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SECTION 7: CONNECTORS, APPLICATIONS & PROTECTION FEATURES

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42L Series Modular DC Load Operation Manual

Page 53 of 88

KEY# Description

ISTEP: Setting the increment current step size. The LCD display shows “OCP”,

“ISTEP” and 0.000A (or initial setup value) from top to bottom on the 5-digit LCD

displays. The setting range is 0.000A to the full scale of the CC mode specification.

This parameter can be adjusted by turning the rotary knob.

ISTOP: Setting the stop current point. The LCD display shows “OCP”, “ISTOP” and

120.0A (actual value depends on 42L Series model) from top to bottom on the 5-

digit LCD displays. The setting range is 0.000A to the full scale of the CC mode

specification. This parameter can be adjusted by turning the rotary knob.

Vth: Setting the threshold voltage. The LCD display shows “OCP”, “Vth” and 0.50V

(or initial setup value) from top to bottom on the 5-digit LCD displays. The setting

range is 0.00V to the full scale of the Voltage specification. This parameter can be

adjusted by turning the rotary knob

Содержание 42L Series

Страница 1: ...2 P N 160906 10 42L Series Programmable DC Load ADAPTIVE Power Systems Worldwide Supplier of Power Equipment TM Copyright 2014 Adaptive Power Systems Inc APS All Rights Reserved No reproduction witho...

Страница 2: ...by Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 2 of 88 PAGE LEFT INTENTIONALLY LEFT BLANK...

Страница 3: ...ew Rates 16 3 3 3 Determining Actual Transition Times 17 3 4 Current Read back 19 3 5 Analog Input Mode 19 3 6 Product Features 19 3 7 Accessories Included 20 3 7 1 Accessory Installation 21 3 8 Inter...

Страница 4: ...ons Applications and Protection Features 65 7 1 INPUT Terminals 65 7 1 1 Banana Jack Connectors 65 7 1 2 Y hook Spade Lug Terminals 65 7 1 3 Lead Wire Insertion 65 7 1 4 Banana Jack Connector and Spad...

Страница 5: ...Series Modular DC Load Operation Manual Page 5 of 88 9 3 OPP Test 80 9 4 OCP Test 81 10 Remote Control Programming 82 10 1 Overview 82 11 Calibration 83 11 1 Overview 83 11 2 Calibration Interval 83...

Страница 6: ...Mode Parameters 16 Table 3 2 Included Accessories 20 Table 6 1 Front Panel Display and Keyboard Functions 58 Table 6 3 Model 42L0860 CH A Power on Settings 63 Table 6 3 Model 42L0860 CH B Power on Set...

Страница 7: ...nd Pin out of Analog Programming Input Connector 34 Figure 5 7 Effect of Current Slew Rate Settings on Power Supply Testing 35 Figure 6 1 44M04 Chassis with 41L0630 Series Loads Front Panel View 36 Fi...

Страница 8: ...949 756 0838 Email support adaptivepower com EUROPE Caltest Instruments Ltd Guildford United Kingdom Phone 44 0 1483 302 700 Fax 44 0 1483 300 562 Email support adaptivepower com CHINA PPST Shanghai...

Страница 9: ...repair This warranty is exclusive of all other warranties expressed or implied 2 2 Service and Spare Parts Limited Warranty APS warrants repair work to be free from defects in material and workmanship...

Страница 10: ...thorization from APS 42L Series Modular DC Load Operation Manual Page 10 of 88 SAFETY SYMBOLS Direct current DC Alternating current AC Both direct and alternating current Three phase alternating curre...

Страница 11: ...maximum relative humidity of 80 and at altitudes of up to 2000 meters Refer to the specifications tables for the ac mains voltage requirements and ambient operating temperature range BEFORE APPLYING...

Страница 12: ...ctric shock hazard Operation at line voltages or frequencies in excess of those stated on the data plate may cause leakage currents in excess of 5 0 mA peak DO NOT EXCEED LOAD INPUT VOLTAGE RATING WAR...

