KBSI-240D Instruction Manual
Contents
1. ce INSTALLATION AND OPERATING INSTRUCTIONS MODEL KBSI 240D Signal Isolator KB Part No 9431 Pe SP w us S essssisssss 1 2 3 4 M 4 A See Safety Warning on Page 1 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 PENTA POWER A COMPLETE LINE OF MOTOR DRIVES 2000 KB Electronics Inc TABLE OF CONTENTS Section Page i Safety Warnitlg 5 52 A da AA E ERA 1 l Introduction vas R a e de i 2 Hee MOUDONG 3 2 a tt or A e pea tes 2 NE SWING sedet t in A God E ae lec ob ote dnd ede 5 IV Qutp t Signal star rr ee ee wed ah ie tA a ES te 9 Vis jLimited Warranty cio a A E Sd ay Syncs bee 14 Tables 1 General Performance Specifications noas nenne 4 2 Voltage Input Signal unio a ee Ae F Figures 1 Control Layout amp Mechanical Specifications eee 3 2A MSV CONNEION s p E 22T a inlay a t scite E Z treats Oe aaah A ee 5 2B 230V Connection sassa ne aes ore rore eee preste ARA NNT cet NTE 5 3 Current Input Signal Connection eee eee 6 4 Voltage Input Signal Connections 0 0 eee 7 5A Master Multiple Slave Voltage Following System Single Main Motor o o o o 9 5B Master Multiple Slave Vo2. H S U U series with the AC line Ji B Input Terminals A voltage or current signal from a iud 1A FUSE microprocessor tachometer transducer etc is to be connected to terminals 5 through 8 The selection of R 230V AC the proper terminal is based on the maximum level of the input signal See figures 3 and 4 Current Input Signal FIGURE 3 CURRENT INPUT SIGNAL CONNECTION v Warning Read Safety Warning on Page 1 before attempting to use this control 5 6 Note The Voltage Current VLT CUR jumper must be in CUR EA position Connect the negative current signal input to terminal 5 and the positive to terminal 6 The KBSI 240D is factory calibrat e083 Resset ed so that a 4 20mA signal will provide a O 9 Volt output The Converts 4 20maq input range can be converted to a 10 50mA range by attaching a PAR SR 1500 1W resistor across the current input terminals 5 and 6 See figure 3 Control must be recalibrated when the 1500 resistor is installed The range of signal input can be changed to 1 5mA by removing resistor R3 from the printed circuit board 4 20mA Recalibrate the Signal Isolator to follow a 4 20mA current signal input as follows Connect a 10V DC meter digital DC meter is suggested to terminals 9 8 10 2 Apply the minimum input current 4mA at terminals 5 and 6 3
3. Adjust the MIN trimpot to an output voltage of O volt DC 4 Set the input current to 20mA and adjust the MAX trimpot so that the output voltage is at the desired level 9V DC 5 Repeat steps 3 and 4 if extreme accuracy is required The Signal Isolator is now cali brated to provide O 9V DC output with a 4 20mA input 6 Use the MIN and MAX trimpot if other than O 9V DC output is required with the respec tive input current range ii Voltage Input Signal 24 Warning Read Safety Warning on Page 1 before attempting to use this control Note The Voltage Current VLT CUR jumper must be in the VLT position factory setting The KBSI 240D is designed to accept a wide range of input voltage signals as follows TABLE 2 VOLTAGE INPUT SIGNAL FIGURE 4 VOLTAGE INPUT Minimum Input Maximum Input SIGNAL CONNECTIONS Input Terminals Voltage Range Voltage Range 5 6 0 25 5 6 7 8 5 7 0 120 FR 5 8 0 120 0 550 ESE ole jp mmm d U U U c x Connect input voltage signal to proper input terminals as 0 25v indicated in figure 4 a 0 1200 1 Connect a 10V DC meter digital meter is suggested a 0 550V e to terminals 9 and 10 Apply the maximum input voltage that would be supplied from tach transducer etc Adjust the MAX trimpot to the desired output voltage Example A slave mo
4. ter dem i optet E ayia NEUE x 0 196 Temperature Drift nn IT ITE 4 mV per C Temperature Operating Ranges wack cee ener ck Nt een etes e Mn areas wi 0 50 C Notes 1 To achieve full specifications input voltage must be within 10 of nominal 2 Floating non grounded or grounded input signal may be used 3 To change from 4 20mA to 1 5mA remove R3 To convert to 10 50mA add a 1500 1W resistor across terminals 5 and 6 See figure 3 4 Specifications are based on an output of 10 volts Ill WIRING FIGURE 2A 115V CONNECTION gu Warning Read Safety Warning on page 1 1 2 3 4 before attempting to use this control ES aS ES ZN SARA Warning To avoid erratic operation do not bundle AC U U U Line and motor wires with potentiometer voltage fol lowing enable inhibit or other signal wiring Use Jumper Jumper un shielded cables on all signal wiring over 12 30 cm Do not ground shield 115V AC A AC Power The KBSI 240D is powered with either 115 or 230V AC 50 60 Hz by arranging the jumpers FIGURE 2B 230V CONNECTION between terminals 1 to 4 properly See figures 2A 1 2 3 4 PO N n N and 2B Be sure unit is wired in accordance with the E National Electric Code and other codes that may apply C cS ae It is recommended that a 1 amp fuse be installed in
