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Prodigit 3310F Series Operation Manual

Plug-in electronic load module
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3310F Series
Plug-In Electronic
Load module
Operation manual
S/N:9003310F02 REV:L

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Summary of Contents for Prodigit 3310F Series

  • Page 1 3310F Series Plug-In Electronic Load module Operation manual S/N:9003310F02 REV:L...
  • Page 2 会也可能不会含有所有所列的部件。This table shows where these substances may be found in the supply chain of Prodigit electronic information products, as of the date of sale of the enclosed product. Note that some of the component types listed above may or may not be a part of the enclosed product. ○：表示该有毒有害物质在该部...
  • Page 3 Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. PRODIGIT assumes no liability for the customer's failure to comply with these requirements.
  • Page 4 DECLARATION OF CONFORMITY Company Name: PRODIGIT ELECTRONICS CO., LTD Address: 8/F,No.88, Baojhong Rd., Sindian District, New Taipei City,Taiwan. Declares under sole responsibility that the product as originally delivered Product Names: DC Electronic Loads Model Numbers: 3310F, 3311F, 3312F, 3314F, 3315F, 3300F, 3302F, 3305F...
  • Page 5 SAFETY SYMBOLS Direct current (DC) Alternating current (AC) Both direct alternating Three-phase alternating current Protective earth (ground) On (Supply) Off (Supply) Fuse Caution！Refer to this manual before using the meter. Caution, risk of electric shock CAT IV – Is for measurements performed at the source of the low-voltage installation.
  • Page 6 3310F series module load operation manual Table of Contents Chapter 1 Introduction ··························································································· 1 1-1. ················································································ 1 ENERAL DESCRIPTION 1-2. ······························································································· 7 EATURES 1-3. ············································································· 7 TANDARD CCESSORIES 1-4. ························································································ 9 PECIFICATIONS Chapter 2 Installation ··························································································· 11 2-1. 3310F ····················· 12...
  • Page 7 Fig 1-10 Dynamic Wave form ·················································································· 5 Fig 1-11 Rise Time Transition Limitation ···································································· 6 Fig 2-1 Binding post and withdraw handle on the front panel of 3310F series Plug-in load module ······································································································· 11 Fig 2-2 Plug-in installation and removal ··································································· 13 Fig 2-3 3310F series electronic load module load condition setting flow chart ··················...
  • Page 8 Conversely if the 3310F is required to sink 30A the voltage must be limited to 5V. The power contour of each load module in the 3310F series is shown in Fig 1-1, to 1-5. Fig 1-1 3310F 60V/30A/150W power contour...
  • Page 9 2 PRODIGIT Fig 1-3 3312F 250V/12A/300W power contour Fig 1-4 3314F 500V/12A/300W power contour Fig 1-5 3315F 60V/15A/75W power contour...
  • Page 10 The load will follow this signal assuming it is within it’s range of dynamic response. 1.1.1. CC Mode With the operating mode of Constant Current, the 3310F series electronic load will sink a current in accordance with the programmed value regardless of the input voltage (see Fig.1-6).
  • Page 11 Fig 1-8 Constant Voltage mode 1.1.4. CP Mode: At Constant Power mode, the 3310F series Electronic Load will attempt to sink load power (load voltage * load current) in accordance with the programmed power. (see Fig 1-9). Fig 1-9 Constant Power mode 1.1.5.
  • Page 12 3310F Series Operation Manual 5 LOAD CURRENT HIGH LOAD LOAD LOW LOAD LEVEL FALL SLEW RATE RISE SLEW RATE HIGH Fig 1-10 Dynamic Wave form The dynamic waveform can also be set up via the optional computer interface. Dynamic waveform settings made from the front panel of the load module can also be saved in the memory of the mainframe.
  • Page 13 6 PRODIGIT Slew Rate Slew Rate 100 % 90 % 10 % Time Expected time Actual Time Fig 1-11 Rise Time Transition Limitation Therefore, both minimum transition time and slew rate must be considered when determining the actual transition time.
  • Page 14 3310F Series Operation Manual 7 1-2. Features The main features of the 3310F series of load modules are highlighted below. • Bench top and rack mounting flexibility with single, dual and 4 slot mainframes • CC, CR, CV, CP, Dynamic, and Short Operating Mode.
