over a wide r
5. for armature feedback which provides good load regulation for most applications For PEN TG COAST TA STORE superior load regulation analog tach generator feedback can be used CTS RTS Wire the tach generator so that the polarity of the tach generator is the same with respect to the input signal polarity see fig 15 Note If tach generator is wired with reverse polarity the motor will run at full speed FIG 15 TACH GENERATOR FEEDBACK 15V SIG 15V TACH EN NOTE Check tach volt age polarity with respect to input signal if polarity does not match reverse tach leads N nC TACH p G GENERATE v VOLTMETER v Be sure AC line is amp disconnected when rewiring tach generator INFUT SIGNAL 2 110V ISOLATELI VI FUSING Armature Fuse An armature fuse F1 rated 12A is provided with a rating equal to the maximum RMS rating of the control It is recommended that the correct size armature fuse be installed depending on the rating of the motor and form factor RMS AVG current Fuse type should be Littlefuse 326 ceramic or Buss ABC or equivalent A fuse chart is presented below which suggests appropriate armature fuse ratings However the specific application may require larger fuse ratings based on ambient temperature CL set point and duty cycle of operation see table 8 p 12 Fuses may be purchased from your distributor 11 TABLE 8 ARMATURE FUSE CHART
6. INSTALLATION AND OPERATING INSTRUCTIONS REGENERATIVE DRIVE MODEL KBRG 212D KB Part No 8819 VARIABLE SPEED SCR CONTROL DESIGNED FOR SHUNT WOUND and PM DC MOTORS FULL WAVE 4 QUADRANT euos 1 EB THOS SHOS euos 7 86 S S 2 2 NS ZN S 2 NT D if 3 Aola e 15V SIG 15V TACHCOM EN RESP ACCREV ACCIR COMP FWD REV CL MAX SPD DB 4 Safety Warning on Page 2 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 0 4 A COMPLETE LINE OF MOTOR DRIVES See Page 2 1997 KB Electronics Inc TABLE OF CONTENTS Section Page 1 KBRG 212D Simplified Operating Instructions 1 i Safety Warning ned e 2 l General Information le ae Aa en SA tae 2 Il Operation ade aedes eme RR sage E 2 Ill Setting Selectable Jumpers 3 IV MOUNTING Ga oaks pem Pha Daan Sale EE RUP UE EA 6 OWING EDUC 6 VIE HRUSING 11 VII Trimpot Adjustments 0
7. J5 must be in the 15V position i Unidirectional operation only Connect potentiometer to terminals COM 15 SIG for forward direction To operate in reverse direction connect to COM SIG and 15 See fig 10 ii Bidirectional operation only Connect to terminals COM 15 SIG and 15 when using reversing contacts To operate with a potentiometer connect 15 SIG and 15 See fig 11 FIG 10 MAIN SPEED POTENTIOMETER CONNECTIONS Unidirectional 15 SIG 15V TACH COM EN SPEED SPEED POTENTIGMETE PQTENTIOMETER FIG 11 MAIN SPEED POTENTIOMETER CONNECTIONS Bidirectional Bidirectional with Reversing Contact Bidirectional with Speed Pot 15V SIG 15V TACH COM EN 15V SIG 15V TACH COM EN ponang lt MAIN SPEED POTENTIOMETER MAIN SPEED POTENTIOMETER Note Arrow indicates increase in motor forward speed FIG 12 VOLTAGE F Voltage Following An isolated analog voltage can FOLLOWING CONNECTION be used in lieu of main speed potentiometer Connect 15V SIG 15V TACH CM signal to terminals SIG and COM Note Terminal COM is common A positive signal with respect to terminal RB1 will produce a positive output to motor A negative signal with respect to terminal COM will produce a negative output A 0 to 10VDC is required to operate control fro
8. Motor Horsepower 90VDC 180VDC 1 8 1 4 1 6 1 3 1 4 1 2 1 3 3 4 TRIMPOT ADJUSTMENTS 1 2 3 4 Vil Current Amps Fuse Rating AC Amps DN JN pu 12 The KBRG 212D contains trimpots which have been factory adjusted for most applications See specifications for factory settings Note Fig 8 p 8 presents the various trimpots with their location They are shown in the approximate adjustment position Some applications may require readjustment of trimpots in order to tailor control to exact requirements Readjust trimpots as follows A Forward Acceleration FWD AC CEL and Reverse Acceleration REV ACCEL The FWD ACCEL trimpot determines the amount of time it takes the control voltage to reach full output in the forward di rection It also determines the amount of time it takes for the con trol voltage in the reverse direc tion to reach zero output FWD ACCEL is the Reverse Decel The REV ACCEL trimpot deter mines the amount of time it takes the control voltage to reach full output in the reverse direction and the time it takes for the control volt age in the forward direction to FIG 16 ACCEL TRIMPOT ADJUSTMENT reach zero output REV ACCEL FIG 47 _ DEADBAND TRIMPOT ADJUSTMENT the Forward Decel The FWD and REV ACCEL trimpots are factory adjusted to approximately 1 second The ac celeration times are adjustable over a range of 0 1 to 15 seconds See fig 16 for grap