5. It is the responsibility of the equipment manufacturer and individual installer to supply this safety warn ing to the ultimate user of this product SW effective 11 92 This product complies with all CE directives pertinent at the time of manufacture Contact factory for detailed installation instructions and Declaration of Conformity INTRODUCTION The KBSI 240D Signal Isolator is used to isolate amplify and condition DC voltage and current signals from any source motors tachs and transducers which will drive most variable speed motor controls with a voltage following input The maximum output voltage of the isolator is 10 volts which is a linear function of the input signal The KBSI 240D is versatile since it can accommodate a wide range of input voltages 0 25 0 120 and O 550V DC and in addition a wide range of input current signals 4 20 mA 10 50 mA and 1 5 mA The Voltage Current VLT CUR jumper is used to change the KBSI 240D from a voltage to current input A built in power supply enables the KBSI 240D to be controlled with a 5KO remote poten tiometer connect potentiometer to terminals P1 5 and 6 see page 9 The potentiome ter can also be wired for Auto Manual Operation The input range of O 25V is the maximum voltage that can be applied to terminals 5 and 6 The minimum input voltage is O 5 volts which can achieve an output voltage of 0 10 volts The unit i
6. ange Adjust the MIN trimpot to provide the desired minimum speed and the MAX trimpot to provide the desired maximum speed FIGURE 5 MASTER MULTIPLE SLAVE VOLTAGE FOLLOWING SYSTEM A 10K ratio poten tiometer is used to control up to ten 10 slave motors If a 5K ratio poten tiometer is used up to five 5 slave motors can be con trolled Ratio 5KQ0 SlaveD Motor 1 A From a Single Main Motor Main Motor 10 DCO At 7 Speedo o KBSI 240D g Control ap 5 Br B From a Single Main Potentiometer 5KO Pot BIS KBSI 240D 5 10 ConnectO as above 9 Connect high side of potentiometerO to terminal P1 1 4 QD NE FO SpeedO Control x Isolation Diode A Ee AC SlaveD Motor 2 FO Pa FO Y v AdditionalL1 Slaves SpeedO Control A 0 e a SpeedO Control SlaveD Motor 3 A O AC WARNING If Signal solator is connected to multiple speed controls 1 Multiple controls must be powered from the same phase of AC line 2 The positive input terminal to each speed control must be installed with a 1 amp 600V isolation diode as shown 3 Multiple speed controls can not be used with PWM Regenerative or Variable Frequency Drives Inverters FIGURE 6A MASTER SLAVE VOLTAGE FOLLOWING SYSTEM AC Lin
7. e 90V DC AC Line AC Line Main Motor Slave 10 po _L1 lo Motor 1 DC A 7 A Speed O KBSI 240D yy le oe Control A 5 AC FIGURE 6B PROCESS CONTROL WITH AUTO MANUAL SWITCH 5K Pot ManualOl 5K Speed Pot The KBSI 240D can Auto Man p be wired in an Auto Manual mode P3 which will allow man Motor ual override of an 106 Fa AE A automatic process KBSI 240D P1 See figure 6B CONTROL 9c AC Fo 10 FIGURE 6C PROCESS CONTROL WITH AUTO RATIO POT MANUAL SWITCH The following circuit AutoO provides for dual pur W Ratio Manual pose usage of the speed pot In the P3 AUTO mode it is 10 ei Motor used for ratio control pa KBO and in the MAN KBSI 240D CONTROL mode it is used for a FC AQ manual speed adjust ment 5K Pot FIGURE 6D AUTO MANUAL OPERATION WITH POTENTIOMETER ON KBSI INPUT Auto Man 5K Pot M peel otor Process d 10 P2 A Signal KB KBSI 240D CONTROL 0 10V DC 5 FO AC Note The preceding circuit provides for the speed pot to be used in MAN mode only In AUTO mode the process control signal is supplied directly to the signal isolator 11 NOTES NOTES 13 V LIMITED WARRANTY For a period of 18 mo