  • Page 15 8 PRODIGIT 1.3.1 Accessories Installation Description...
  • Page 16 3310F Series Operation Manual 9 1-4. Specifications Model 3310F 3311F 3312F Power 150W 300W 300W Current Voltage 250V Min. Operating Voltage 0.6V @ 30A 0.6V @60A 1V @ 12A Protections Over Power Protection(OPP) 105% 105% 105% Over Current Protection(OCP) 105%...
  • Page 17 0.5 Ω 0.02Ω Maximum Short Current Table 1-1 3310F Series Specification Note *1: The range is automatically or forcing to range II only in CC mode Note *2: Power F.S. = Vrange F.S. x Irange F.S. Note *3 : Operating temperature range is 0~40℃, All specifications apply for 25℃±5℃...
  • Page 18 3300F (quad module mainframe). The same procedure is used for the 3302F (single module mainframe) and the 3305F (dual module mainframe). Please note that the 3310F series load module does not need any user adjustment after it has been plugged in to the mainframe.
  • Page 19 It is easy for the user to reconfigure the mainframes by changing or adding different load modules. The following procedure should be followed for installing or removing the 3310F series load module in or out from the 3300F /3302F/3305F.
  • Page 20 3310F Series Operation Manual 13 Fig 2-2 Plug-in installation and removal 2-2. Environmental requirements • Indoor use. • Measurement Category I. • Pollution Degree 2. • Relative Humidity 80% Max. • Ambient Temperature 0 to +40°C • Altitude up to 2000m.
  • Page 21 14 PRODIGIT 2-4. Cleaning Use a soft or slightly damp cloth to clean this product. BEFORE you clean the unit, switch the mains power off and disconnect the input lead. ・ Please do NOT use any organic solvent capable of changing the nature of the plastic such as benzene or acetone.
  • Page 22 V-sense control, Load ON voltage, and load OFF voltage is within the Limit key setting. Others key (Load ON/OFF, Short ON/OFF) can be controlled independently. Note: 3310F series electronic load Dynamic mode, when in CR Mode Range I only have this Feature. START CHAN 1...
  • Page 23 16 PRODIGIT Chapter 3 Operation This chapter describes the front panel operation of each 3310F series load module. Please note that the memory store/recall function and the GPIB/RS-232C/USB/LAN remote programming terms are detailed in the separate 3300F/3302F/3305F mainframe operation manual.
  • Page 24 LCD Indicator There are four operating modes that can be selected by pressing the "MODE" key on the 3310F series Electronic Load module. The sequence is Constant Current (CC), Constant Resistance (CR), Constant Voltage (CV), Constant Power (CP). Each time the "MODE" key is pressed the operating mode is changed.
  • Page 25 18 PRODIGIT If V-sense is set to ‘ON’ and the sense terminals are connected to the DUT the load will check and compensate for all voltage drops. Test Mode: If the SHORT, OPP or OCP buttons are pressed the upper display will show a text Message that correlates with the selected test function.
  • Page 26 3310F Series Operation Manual 19 • If CC mode is selected the lower display provides setting in amps "A". • If CR mode is selected the lower display provides setting in ohms “Ω” • If CV mode is selected the lower display provides setting in volts “V”.
  • Page 27 3.2.8. and CC, CR, CV, CP Indicator There are four operating modes. These can be selected in turn by pressing the "MODE" key on the 3310F series Electronic Load module. The sequence is: (CC) Constant Current  (CR) Constant Resistance ...
  • Page 28 3.2.11. key and LED The 3310F series Load Module features 2 setting ranges for CC, CR, CV & CP Operation. This allows improved resolution for setting low values. When left in the Default AUTO mode the changeover between ranges is automatic depending on The setting value entered.
  • Page 29 22 PRODIGIT LEVEL 3.2.12. key and LED The LEVEL button is used to program a High or Low load value. The setting value Changes between current, resistance, voltage or power depending whether CC, CR, CV or CP mode has been selected. If the LED is lit then the High level value setting Has been enabled.