9. POT SETTINGS All trimpots have been factory set in accordance with figure 8 p 8 ARMATURE FUSE An armature fuse F1 rated 12A is installed which has a rating equal to the maximum RMS rating of the control It is recommended that the correct size armature fuse be installed depending on the rating of the motor and form factor See table 8 page 12 ENABLE A jumper must be connected between EN and COM terminals or control will not operate See sec V G page 11 A ii SAFETY WARNING PLEASE READ CAREFULLY This product should be installed and serviced by a qualified technician electrician or electrical maintenance person familiar with its operation and the hazards involved Proper installation which includes wiring mounting in proper enclosure fusing or other overcurrent protection and grounding can reduce the chance of electric shocks fires or explosion in this product or products used with this product such as electric motors switches coils solenoids and or relays Eye protection must be worn and insulated adjustment tools must be used when working with control under 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 which may adversely affect sensitive electronic equipment If information is required on this product contact ou
10. Range at 230VAC Line VDC FWD and REV CL Range Range Setting Voltage Following Input Range VDC Voltage Following Linearity Base Speed Ill SETTING SELECTABLE JUMPERS 115 or 230 50 60 1 0 90 0 180 0 90 100 50 200 100 1 0 Continuous 150 0 50 50 1 1 1 0 5 1 7 2 5 3 3 5 0 7 5 0 1 15 0 3 70 110 0 15 0 30 0 200 0 10 0 15 0 5 The KBRG 212D has customer selectable jumpers which must be set before the control be used refer to fig 1 p 4 Bold indicates factory setting See fig 8 p 8 for location of jumpers A J1 J2 Input AC Line Voltage Select proper input line voltage 115VAC or 230VAC by placing both J1 and J2 in the correct corresponding position 115 or 230 See fig 1 B J3 Armature Current Select the J3 position 1 7 2 5 3 3 5 7 5 closest to the rated motor current Note the maximum output current is set to 15096 of the J3 position which may be readjusted using the FWD CL and REV CL trimpots TABLE 4 JUMPER J3 POSITION vs MOTOR HORSEPOWER Motor Current DC Amps 90VDC 180VDC 7 C J4 Motor Armature Voltage Select the desired armature voltage by placing J4 in the proper position A90 or A180 Note For 115 volt AC Line input the armature voltage must be set to 90 For 230 input the armature voltage is normally set for 180 However it is also possible to set the armatu
11. ange of motor load Note Excessive IR Comp will cause unstable oscillatory operation E Maximum Speed MAX The MAX trimpot is used to set the maximum output voltage of the control which in turn sets the maximum speed of the motor Adjust the MAX trimpot as follows i Rotate Main Speed potentiometer to full speed CW ii Adjust MAX trimpot to desired maximum motor speed Note Do not exceed maximum rated RPM of motor since unstable operation may result 13 F Response Trimpot RESP This trimpot determines the dynamic response of the control The factory setting is approximately 50 of full rotation The setting may be increased if a faster response is required Note If response is made too fast unstable operation may result Vill FUNCTION INDICATOR LAMPS A Power On PWR ON Indicates that the drive is energized with the AC line B Overload OL Indicates the control has reached the current limit set point which has been established by the position of jumper J3 and the FWD CL and REV CL trimpot settings In transient load applications it is normal for this light to blink IX KBRG 212D ACCESSORIES Bipolar Signal Isolator KB P N 8801 4 Quad Accel Decel KB P N 8803 Multi Speed Board KB P N 8814 IX LIMITED WARRANTY For a period of 18 months from date of original purchase KB will repair or replace without charge devices which our examination proves to be defective in material or workmanship This w
