KEPCO BOP 5-20DL Operator'S Manual Download Page 8

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BOP 5-20DL 081915

FIGURE 1-1. BOP 5-20DL POWER SUPPLY

Summary of Contents for BOP 5-20DL

Page 1: ...MODEL OPERATOR S MANUAL KEPCO INC ORDER NO REV NO BOP 5 20DL BIPOLAR OPERATIONAL POWER SUPPLY 100W 200W AND 400W BOP 5 20DL POWER SUPPLY...

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Page 3: ...Features 1 7 1 4 3 Output ON OFF Port 1 8 1 4 4 Load Reactance 1 10 1 4 5 Remote Turn off 1 10 1 4 6 Circuit Breaker Shutdown Prevention at Power Loss Circuit 1 10 1 4 7 References 1 10 1 4 8 Series...

Page 4: ...e BOP as a Current Amplifier 3 18 3 5 5 Remote Control of Voltage Limiting 3 19 3 6 Series and Parallel Connection of BOP Power Supplies 3 20 3 6 1 Series Connection Master slave Operation 3 21 3 6 2...

Page 5: ...anel 2 10 3 1 Rear Programming Connector Terminals 3 2 3 2 BOP Voltage Control Channel Local Control Local Sensing 3 4 3 3 BOP Current Limiting Circuit Local Control Local Sensing 3 6 3 4 BOP Current...

Page 6: ...ctive Load 1 6 1 6 Rear Programming Connector Terminal Functions 1 7 1 7 Output ON OFF Port A2J211 Pin Assignments 1 9 1 8 Current Loop Bandwidth Reduction by Adding Compensation Capacitor to Rear Pro...

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Page 9: ...laboratory and systems applications The BOP is an all solid state design featuring IC operational amplifi ers in the control circuit section and silicon power transistors mounted on special fan coole...

Page 10: ...inal 3Hz range A C Input Current 11 0A Nominal output power sourcing 115V 60Hz Active Input power 1050W Nominal output power sourcing 115V 60Hz Power Factor 0 83 Nominal output power sourcing 115V 60H...

Page 11: ...to 20A Local 21A to 21A Source Sink Output Range Limit channel Voltage 0 05V to 6 2V for positive limit 0 05V to 6 2V for negative limit Remote or local For remote programming of all limits use progra...

Page 12: ...than 3 units being connected in series or in parallel Implementation Using external wiring no standard cables provided Front Panel See Figure 2 1 and Table 2 1 Rear Panel See Figure 2 2 and Tables 1...

Page 13: ...TYPICAL MAXIMUM SOURCE VOLTAGE min max 0 001 0 005 5 V 1nA 0 0005 LOAD no load full load 0 008 0 5mA 1mA 0 0005 TIME 8 hour drift 0 005 0 01 0 01 0 02 20 V 1nA 0 005 TEMPERATURE per C 0 005 0 01 0 01...

Page 14: ...idth for large and small signals 1 4 MISCELLANEOUS FEATURES TABLE 1 4 DYNAMIC SPECIFICATIONS FOR NOMINAL RESISTIVE LOAD MODEL 3dB BANDWIDTH KHz RISE AND FALL TIME 10 90 S LARGE SIGNAL FRE QUENCY RESPO...

Page 15: ...ection of its output voltage is opposite that of its output current An illustrative case is shown in Fig ure 1 3 where the BOP is programmed to deliver a sine wave output and where the load produces a...

Page 16: ...ailing BOP output voltage 21 43 44 45 46 Not Used 12 14 Reserved Not to be used 16 18 Current Mode Compensating Terminals Refer to PAR 1 4 4 26 36 Turn off Signal Output Refer to PAR 3 6 2 24 Circuit...

Page 17: ...t pin 2 referenced to pin 3 input current is 1mA 0 3mA Turns ON within 100 S max between 90 point of controlling signal and a 90 point of output voltage for voltage mode with no load or b 90 point of...

Page 18: ...oltage to zero and turn off the BOP after the output current actually reaches a zero value Use properly rated voltage and current bipolar transorbs or a properly rated bipolar crowbar element connecte...

Page 19: ...n PAR 3 4 1 4 10 MODE SWITCH The BOP is equipped with a front panel mounted MODE switch which selects bipolar voltage or bipolar current control See paragraph 1 4 14 for remote MODE control 1 4 11 CUR...

Page 20: ...tatus of the output in accordance with the signal received at the rear panel OUTPUT ON OFF Port The indicator is on for output on enabled and off for output off disabled 1 4 15 STANDARDS BOP models ar...

Page 21: ...PART NUMBER Rear Programming Connector Unwired 50 terminal printed circuit connector unwired for access to all rear programming connections and flag signal outputs PC 12 Slides Ease of access to adjus...