  • Page 30 3310F Series Operation Manual 23 3.2.13.1. Constant Current (CC) mode: The High and Low levels of load current can be preset at lower 5 digit LCD. The "A" LED will be lit indicating the setting value is amps. 3.2.13.2. Constant Resistance (CR) mode: The High and Low levels of load resistance can be preset on the lower 5 Digit LCD.
  • Page 31 24 PRODIGIT Setting Upper limit voltage VH , Middle 5 digit LCD display「V-Hi」,lower 5  digit LCD display the unit is "V" ,The V-Hi set range from 0.000 V to 60.000V step 0.001V by rotating the Setting knob. Setting lower limit voltage VL, Middle 5 digit LCD display「V-Lo」,lower 5 ...
  • Page 32 3310F Series Operation Manual 25 Setting Upper limit current IH , Middle 5 digit LCD display「I-Hi」,lower 5  digit LCD display the unit is "A”, The I-Hi set range from 0.000 A to 60.000A step 0.001A by rotating the Setting knob.
  • Page 33 26 PRODIGIT CC mode, press limits key to set the V-Hi and V-Lo voltage upper and lower  limits of the GO / NG. Current Load Current Voltage High CC Dynamic Mode, press key to set the Level Hi and Level Low voltage ...
  • Page 34 3310F Series Operation Manual 27 CV mode, press limits key to set the I-Hi and I-Lo Current upper and lower  limits of the GO / NG. High Load Current Voltage Load lnput Voltage CP mode, press limits key to set the W-Hi and W-Lo power upper and lower ...
  • Page 35 28 PRODIGIT The time that the waveform is high includes the rise time and is set in “ms” The time that the waveform is low includes the fall time and is set in “ms” The RISE and FALL time is set in “mA/μs” or “A/μs”. The actual engineering unit is...
  • Page 36 3310F Series Operation Manual 29 Setting rise time, Middle 5 digit LCD display will show 「RISE」, Lower 5  digit LCD display will show setting value, the unit is “mA/μs” , The RISE time set range from 4 mA/us to 255 mA/us step 1mA/us by rotating the Setting knob.
  • Page 37 30 PRODIGIT Note 1: The adjustable LDon (LOAD ON) voltage is valid for CC, CR & CP operating Modes. The adjusted LDon voltage will not operate in CV mode. Note 2: The LDon (LOAD ON) voltage setting cannot be lower than the LDoff (LOAD OFF) voltage.
  • Page 38 REMOTE input (see 330XF manual). The MPPT algorithm for 3310F series DC Load Many photovoltaic (PV) devices, such as PV panels and concentrated photovoltaic (CPV) modules, require outdoor testing for design verification, durability, and safety. A low cost means of testing the output power of PV devices outdoors is to use DC electronic load;...
  • Page 39 I/O latency between the computer and the eload. This I/O latency is the main bottleneck affecting tracking speed. With that in mind, we chose and modified the MPPT algorithm discussed in this article to meet the needs of a PV test system using the 3310F series eload.
  • Page 40 3310F Series Operation Manual 33 STEP2:P&O How to operating MPPT in 3310F series load Remote Operation with remote command: Power ON 3310F series Load Connecting UUT (PV panel) to load input terminal Sent MPPT parameters,. Sent command MPPT ON to start tracking MPP of UUT, the record data is no limitation...
  • Page 41 34 PRODIGIT 3311F at r2.05 version above is enabled. 3312F at r2.05 version above is enabled. 3314F at r2.05 version above is enabled. 3315F at r2.05 version above is enabled. Short 3.2.17. The SHORT key allows the parameters of a SHORT circuit test to be entered.
  • Page 42 3310F Series Operation Manual 35 lower 5 digit LCD display 「CONTI」, the unit is "ms". TIME: setting the short test time, The LCD display show 「SHORT」 on  upper 5 digits LCD display, shows 「TIME」on middle 5 digits LCD display the unit is “ms”...
  • Page 43 36 PRODIGIT falls outside the V_Hi and V_Lo threshold levels during the test. The NG flag will also illuminate. Note 3: If continuous short time is selected the test is ended by pressing the red START/STOP button. 3.2.18. The OCP key allows the parameters of an Over Current Protection test to be entered.