12. arranty is valid if the unit has not been tampered with by unauthorized persons misused abused or improperly installed and has been used in accordance with the instructions and or ratings supplied The foregoing is in lieu of any other warranty or guarantee expressed or implied and we are not responsible for any expense including installation and removal inconvenience or consequential 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 so that they may not apply to you In any event KB s total liability under all circumstances shall not exceed the full purchase price of this unit rev 4 88 KB ELECTRONICS INC E 12095 NW 39th Street Coral Springs FL 33065 954 346 4900 Fax 954 346 3377 Outside Florida Call TOLL FREE 800 221 6570 E mail info kbelectronics com www kbelectronics com A40291 Rev B 8 98
13. d cables on all signal wiring over 12 30 cm Do not ground shield Wire control in accordance with National Electrical Code requirements and other local codes that apply A normal blo 15 amp fuse or circuit breaker should be used on each AC line conductor which is not at ground potential do not fuse neutral or grounded conductors See section VI p 11 for fuse information Wire control in accordance with connection diagrams see figures 6 7A 7B on page 7 and figures 10 12 on page 10 A separate AC Line switch or contactor must be wired as a disconnect switch so that contacts open each ungrounded conductor of the control See table 6 for terminal block wiring information TABLE 6 TERMINAL BLOCK WIRING INFORMATION Terminal Block i Connection Wire a Maximum Tightening Designation Designation Torque Ibs inch A AC Line Connect AC Line to terminals L1 and FIG 6 AC LINE AND L2 Be sure jumpers J1 and J2 are set to match ARMATURE CONNECTION the AC Line voltage used See table 5 p 4 B Motor Armature Connect motor armature to terminal M1 and M2 Be sure jumper J4 is set to match motor voltage See table 5 p 4 C Ground Be sure to ground earth control via green screw located on chassis Do not ground any other terminals D Field For Shunt Wound motors only Do not use F and F terminals for any other motor type Connect motor shunt field to terminals F and F for 90VDC motor
14. e a conventional speed control which is called motoring the applied load is opposite to the direction of motor rotation When the elevator is at floor 10 and floor 1 is pressed gravity will try to pull the elevator car down faster than the speed for which it is set The control will then provide reverse torque to keep the car form falling faster than the set speed This operation is regeneration the applied load is in the same direction as the direction of motor rotation The table below summarizes the different modes of regenerative operation TABLE 2 SUMMARY OF CONTROL OPERATION Quadrant Type of Motor Rotation Motor Torque Applied Load Operation Direction direction Direction a pommes ew fing co ow TABLE 3 GENERAL PERFORMANCE SPECIFICATIONS er Factory TAN Setting AC Line Input Voltage VAC 10 50 60 Hz AC Line Frequency Hz of Phases Arm Voltage Range at 115VAC Line VDC Arm Voltage Range at 230VAC Line VDC Field Voltage at 115VAC Line VDC Field Voltage at 230VAC Line VDC Service Factor Duty Max Load Capacity for 2 minutes Ambient Temperature Range C Speed Range Ratio Arm Feedback Load Regulation Base Speed Tach Feedback Load Regulation Base Speed Line Regulation Base Speed Current Ranges ADC FWD and REV Accel Range Sec Dead Band Range Base Speed Max Speed Trimpot Range Base Speed IR Comp Range at 115VAC Line VDC IR Comp
15. erse torque are used to stabilize motor speed See fig 4 FIG 4 SPEED CONTROL MODE HIGHER SET SPEEL LAWER SET SFEEL T T T 2 30 5 72 3 1 112 12 130 141 150 APPLIED LOAN TORQUE 4 cL SETF GINT In the torque control mode J6 set to TRQ the KBRG 212D will vary the maximum motor torque as a function of the voltage input to terminals SIG signal and COM common This voltage can be derived from the wiper of the main potentiometer or from an isolated analog input voltage following If the motor torque is greater than the load torque the motor will rotate If no load is applied to the motor the motor will rotate at a speed proportional to the torque setting as set by the main potentiometer see fig 5 p 6 By using the ACCEL and DECEL trimpots the application of torque can be made more gradual or less gradual as required by the application A maximum torque can be established using the current selector jumper J3 which can be further modified by using the FWD and REV CL trimpots J7 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 electroni cally If the circuit connecting terminals EN and COM on terminal block TB1 is opened the control will cause the motor to stop When jumper J7 is in the factory position