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Page 23: ...081915 15 FIGURE 1 5 MECHANICAL OUTLINE DRAWING BOP 5 20DL ON OFF OUTPUT PORT ON OFF 1 15 1 16 Blank 14 15...

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Page 25: ...empting to operate Perform the preliminary operational check as outlined in PAR 2 13 If any indication of damage is found file an immediate claim with the responsible transport service 2 2 TERMINATION...

Page 26: ...ol channel 12 CURRENT LIMITS control Control for manual adjustment of the positive current limit 13 CURRENT LIMIT indicator LED lamp indicating current limiting operation 14 CURRENT LIMITS control Con...

Page 27: ...FIGURE 2 2 BOP TERMINATIONS AND CONTROLS REAR PANEL 2 3 A C INPUT REQUIREMENTS This power supply is shipped wired for operation on a single phase nominal 115V a c line For See Table 2 2 for functions...

Page 28: ...t mode with no load connected and either no signal or logic 0 is applied to OUTPUT ON OFF Port pins 2 and 3 the unit will go into voltage limit dis playing the preadjusted limit value with the same po...

Page 29: ...OFF port Verify the front panel VOLTAGE meter shows zero Volts and the REMOTE OUTPUT ON OFF indicator goes off 7 At the front panel turn a c circuit breaker POWER switch 1 to OFF 8 Connect a short cir...

Page 30: ...rd 19 inch equipment racks or onto any other flat surface after remov ing the four 4 bottom aluminum feet If chassis slides are not used the BOP may be installed onto any flat surface by means of the...

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Page 32: ...sensing wire must go to the OUTPUT load wire 2 7 3 A C GROUND The metal cases of electronic equipment which are operated from the a c power line must be kept at ground potential at all times If the 3...

Page 33: ...FIGURE 2 5 LOAD CONNECTION USING LOCAL SENSING AT REAR PANEL...

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Page 35: ...NOTE Before using the BOP in any application please refer to Section 2 to get acquainted with the operating controls a c power requirements and information on load connec tions and grounding Front pan...

Page 36: ...this section The four cir cuits can be programmed separately as described in the examples in this section or one main channel and two limit channels can be used simultaneously as the application requ...

Page 37: ...re due not to the BOP but to the programming resistors Selection criteria for resistors are Temperature coefficient Leakage in values above 100k ohm Humidity effects Drift with time Self heating power...

Page 38: ...overvoltage protection This stage is protected against short circuit by the intrinsic protection of the op amp generating this signal This signal is used by the BIT card if it is installed 3 3 LOCAL...

Page 39: ...Adjust CURRENT LIMITS controls for I 18 and I 16 polarities as required monitoring the output CURRENT meter 11 for the correct limiting value Proceed as follows a Turn VOLTAGE control 3 fully counterc...

Page 40: ...MIT AMP INT Io LIMIT AMP EXT Io LIMIT CONTROL BIAS 15V Io LIMIT CONTROL Io LIMIT COMP AMP Io LIMIT COMP AMP DRIVER COMMON BOP I o LIMIT CHANNEL PART OF REAR PROGRAMMING CONNECTOR 57 6K 57 6K LOAD S R...

Page 41: ...NTROL switch to ON for local front panel control and OFF for remote control 3 Local sensing shown Remote sensing not recommended for Current control 4 For inductive loads in excess of 0 5mH the BOP ou...

Page 42: ...l control the volt age limit point over the entire output current range of each BOP model For the internal front panel control mode the control signal is derived across both 10 volt reference sources...

Page 43: ...zero to 10 volts will control the BOP output through its specified range When the front panel VOLTAGE CONTROL switch 4 Figure for 3 4 rack Figure 2 1 for full rack is set to OFF operation is similar...

Page 44: ...verter Its output can be expressed by the equation EO PREAMP A Eref Rf Ri where Rf Decade Resistor Ri Ext Input Resistor The BOP output voltage will vary linearly with the change in decade resistance...

Page 45: ...oltage for the BOP The connections between the SN Programmer and the BOP are illustrated in Figure 3 8 This programming system provides a resolution of 12 bits with a linearity of 1 2 LSB 0 0122 The d...

Page 46: ...to VOLTAGE 2 Remote sensing shown links removed For local sensing disconnect leads beteen S terminals and load then install links between COM and S terminals and between OUT and S terminals 3 Remove j...

Page 47: ...instead of the front panel Voltage Programming Input terminals inverting...

Page 48: ...ilable the ratio Rf Ri must be 2 5 and the two resistor values can be 10K and 24 9K respectively The built in resistor Ri 10K can be retained and only Rf must be replaced with a 24 9K metal film 1 2 w...