  • Page 44 3310F Series Operation Manual 37 ISTAR: setting the start current point, The LCD display shows 「OCP」on  upper 5 digit LCD display, Middle 5 digit LCD display「ISTAR」,lower 5 value digit LCD display setting , the unit is "A". The setting range is 0.000A to the full scale of the CC mode specification.
  • Page 45 38 PRODIGIT Note 1: The message OCP ERROR will be displayed if the DUT fails the test. The reasons for failure are due to one of the following conditions: (a) the voltage level of the DUT falls below the set voltage threshold (OCP Vth) during the test (b) The current taken from the DUT reaches the OCP I STOP setting.
  • Page 46 3310F Series Operation Manual 39 PSTAR: setting the start power, The LCD display shows 「OPP」on upper  5 digit LCD display, Middle 5 digit LCD display「PSTAR」,lower 5 digit value LCD display setting , the unit is "W", the setting range is 0.00W to the full scale of the CP mode specification.
  • Page 47 40 PRODIGIT Vth : Setting threshold voltage; The LCD display shows 「OPP」on upper 5  digit LCD display, Middle 5 digit LCD display「Vth」,lower 5 digit LCD value display setting , the unit is "V", the setting range is 0.000V to the full scale of the Voltage specification.
  • Page 48 3310F Series Operation Manual 41 3.2.21. ROTARY Knob and ARROW Keys The ROTARY knob and ARROW keys are used to increase or decrease the set values. CLOCKWISE operation of the ROTARY Knob increases the setting value.  ANTI-CLOCKWISE operation of the ROTARY Knob decreases the setting value.
  • Page 49 3.2.23. V-sense input terminal The V-sense terminals can be used to compensate for a voltage drop in the load lines between the power supply and the 3310F series Electronic Load. This is a useful feature useful when the load current is relatively high.
  • Page 50 3310F Series Operation Manual 43 Fig 3-2 typical connection of 3310F series load module 3.2.24. I-monitor The I-monitor is provided as a BNC socket. It is designed to enable the user to Monitor the Electronic Load’s input current or short current. The I-monitor’s signal Is 0V to 10V.
  • Page 51 44 PRODIGIT Drain Load+ Gate MOSFET_Nch source Power Supply Ref_V Shunt R Load- IMonitor Fig 3-3 An equivalent circuit in terms of the current monitor Connecting the I-monitor to an oscilloscope When you connect this product to an oscilloscope, please ensure the correct polarities of the connecting probes as shown in Fig.
  • Page 52 3310F Series Operation Manual 45 Fig 3-5 (Wrong) Connections to an oscilloscope If the probes connection is reversed as shown in Fig 3-5, a large current would flow through the probe and the internal circuitry of the oscilloscope is likely to be damaged.
  • Page 53 46 PRODIGIT 3.2.25. The withdraw handle The following procedure details how to remove the 3310F series Load Module from the mainframe. Firstly ensure that the mains power to the 3300F/3302F/3305F mainframe is  Switched off. Failure to do so may result in damage to the load module.
  • Page 54 3310F Series Operation Manual 47 3.2.26. Analog programming input The Electronic Load has an analog programming input on the rear panel of the mainframe. The analogue programming input enables the load module to track and load according to an external 0-10V (ac or ac + dc) signal.
  • Page 55 48 PRODIGIT 3-3 Initial setting of 3310F series load module The following tables detail the initial settings of the 3310F series of Load Modules when Shipped from the factory. Item Initial value Item Initial value CC L+Preset 0.0000 A V_Hi 60.000 V...
  • Page 56 3310F Series Operation Manual 49 Item Initial value Item Initial value CC L+Preset 0.0000 A V_Hi 250.00 V CC H+Preset 0.0000 A V_Lo 0.00 V CR H+Preset 1500 KΩ I_Hi 12.0000 A LIMIT CR L+Preset 1500 KΩ I_Lo 0.0000A CV H+Preset 250.00V...
  • Page 57 50 PRODIGIT Item Initial value Item Initial value CC L+Preset 0.00000 A V_Hi 60.000 V CC H+Preset 0.00000 A V_Lo 0.000 V CR H+Preset 240KΩ I_Hi 15.0000 A LIMIT CR L+Preset 240KΩ I_Lo 0.0000A CV H+Preset 60.000V W_Hi 75.000 W CV L+Preset 60.000V...