Страница 13: ...les 2 4 or 8 load channels to be operated at the same time The mainframes provide the necessary mains power conversion along with computer and analogue interfaces Front panel memory store and recall f...

Страница 14: ...tly proportional to the sensed DC input voltage The ratio between DC voltage and current is linear per ohms law and can be set by the user within the operating range of the DC load The current is defi...

Страница 15: ...IC CC mode Static mode uses a constant load level whereas dynamic mode allows rapid changes between two pre set current sink levels using programmable current slew rates and duty cycle Static Constant...

Страница 16: ...quency 1 T High T Low Duty Cycle T High T High T Low 3 3 2 Slew Rates Slew rate is defined as the change in current or voltage over time A programmable slew rate allows a controlled transition from on...

Страница 17: ...ing Actual Transition Times The minimum transition time Tr min for a given slew rate applies for smaller changes in current as a percent of current range At about a 30 or greater load change the slew...

Страница 18: ...lta change in current represents less than 30 of full scale current this load module 18A If the programmed slew rate is set to 2 5A s the expected transition time would be 0 8 12 0 2 5 s 3 84 s Howeve...

Страница 19: ...velope of the DC load to be used for perform dynamic load testing beyond the built in dynamic CC mode Note This mode is supported in Constant Current CC and Constant Power CP modes only 3 6 Product Fe...

Страница 20: ...incoming inspection of the product please contact Adaptive Power Systems customer service Item Decsription 41L 42L 41D 42D a Banana plug 4 mm Red Load connection 1 2 1 b Banana plug 4 mm Black Load c...

Страница 21: ...e included in the 42L ship kit to allow connection of load and sense wires to equipment unit under test EUT The following illustrations show how these connectors can be used to connect a load Note tha...

Страница 22: ...PS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 22 of 88 Figure 3 6 Load and sense connections using banana plugs inserte...

Страница 23: ...A 0 2 4 A 0 24 A 0 2 4 A 0 24 A 0 0 3 A 0 3 A 0 0 3 A 0 3 A Resolution 0 1 1mA 0 01 0 1mA 0 04 0 4mA 0 005mA 0 05mA Accuracy 0 1 OF SETTING RANGE CR Mode Range 0 01335 1 335 80 1k 0 1335 13 35 801k 0...

Страница 24: ...ETERING Voltage Range 0 6 0V 0 81 0V 0 6 0V 0 81 0V 0 6 0V 0 81 0V 0 6 0V 0 81 0V 0 6 0V 0 81 0V 0 6 0V 0 81 0V Resolution 0 1 mV 1 35 mV 0 1 mV 1 35 mV 0 1 mV 1 35 mV 0 1 mV 1 35 mV 0 1 mV 1 35 mV 0...

Страница 25: ...Dimensions Weight MODEL 42L0860 42L0824 42L0803 DIMENSIONS AND WEIGHT Dimensions H x W x D 143 x 108 x 405 mm 5 6 x 4 25 x 16 0 Weight Net 3 5 kg 7 7 lbs 3 7 kg 7 7 lbs 3 7 kg 7 7 lbs 4 9 Environment...

Страница 26: ...L Series Modular DC Load Operation Manual Page 26 of 88 4 10 Voltage versus Current Operating Envelope Charts Following charts show constant power operating envelopes for each module For operation at...

Страница 27: ...NS Entire Contents Copyright 2014 by Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 27 of 88...

Страница 28: ...NS Entire Contents Copyright 2014 by Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 28 of 88...

Страница 29: ...NS Entire Contents Copyright 2014 by Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 29 of 88...

Страница 30: ...ll be shipped already installed from the factory If a load module requires installation or removal in the field the end user can perform this task easily using the steps below CAUTION The 4 Series loa...

Страница 31: ...PS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 31 of 88 Figure 5 1 Load Module Removal 5 2 2 Module Installation To inst...

Страница 32: ...osition 2 Verify that the rear panel voltage selector of the chassis is correctly set 3 Check that nothing is connected to any of the DC INPUT load input terminals on the front and or rear panels 4 Co...