Page 49: ...IMIT CHANNEL PART OF REAR PROGRAMMING CONNECTOR 57 6K 57 6K LOAD S R COM S OUT S NOTES 1 Local Sensing shown links installed between COM and S and between OUT and S terminals 2 On rear programming con...

Page 50: ...al from zero to 10V will therefore control the BOP output current through its specified range BOP CURRENT PART OF REAR PROGRAMMING CONNECTOR 22 C 28 CURRENT CONTROL CURRENT PROGRAMMING INPUT OFF 10V 1...

Page 51: ...URRENT CONTROL switch to OFF 2 Local sensing shown Remote sensing not recommended for Current control 3 For inductive loads in excess of 0 5mH the BOP output response may be optimized by placing a cap...

Page 52: ...switch to OFF 2 Local sensing shown Remote sensing not recommended for Current control 3 For inductive loads in excess of 0 5mH the BOP output response may be optimized by placing a capacitor across...

Page 53: ...etween terminals 15 and C add jumper between terminals 2 and 4 4 For inductive loads in excess of 0 5mH the BOP output response may be optimized by placing a capacitor across terminals 16 and 18 of th...

Page 54: ...R PROGRAMMING CONNECTOR 57 6K 57 6K NOTES 1 Remote sensing shown links removed For local sensing disconnect leads between S terminals and load then install links between COM and S terminals and betwee...

Page 55: ...ed Figure 3 24 shows a master slave connection of two BOP power supplies BOP VOLTAGE PART OF REAR PROGRAMMING CONNECTOR 22 28 C VOLTAGE CONTROL VOLTAGE PROGRAMMING INPUT 10V OFF 10V ON 10K 10K 11 9 C...

Page 56: ...ield to chassis ground Either the positive or the negative output side of the system can be grounded c The coupling resistor RT should be either a wirewound or a metal film component with a low temper...

Page 57: ...the circuit breaker CB101 upon a c line power loss it can be prevented by a jumper wire or an external switch across terminals 24 and 25 on the Rear Programming Connector In this manner Q1 is inhibit...

Page 58: ...be rated for at least the maximum load current and load wire pairs should be twisted or tied together to keep the inductance and EMI as low as possible Use shielded cable for the drive signal connecti...

Page 59: ...PROGRAMMING CONNECTOR 22 10 28 C PREAMP A BOP VOLTAGE CONTROL CHANNEL 10K OFF 4 VOLTAGE PROGRAMMING INPUT 10K VOLTAGE CONTROL ON OFF 10V 10V 10K 11 C 7 9 2 49K Eo ZERO Eo COMP AMP ZERO 17 2 49K 5 G A...

Page 60: ...rresponding VOLTAGE or CURRENT PROGRAMMING INPUT or the appropriate rear programming connector terminals G A T E DRIVER 5 R POWER STAGE S COM OUT S LOAD TWIST REMOVE LINKS NOTES SLAVE 1 1 MODE Switch...

Page 61: ...Together with these visual front panel indicators TTL compatible status flags are provided at the Rear Programming Connector for the above BOP operating modes All status flags available on the rear pr...

Page 62: ...emote output ON OFF PORT which interfaces electrically and mechanically with the digital control assembly used by a BIT Interface card which must be installed for digital control If digital control is...

Page 63: ...081915 29 FIGURE 3 29 SIMPLIFIED SCHEMATIC DIAGRAM BOP 5 20DL I I I I I I I I I I I I I I I I I I 3 29 3 30 Blank 28 29...

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Page 65: ...ted Re calibration is necessary only if components related to the circuitry involving these controls have to be replaced TABLE 4 1 INTERNAL CALIBRATION CONTROLS REFERENCE DESIGNATION SEE FIGURE 4 1 CO...

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Page 67: ...Locate the PREAMP A ZERO control see Figure 4 2 A1R41 then turn the BOP on and adjust control for 0V 0 1mV as read on DVM 4 2 3 UNCOMMITTED AMPLIFIER B ZERO ADJUSTMENT A1R42 1 Without a load connected...

Page 68: ...Set MODE switch to CURRENT and CURRENT CONTROL switch to OFF then turn the BOP on 4 Adjust IO OFF ZERO A1A1R13 potentiometer see Figure 4 2 for 0A 0 01 of IOnom as read on the DVM connected to the shu...

Page 69: ...unt s sensing terminals 4 Set MODE switch to CURRENT and CURRENT CONTROL switch to OFF 5 Place a short circuit across the front panel CURRENT PROGRAMMING INPUT terminals 6 Locate the Io COMP AMP ZERO...

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