8. ltage Following System Single Main Potentiometer 9 6A Master Slave Voltage Following System eee 10 6B Process Control with Auto Manual Switch 00 00 00 eee eee 10 6C Process Control with Auto Ratio Pot Manual Switch oo 11 6D Auto Manual Operation with Potentiometer on KBSI Input eee esee 11 i Y A SAFETY WARNING Please read carefully Be sure to follow all instructions carefully Fire and or electrocution can result due to improper use of this product This product should be installed and serviced by a qualified technician electrician or electrical maintenance person familiar with its operation and the hazard involved Proper installation which includes wiring mounting in proper enclosure fusing or other over current protection and grounding can reduce the chance of electric shocks fires or explosion in this product or prod ucts used with this product such as electric motors switches coils solenoids and relays Eye protection must be worn and insulated adjustment tools must be used when working with con trol 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 RFI which may adversely affect sensitive electronic equipment If information is required on this product contact our factory
9. nths from the date of original purchase KB Electronics Inc will repair or replace without charge devices which our examination proves to be defective in material or workmanship This warranty is valid if the unit has not been tampered with by unauthorized per sons 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 KB Electronics Inc is not responsible for any expense including instal lation 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 lim itations 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 KB Electronics Inc 4 12095 NW 39th Street Coral Springs FL 33065 2516 954 346 4900 Fax 954 346 3377 Outside Florida Call TOLL FREE 800 221 6570 E mail info kbelectronics com www kbelectronics com A40255 Rev B 5 2000
10. s factory calibrated so that a O 10V DC input yields a O 10V DC output MOUNTING Mount the Signal Isolator using 4 6 32 screws not included Use the Control Layout and Mechanical Specifications drawing on page 3 to locate the mounting holes The unit is designed to be mounted in any position providing its components do not come in contact with grounded or live wiring FIGURE 1 CONTROL LAYOUT amp MECHANICAL SPECIFICATIONS INCHES mm Illustrates Factory Setting of Jumpers and Approximate Trimpot Settings pe 4 843 A 123 00 0 276 0276 4 291 N 7 00 7 00 109 00 Y A A Q n O O Fy uw P1 ES m 2244 VOLT s CUR E 57 0 ed P Je 2795 SS ae cC 71 0 EA AS 6 7 8 9 10 Y 4 mounting holes for 6 screws TABLE 1 GENERAL PERFORMANCE SPECIFICATIONS AC Power Requirements essen 115 or 208 230V AC 50 60 Hz 1 SignalilnputiVoltagel 2 Nee e EE 0 25 0 120 0 550V DC SignaltInputiCuirrents 2 se ae eee oe ene 1 5 4 20 10 50mA 3 Maximum Output Voltage re I ICT E ENT 10 Volts Maximum Output Currente er OO 10mA Bando ot MINETO E a Sd PERLE RO NEN x 3 Volts Range of MAX Trimpot 0 to 2 times the input voltage with maximum of 10 Volts nai a
11. tor is to follow the output of a main motor with an armature voltage range of 0 90V a Connect the armature of the main motor to the SI input terminals 5 and 7 b Set the armature voltage of the main motor to zero 0 Adjust the MIN trimpot so that the output at terminals 9 and 10 reads zero 0 volts c Reset the armature voltage of the main motor to 90V Adjust the MAX trimpot so that the output voltage is 9V DC Notes 1 When setting the output voltage using the MIN and MAX trimpots the voltage or speed of the driven motor can be read directly instead of using the output of the KBSI 2 When readjusting the MIN and MAX trimpots always set the minimum voltage first and then the maximum voltage 3 Trimpots allow approximately 20 turns for the full range of adjustment If during the adjust ment procedure the output stops changing try reversing the direction of rotation of trimpot OUTPUT SIGNAL The output signal from the Sl is obtained from terminals 9 and 10 Connect the out put directly to the signal following input terminal of the speed control For multiple slave motors several controls can be driven from a single KBSI 240D Be sure the AC line connections to the slave control are to the same phase eg L1 to L1 and L2 to L2 of all controls The output from the KBSI 240D can be scaled to control the speed control over any desired speed r
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