Страница 33: ...s turned off When setting up for a new test and connecting any equipment to the DC load proceed as follows 1 Always make sure the DC load is turned OFF at the POWER switch when making any wire connect...

Страница 34: ...dependently Rise and fall slew rates can be independently programmed This allows an independent controlled transition from Low load current level to High load current level Rise current slew rate or f...

Страница 35: ...authorization from APS 42L Series Modular DC Load Operation Manual Page 35 of 88 There are two load current ranges in 42L Series Load Range I and Range II the Rise and Fall slews rate range for both...

Страница 36: ...ogramming of this manual for an overview of available programming commands 6 1 Front Panel Layout The front panel layout is shown in Figure 6 1 below Rack handles and ears are shown but can be removed...

Страница 37: ...est key and indicator 19 OCP Over Current Protection Test key 20 OPP Over Power Protection Test key 21 SHORT OCP OPP Start Stop 22 Shuttle Knob parameter selection slew and cursor keys 23 DC Input Ter...

Страница 38: ...nimum load resistance of Range I and will be set to Range II when the programmed load resistance is lower than the minimum load resistance of Range I CV Mode Range I indicates low load voltage operati...

Страница 39: ...st Enable and OPP Setting programming Display will show OPP OCP OCP test Enable and OCP Setting programming Display will show OCP During Short OCP and OPP test programming this display will show sense...

Страница 40: ...Hi level high time T Lo level low time programming value display the unit is ms b Rise Fall current slew rate programming value display the unit is m A us 4 Config ON mode display will individually s...

Страница 41: ...Device under Test turns ON the output voltage of D U T will increase up from 0 to rated output voltage The electronic load will start to sink current after load voltage is higher than load ON voltage...

Страница 42: ...gh level equals the Low level the Automatic level function will adjust the Low level value so the High level value can continue to be adjusted 14 PRESET ON OFF key and LED In PRESET OFF state the load...

Страница 43: ...ey setting includes the GO NG check of digital voltage meter Upper Lower limit current meter Upper Lower limit and watt meter Upper Lower limit within the Limit key setting The setting sequence is sho...

Страница 44: ...ys V_Lo lower 5 digit LCD displays the unit in V The V_Lo set range is from 0 000V to 80 000V Adjust in 0 001V steps by rotating the dial Setting Upper limit current I_Hi Middle 5 digit LCD displays I...

Страница 45: ...fall Thigh and Tlow Parameters can be changed using the rotary knob Press any key to escape the DYN parameter setting mode 1 Press DYN setting key LED will turn ON 2 Setting level High Period Middle 5...

Страница 46: ...in ms The time during which the waveform is low includes the fall time and is set in ms The RISE and FALL times are set in mA s or A s The actual engineering unit is shown in the bottom right corner...

Страница 47: ...he middle 5 digit LCD display will show FALL The lower 5 digit LCD display will show the current slew rate in mA s The slew rate range is from 4mA s to 255mA s Adjust in 1mA s steps by rotating the di...

Страница 48: ...to 25V in 0 1V steps Adjust by rotating the dial If the input voltage to the load is greater than the Load ON voltage setting the load starts to sink current Setting the LOAD OFF voltage levels Press...

Страница 49: ...r setting key There are three parameters for the SHORT test function The parameters are TIME V Hi and V Lo Press the SHORT key again to set short test time when the SHORT test function is enabled Pres...

Страница 50: ...ow SHORT V Hi and 0 00V or initial setup value from top to bottom The V Hi setting range is from 0 00 to 60 00V in 0 01V steps and can be adjusted by turning the rotary knob c V Lo Short test voltage...

Страница 51: ...s pressed to stop the short test However the load will stay in the ON state if the load was ON before SHORT test execution The SHORT test function is used to the UUT s short circuit protection functio...