  • Page 58 3310F Series Operation Manual 51 A major consideration in making the input connection is the wire size. The minimum wire size is required to prevent overheating and to maintain good regulation. It is recommended that the wires should be large enough to limit the voltage drop to less than 0.5V per lead.
  • Page 59 The OVP level is 105% of the 3310Fs nominal voltage rating. CAUTION: Never apply an AC voltage to the input of the 3310F series Load. Do not apply a DC voltage that is higher than 3310F Load Module’s rating. If this advice is ignored it is likely that damage will be caused to the electronic load module.
  • Page 60 If a reverse polarity situation occurs the load will sink power even if the LOAD button is OFF. No current will be displayed on the 3310F series load module. Current up to the load’s maximum current rating will be tolerated in reverse polarity. However there is no OVP OCP and OPP protection.
  • Page 61 When connected in local sense mode the 5 digit voltage meter of the 3310F series Electronic load measures the voltage at its DC input terminals. The connecting leads between the DUT and the Electronic Load should be bundled or tie wrapped together to minimize inductance.
  • Page 62 3310F Series Operation Manual 55 4-2 Remote sense connections Remote sensing compensates for the voltage drop in applications that require long lead lengths. It is useful under low voltage high current conditions. The remote voltage sense terminals (Vs+) and (Vs-) of the load are connected to (+) and (-) output of the DC Source.
  • Page 63 56 PRODIGIT 4-3 Constant Current mode application The Constant Current (CC) mode is ideal for testing the Load Regulation, Cross Regulation, Output Voltage and Dynamic Regulation of the power supply under test. The CC mode can also be used to test the Discharge Characteristics and the Life Cycle of cells and battery packs.
  • Page 64 The 3310F series load module will track and load according to the external signal as long as it is within its dynamic capability. The input signal can be the range of 0-10V(dc+ac).
  • Page 65 58 PRODIGIT 4.3.4 CC Mode Operating Instructions Example: PSU 5 V / 3 A, CC mode, Level HI 3.000A, Level 1.500A 4.3.4.1 . These can be selected in turn by pressing the "MODE" key (8), LCD will illuminate According to the operating mode is selected CC.
  • Page 66 3310F Series Operation Manual 59 4.3.4.4 .. Pressing the “LOAD “ Key(9) LOAD button lit(Load on), Pressing the "LEVEL" key(12), LED Once will illuminate, Select is “LEVEL Hi” 4.3.4.5 .. Pressing the "LEVEL" key(12), LED Once will off, Select is “LEVEL Lo”...
  • Page 67 60 PRODIGIT CURRENT SOURCE INPUT LOAD ELECTRONIC CV MODE CONSTANT VOLTAGE SETTING CV SETTING INPUT VOLTAGE LOAD CURRENT POWER SUPPLY CURRENT LIMIT TESTING Fig 4-5 Constant Voltage mode application 4.4.3 CV Mode Operating Instructions Example: PSU 5 V / 1A, CV mode, Level HI 4.000V, Level 3.000V 4.4.3.1.
  • Page 68 3310F Series Operation Manual 61 4.4.3.2.2. Pressing the LEVEL key (12) LED once will illuminate, Select LEVEL Hi, Adjusted by the rotary knob and arrow key (21) can be read from the lower Display during Setting 4.0000V. 4.4.3.3. Pressing the "Preset" Key (13) LED once will cause the button to off, Leave setting Mode.
  • Page 69 This is because in CR mode the current and voltage ramp up together providing a ‘soft start’ when compared to standard CC mode. However please note that with the 3310F series of Electronic Loads allow an adjustable current ramp can be set. This feature is found within the dynamic settings as RISE slew rate.
  • Page 70 3310F Series Operation Manual 63 4.5.2 CR Mode Operating Instructions Example: PSU 5 V / 3 A, CR mode, Level HI 2.0 Ohm, Level Lo 4.0 Ohm 4.5.2.1. These can be selected in turn by pressing the "MODE" key (8), LCD will illuminate According to the operating mode is selected CR 4.5.2.2.