16. hical represen tation of ACCEL Note The FWD and REV CL trim pots may override the rapid accel and decel settings Note A 4 quadrant ACCEL DECEL accessory module KB P N 8803 is available as an option It provides separate con trol of FORWARD acceleration and deceleration and REVERSE acceleration and deceleration CURVE a NO DEADBAND CURVE b MAX DEADBAND B Deadband Trimpot DB The DB trimpot sets the amount of main speed potentiometer rotation required to initiate control voltage output It is factory adjusted to approximately 25 of rotation 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 i Set Main Speed pot to zero speed position ii Set DB trimpot to full CCW position iii Adjust trimpot CW until motor hum is eliminated See fig 17 p 12 for graphic illustration of the DB trimpot Note If the deadband trimpot is set too low CCW direction the motor may oscillate between forward and reverse Adjust deadband trimpot CW until the instability disappears Oscillation may also occur due to RESP and IR COMP trimpot settings See sec VII F p 14 C Forward Current Limit FWD CL and Reverse Current Limit REV CL Trimpots These trimpots are used to set the maximum amount of DC current that the motor
17. ine voltage 115 or 230 VAC Connect ground wire earth to green ground screw B Motor 1 Permanent Magnet PM Type Connect motor armature leads to M1 and M2 Be sure jumper J4 is set to the proper position A90 for 90 volt DC motors and A180 for 180 volt DC motors Note 180 volt DC motors must be used with 230 VAC line 90 volt motors can be used with a 230 VAC or 115 VAC line Note Motor performance and efficiency including brush life can be adversely affected when using 90 volt motors with a 230 VAC line Note Contact motor manufacturer for derating information Shunt Wound Motors Connect motor armature as above Connect full voltage shunt field wires 90 volt motors with 100 volt fields and 180 volt with 200 volt fields to F and F Connect half voltage field wires 90 volt motors with 50 volt fields and 180 volt motors with 100 volt fields to F and L1 SPEED OR TORQUE MODE Jumper J6 is factory set for speed control operation SPD For torque control set J6 to TRQ position MOTOR CURRENT Jumper J3 is factory set for 7 5 amp motors 7 5A For lower amperage motors place J3 in the proper position If motor amperage is less than 1 7 amps use the 1 7 amp position and readjust the IR and CL trimpots according to section VII C and D on page 13 Note The factory setting for Current Limit is 150 of the nominal current setting e g if J3 is selected for 5 amps the actual CL setting will be 7 5 amps TRIM
18. les 1 and 3 Be sure the drive is used within these ratings and specifications Note Regenerative drives normally produce more motor heating than standard unidirectional SCR speed controls especially under low speed operation This should be taken into consideration when specifying motor rating WARNING Be sure to follow all instructions carefully Fire or electrocution L X can result due to improper use of this product Read Safety Warning TABLE 1 ELECTRICAL RATINGS Pu aea PM Output Voltage Max DC Output Max Horsepower VAC ARMS VDC Current ADC HP KW ll OPERATION The KBRG 212D will vary motor speed or torque as a function of the signal voltage on input terminals SIG signal and common The input voltage can be derived from the wiper of the main speed potentiometer or from an isolated analog input voltage following mode Since the KBRG 212D is a 4 quadrant regenerative drive the motor speed will follow both a positive and negative signal voltage and drive the motor in both the forward direction and reverse direction In addition it will apply both forward and reverse torque in order to stabilize motor speed 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 lik
19. m 0 full output A bipolar signal isolator SI 4X KB P N 8801 is available as an option from your distributor Note Jumper J5 must be in the 10V position Note An isolated signal voltage must be used or catastrophic failure can result Enable Start Stop Circuits The KBRG 212D contains a 2 wire stop circuit Enable which is used to electronically bring the motor to a stop An isolated single contact closure is required If an isolated contact is not available it may be necessary to use an isolation relay WARNING Do not use Start Stop or Enable functions as a safety disconnect Use only an AC line disconnect for that purpose i Regen to a stop using terminals EN and FIG 13 REGENERATE TO STOP COM on terminal block When a contact is opened between terminals EN and COM with jumper J7 in the RTS position the motor will regeneratively brake to astop The braking time can be controlled by adjusting the REV ACC trimpot when the motor is in the forward direction and the FWD ACC trimpot when the motor is in the reverse direction See fig 13 CTS RTS J7 ii Coast to a stop using terminals EN and on terminal block TB1 If coast to stop operation is required move jumper J7 to the coast to stop CTS position When the contact is opened between EN and COM the motor will coast to a stop See fig 14 Tach generator Feedback The KBRG 212D is factory set