Страница 52: ...P ISTOP and Vth Press the OCP key again to set the OCP test parameter ISTAR start current point Press the OCP key again to proceed to the next parameter in order of ISTEP ISTOP Vth and Disable Press a...

Страница 53: ...ale of the CC mode specification This parameter can be adjusted by turning the rotary knob c ISTOP Setting the stop current point The LCD display shows OCP ISTOP and 120 0A actual value depends on 42L...

Страница 54: ...ad will remain in the ON state if the load was ON before OCP test execution The OCP test function tests the UUT s over current protection function The OCP test will start sinking current from I START...

Страница 55: ...e OPP key again to proceed to the next parameter in order of PSTEP PSTOP Vth and Disable Press any other key to exit and save the OPP setting The OPP test parameter descriptions are as follows a PSTAR...

Страница 56: ...le of the Voltage specification The setting is by rotating the dial 3 START STOP Test key Press START STOP key to start or stop the OPP test when the OPP test function is enabled The load will go to t...

Страница 57: ...START STOP key to stop the short test The load will stay to ON If it was ON before short test 3 The SHORT OCP OPP test functions are used to test the circuit protection of a unit under test These test...

Страница 58: ...ents flashing digit setting value by one count NOTE In CR MODE the Right and Up Cursor keys decrease setting value In CR MODE the Left and Down Cursors keys increase setting value 23 Load Input Banana...

Страница 59: ...corresponding module number The strings shown in the square blocks are programming commands Please follow the flow chart sequence for optimal and effective load settings The load mode CC CR CV CP sho...

Страница 60: ...n test environment 6 4 1 Limits The Go NoGo is based on comparing measurement data against user provided upper and lower limit settings for voltage current and power in the LIMIT system This creates a...

Страница 61: ...Load Operation Manual Page 61 of 88 6 4 3 Go NoGo Testing in CC Dynamic Mode In dynamic constant current mode the voltage limits are used to determine the pass or fail area for the input voltage Figu...

Страница 62: ...ries Modular DC Load Operation Manual Page 62 of 88 6 4 5 Go NoGo Testing in CV Mode In constant voltage mode the current limits are used to determine the pass or fail area for the load current Figure...

Страница 63: ...60 00 A CR L Preset 80100 I_Lo 0 0000 A CV H Preset 81 000 V W_Hi 250 20 W CV L Preset 81 000 V W_Lo 0 000 W CP L Preset 0 000 W CONFIG SENSE Auto CP H Preset 0 000 W LD ON 1 0 V DYN T HI 0 050 ms LD...

Страница 64: ...ONFIG SENSE Auto CP H Preset 0 000 W LD ON 1 0 V DYN T HI 0 050 ms LD OFF 0 500 V T L0 0 050 ms POLAR LOAD RISE 100 0 mA s SHORT Disabled FALL 100 0 mA s OPP Disabled OCP Disabled Table 6 4 Model 42L0...

Страница 65: ...ion and Section 2 4 Safety Notices before making any load connections 7 1 1 Banana Jack Connectors This is the most common way for connecting the equipment to be tested with a 42L series load It is re...

Страница 66: ...long this method will be optimal 7 1 5 Plug Connector and Lead Wire Insertion This method can also be used when the input current is higher than 20A or the connecting lead wire is longer 7 2 Wire Siz...

Страница 67: ...n square millimeters If in doubt regarding the rating of a cable or wire consult your cable supplier Ampacity AWG Size CSA mm 2 Notes 5 0 22 Ampacity of aluminum wire is approx 80 of copper rating 8 3...

Страница 68: ...when it is turned off When setting up for a new test and connecting any equipment to the DC load proceed as follows 1 Always make sure the DC load is turned OFF at the POWER switch when making any wi...

Страница 69: ...ed to connect the negative DC terminal to ground for positive output power supply EUTs It is recommended to connect the positive DC terminal to ground for negative output power supply EUTs When connec...

Страница 70: ...ctual voltage at the EUT may be somewhat higher than is sensed by the load For low current applications the voltage drop may be negligible Figure 7 2 shows the load connection with internal sense mode...