  • Page 71 64 PRODIGIT 4.5.2.4. Pressing the “LOAD “Key (9) LOAD button lit (Load on), Pressing the "LEVEL" Key (12), LED Once will illuminate, Select is “LEVEL Hi” 4.5.2.5. Pressing the "LEVEL" key(12), LED Once will off, Select is “LEVEL Lo”...
  • Page 72 (Fig 4-7b). Operating the 3310F series electronic load in CP mode is ideal for testing the characteristics of a battery. This is because as the battery voltage drops the load current will automatically increase in order to keep the CP setting.
  • Page 73 66 PRODIGIT 4.6.2. CP Mode Operating Instructions Example: PSU 5 V / 3 A, CC mode, Level HI 10.00W, Level 5.000W 4.6.2.1. These can be selected in turn by pressing the "MODE" key (8), LCD will illuminate According to the operating mode is selected CP.
  • Page 74 4.6.2.5. Pressing the "LEVEL" key (12), LED Once will off, Select is “LEVEL Lo”. 4-7 The connection of a multiple output power supply The following is a rule for a multiple output power supply connects to the 3310F series Electronic Loads.
  • Page 75 4-8 Parallel operation It is possible to operate load modules in parallel if the power and/or current capability of a single 3310F series load module is not sufficient. The positive and negative outputs of the power supply are connected individually to each load module as shown in the Fig 4-9 below.
  • Page 76 3310F Series Operation Manual 69 4-9 Zero-Volt loading application As shown in Fig 4-10, the Electronic load can be connected in series with a DC voltage source which output voltage greater than 0.6V (3310F,3311F), 1V (3312F), 6V(3314F) or 0.3V(3315F) so that the device under test that are connected to the Electronic load can be operated down to a Zero- Volt condition, the DC voltage source provides the minimum 0.6V...
  • Page 77 SET OPP: STEP SP NR2 SET SVL SP NR2 SET OCP:STOP SP NR2 SET OPP:STOP SP NR2 SET STIME SP NR2 VTH NR2 START TESTING? OCP? OPP? STOP Fig 4-11 3310F series electronic load OCP, OPP, SHORT operation flow chart...
  • Page 78 3310F Series Operation Manual 71 4-11 Power Supply OCP testing 4.11.1 OCP Manual control Example: 4.11.1.1. First, press Limit Key function to setting I_Hi 6A. 4.11.1.2. Press Limit Key function to setting I_Lo 0A. 4.11.1.3. Setting OCP test, press OCP key to the next step.
  • Page 79 72 PRODIGIT 4.11.1.7. Setting OCP VTH 0.600V, press OCP key to the next step. 4.11.1.8. Press START/STOP test key. 4.11.1.9. the UUT’s output voltage drop-out lower than the threshold voltage(V-th setting), and the OCP trip point is between I_Hi and I_Lo limitation, then middle 5 digits LCD display will shows "PASS", otherwise shows "FAIL".
  • Page 80 3310F Series Operation Manual 73 4-12 Power Supply OPP testing 4.12.1 OPP Manual control Example: 4.12.1.1. First, press Limit Key function to setting W_Hi 30.00W.. 4.12.1.2. press Limit Key function to setting W_Lo 0W.. 4.12.1.3. Setting OPP test, press OPP key to the next step.
  • Page 81 74 PRODIGIT 4.12.1.7. Setting OPP VTH 0.600V，press OPP key to the next step. 4.12.1.8. Press START/STOP Test key. 4.12.1.9. the UUT’s output voltage drop-out lower than the threshold voltage (V-th setting), and the OPP trip point is between W_Hi and W_Lo limitation, then lower 5 digits LCD display will shows "PASS", otherwise shows...
  • Page 82 3310F Series Operation Manual 75 4-13 SHORT testing 4.13.1. SHORT Manual control Example 4.13.1.1. Setting SHORT test, press Short key to the next step. 4.13.1.2. Press UP key, setting Short time to 10000ms, press Short key to the next Step.
  • Page 83 76 PRODIGIT 4.13.1.7. The UUT’s not drop voltage is between V_Hi and V_Lo limitation, LCD display will shows FAIL. 4.13.2. Remote control SHORT EX ： REMOTE （Set Remote） TCONFIG SHORT （ Set SHORT test） STIME 1 （Set short time 1ms）...