20. r factory It is the responsibility of the equipment manufacturer and individual installer to supply this safety warning to the ultimate user of this product SW effective 11 92 This control contains electronic Start Stop and enable circuits that can be used to start and stop the control However these circuits are never to be used as safety disconnects since they are not fail safe Use only the AC line for this purpose The input circuits of this control potentiometer start stop Inhibit are not isolated from AC line Be sure to follow all instructions carefully Fire and or electrocution can result due to improper use of this product This product complies with all CE directives pertinent at the time of manufacture C Contact factory for detailed installation instructions and Declaration of Conformity Installation of a CE approved RFI filter KBRF 200A KB P N 9945C or equivalent is required Additional shielded motor cable and or AC line cables may be required along with a signal isolator SI AX KB P N 8801 or equivalent I GENERAL INFORMATION The KBRG 212D is a full wave regenerative control capable of operating a DC motor Permanent Magnet or Shunt in a bidirectional mode It provides 4 quadrant operation which allows forward and reverse torque in both speed directions The drive offers excellent controllability which closely approximates the performance of servo type drives Ratings and specifications are presented in tab
21. re voltage to 90 for step down operation See fig 2 and table 5 Note Jumper J4 is also used if tach generator feedback is to be used See fig 2 If a 7 volt per 1000 RPM tach generator is used place jumper J4 into the T7 position For a 50 volt per 1000 RPM tach generator place the jumper into the T50 position Note When using tach generator feedback the IR Comp trimpot should be turned to a minimum setting full CCW FIG 1 AC LINE VOLTAGE FIG 2 MOTOR ARMATURE JUMPER SETTING VOLTAGE JUMPER SETTING 115VAC 230VAC 90VDC 180VDC J1 J1 TABLE 5 RELATIONSHIP of AC LINE INPUT AND MOTOR VOLTAGE with J1 J2 and J4 JUMPER POSITION m A 90VDC motor can be used with a 230VAC line However speed range may be reduced and motor derating may be required MITOA 79 58 20 J5 Analog Input Voltage FIG 3 JUMPER J5 SETTING Jumper J5 is set to the 15V Potentiometer Operation Signal Following position for potentiometer operation If the control is to be Q 10V operated from an isolated 0 J5 SET 10VDC signal set J5 to the SCOTI 10 position See sec V F p 10 See fig 3 J6 Control Mode Speed SPD or Torque Note Factory setting of J6 is Speed mode In the speed control mode J6 set to SPD the KBRG 212D will provide variable speed control The motor speed will be in direct proportion to the input signal Both forward and rev
22. s with 100VDC fields and gGrounp 180VDC motors with 200VDC fields For motors earth with half voltage fields 90VDC motors with 50VDC fields and 180VDC motors with 100VDC fields connect field to terminals F and L1 See table 7 for summary of field connections CAUTION Shunt Wound motors may be damaged if field remains powered without motor rotating for an extended period of time MOTOR ARM FIG 7A FULL VOLTAGE FIELD FIG 7B HALF VOLTAGE FIELD Step Down operation see sec 111 C p 4 N3 WOO HOVL ASL SIS Lr ee o sla slo OGr GV Qc LC OS8 sBumes pue saeduunf jo Dunes Asojoe4 LNOAVT IOULNOD 8 SIs 1 84 ai quyoa 9 00 HLIM LHOISH WAWIXWW 00 s Q3VOS AMOSSSOOV LNOHLIM LHOISH WNWIXYN S310N 1 922 0068 o ziz za 08 99270 9 18200 006 89 9 4 go s 000 6 021 6 88 ne ld asn4 gt snd 0 n T ala idi ili ln 11 alle 091 0 9 0 SNOILVSISIDAdS IVOINVHO3M 6 913 Main Speed Potentiometer The main speed potentiometer can be connected in several ways using terminals COM 15 SIG and 15 5 ohm potentiometer is supplied with control A 10K potentiometer can also be used Warning Terminals COM 15 SIG and 15 are not isolated from AC line Note Jumper
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