Страница 71: ...ing is made at each individual load module The total load current is the sum of the load currents being taken by each module Figure 7 4 Parallel Load Connection 7 6 2 Allowable Operating Modes It is p...

Страница 72: ...ectronic load can be connected in series with a DC voltage source DC power supply in CV mode with an output voltage greater than 0 8Vdc 42L0860 42L0824 0 3Vdc 42L0803 This allows the device under test...

Страница 73: ...load When an over voltage trip condition has occurred the digital current meter s LCD display will indicate OVP CAUTION Never apply the AC line voltage or an input voltage in excess of specified max...

Страница 74: ...s and any wall is greater than 15cm 6 inches The load can reset the Over Voltage Over Current Overpower and Over Temperature protection if the condition that caused the fault is removed and the LOAD k...

Страница 75: ...the memory locations The BANK number can also be changed to provide additional memory locations 3 Repeat the previous steps as needed to create additional load set ups and saved them to separate memor...

Страница 76: ...quence proceed as follows 1 Press the TEST key on the mainframe to enter the TEST mode 2 Use the numbered STATE keys 1 to 9 to select the previously saved auto sequence 3 Press ENTER to start the auto...

Страница 77: ...urrent over time A total of eight sequence steps will be needed to implement this sequence The program executes steps 1 to 8 in sequence Figure 9 1 Auto Test Sequence Example Illustration The desired...

Страница 78: ...equence location 7 Press up down key to memory bank 3 and state 1 8 Press ENTER key to confirm the sequence memory 9 Press up down key to set the test time for that step T1 T2 10 Press ENTER key to co...

Страница 79: ...nimal programming effort The parameters for the Short Over Power Protection and Over Current Protection tests can all be programmed over the optional computer interfaces The following examples may pro...

Страница 80: ...end the following sequence of commands to the load OPP Test In this example threshold limits are set and the NG signal is enabled REMOTE Set Remote TCONFIG OPP Set OCP test OPP START 3 Set start load...

Страница 81: ...llowing sequence of commands to the load OCP Test This test will start sinking current at 3A and increase to 5A in 1A steps REMOTE Set Remote TCONFIG OCP Set OCP test OCP START 3 Set start load curren...

Страница 82: ...nd syntax for all 4 Series load modules is contained in the 44M0X mainframe operation manuals Refer to any of the 44M01 44M02 or44M04 operating manuals for the 4 Series mainframe Mainframe model 44M01...

Страница 83: ...factory calibration 11 3 Calibration Coefficients The 44M04 mainframe requires no calibration but the 41L 42L 41D and 42D load modules do All calibration is performed through software No manual intern...

Страница 84: ...standards or other normative documents SAFETY Standard applied IEC 61010 1 2001 EMC Standard applied EN 61326 1 2006 Reference Basic Standards EMISSIONS CISPR11 2003 A1 2004 A2 2006 EN 61000 3 2 2006...

Страница 85: ...Assy s x 0 x 0 0 0 Metal Parts 0 0 0 x 0 0 Plastic Parts 0 0 0 0 x x Wiring x 0 0 0 0 0 Packaging x 0 0 0 0 0 Legend 0 Indicates that the concentration of the hazardous substance in all homogeneous ma...

Страница 86: ...ance 13 14 23 37 38 40 41 42 47 58 59 61 63 64 71 Constant Voltage 13 14 23 37 38 40 41 42 47 59 62 63 64 71 72 Contact 8 32 83 Contents 3 Cooling 24 D Display 39 40 58 Dynamic mode 41 46 59 F Feature...

Страница 87: ...Entire Contents Copyright 2014 by Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization from APS 42L Series Modular DC Load Operation Manual Page 87 of 88...

Страница 88: ...12 CE MARK DECLARATION ADAPTIVE Power Systems Worldwide Supplier of Power Equipment TM Copyright 2014 Adaptive Power Systems Inc APS All Rights Reserved No reproduction without written authorization f...

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