ITech IT6600C Series User Manual

Bidirectional programmable dc power supply

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Bidirectional Programmable

DC Power Supply

IT6600C Series User Manual

Model: IT6600C

Version: V1.1/2024.08

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Summary of Contents for ITech IT6600C Series

Page 1 Bidirectional Programmable DC Power Supply IT6600C Series User Manual Model: IT6600C Version: V1.1/2024.08...
Page 2 Notices Warranty Safety Notices © Itech Electronic, Co., Ltd. 2024 The materials contained in this No part of this manual may be document are provided “as is”, and reproduced in any form or by any is subject to change, without prior means ( including electronic storage notice, in future editions.
Page 3 Warranty ITECH warrants that the product will be free from defects in material and workmanship under normal use for a period of one ( 1) year from the date of delivery ( except those described in the Limitation of Warranty below).
Page 4 Failure to comply with these precautions or specific warnings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no liability for the customer’s failure to comply with these precautions.
Page 5 To make accurate measurements, allow the instrument to warm up for 30 min. Regulatory Markings The CE mark indicates that the product complies with all the relevant European legal directives. The specific year ( if any) affixed refers to the year when the design was approved. Copyright ©ITECH Electronic Co., Ltd.
Page 6 With reference to the equipment classifications described in the Annex 1 of the WEEE Directive, this instrument is classified as a “Monitoring and Control Instrument”. To return this unwanted instrument, contact your nearest ITECH office. Copyright ©ITECH Electronic Co., Ltd.
Page 7 3. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010+A1:2016 Note This section provides general and universal terms. For more detailed information on the Declaration of Conformity, please contact ITECH personnel. Copyright ©ITECH Electronic Co., Ltd.
Page 8 4.4 LIST Function ..............................45 4.4.1 ARB Function ............................... 49 4.5 Battery Charging/Discharging Test Function ...................... 53 4.6 Battery Simulation Function ..........................55 4.7 Built-in Waveform Function ..........................61 4.7.1 DIN40839 ..............................61 4.7.2 ISO16750-2 ..............................63 Copyright ©ITECH Electronic Co., Ltd.
Page 9 8.2.3 Using Sockets ............................182 8.2.4 Using VNC ..............................182 8.3 CAN Interface ..............................184 8.4 GPIB Interface (Optional) ..........................185 8.5 RS-232 Interface (Optional) ..........................186 Appendix ................................188 Specifications of Red and Black Test Lines ......................188 Copyright ©ITECH Electronic Co., Ltd.
Page 10 3-5 normal power supplies, it can be applied to various applications requiring high voltage or high current. IT6600C series is not only a power supply, but also an excellent electronic load. It can not only output power as a DC power supply, but also act as a DC electronic load, absorbing power and feeding clean power back to the grid to realize energy recycling.
Page 11 Parallel output Series Output output specifications Specifications specifications 1200V/±50A/±21kW*2ch 1200V/±100A/±42kW*1ch 2250V/±50A/±42kW*1ch IT6642C-2250-100 1200V/±100A/±42kW*2ch 1200V/±200A/±84kW*1ch 2250V/±100A/±84kW*1ch IT6684C-2250-200 1200V/±150A/±63kW*2ch 1200V/±300A/±126kW*1ch 2250V/±150A/±126kW*1ch IT66126C-2250-300 1200V/±200A/±84kW*2ch 1200V/±400A/±168kW*1ch 2250V/±200A/±168kW*1ch IT66168C-2250-400 1200V/±250A/±105kW*2ch 1200V/±500A/±210kW*1ch 2250V/±250A/±210kW*1ch IT66210C-2250-500 1200V/±300A/±126kW*2ch 1200V/±600A/±252kW*1ch 2250V/±300A/±252kW*1ch IT66252C-2250-600 1200V/±350A/±147kW*2ch 1200V/±700A/±294kW*1ch 2250V/±350A/±294kW*1ch IT66294C-2250-700 Copyright ©ITECH Electronic Co., Ltd.
Page 12 Height Model Dual-channel Parallel output Series Output output specifications Specifications specifications 1200V/±100A/±42kW*2ch 1200V/±200A/±84kW*1ch 2250V/±100A/±84kW*1ch IT6684CM-2250-200 IT66126CM-2250-300 1200V/±150A/±63kW*2ch 1200V/±300A/±126kW*1ch 2250V/±150A/±126kW*1ch 1200V/±200A/±84kW*2ch 1200V/±400A/±168kW*1ch 2250V/±200A/±168kW*1ch IT66168CM-2250-400 IT66210CM-2250-500 1200V/±250A/±105kW*2ch 1200V/±500A/±210kW*1ch 2250V/±250A/±210kW*1ch 1200V/±300A/±126kW*2ch 1200V/±600A/±252kW*1ch 2250V/±300A/±252kW*1ch IT66252CM-2250-600 IT66294CM-2250-700 1200V/±350A/±147kW*2ch 1200V/±700A/±294kW*1ch 2250V/±350A/±294kW*1ch Copyright ©ITECH Electronic Co., Ltd.
Page 13 1200V/±400A/±168kW*2ch 1200V/±800A/±336kW*1ch 2250V/±400A/±336kW*1ch IT66336CM-2250-800 1200V/±450A/±189kW*2ch 1200V/±900A/±378kW*1ch 2250V/±450A/±378kW*1ch IT66378CM-2250-900 Optional accessories The following optional accessories from ITECH are sold separately. Users need to purchase separately. Device Name Model Description GPIB communication IT-E176 When the user needs to use GPIB interface to...
Page 14 27U model. 1. Power indicator light, power lock, power on/off button, emergency stop button. 2. IT6600C master units. Power indicator light, power lock, power on/off button, emergency stop button. Copyright ©ITECH Electronic Co., Ltd.
Page 15 4 Vent hole 5 Function key 6 Number key 7 Up, down, left and right key and 8 Rotary knob enter key 1.4 Keyboard The keyboard introduction of IT6600 series Power Supply is shown as follows. Copyright ©ITECH Electronic Co., Ltd.
Page 16 Firstly, press [shift] and the shift key will be lighted, and then press the function key, the detailed functions are listed as follows. Keys Description [Shift]+[V-set] (Config) Enter to Configuration menu. [Shift]+[I-set] (List) Enter the List function menu. [Shift]+[P-set] (System) Enter the System menu. Copyright ©ITECH Electronic Co., Ltd.
Page 17 After completing the value setting or selecting a menu item, pushing the knob acts like pressing [Enter] key to confirm the operation. 1.5 Rear Panel  One master and multi-slaves series The rear panel of the IT6600 series 3U model is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 18 LAN interface LAN communication interface.  Digital Port terminals/CAN  CAN communication interface CAN-H and interface CAN-L USB interface USB communication interface. Copyright ©ITECH Electronic Co., Ltd.
Page 19 Only the sizes are different. The communication interface for cabinet, the detailed diagram as follows, and the descriptions are the same as 3U model. Output terminals and protective cover. Input terminal, connected to the instrument's power supply. Copyright ©ITECH Electronic Co., Ltd.
Page 20 3. AC input power cable terminals for L1, L2, L3, and PE. Cabinet door. Emergency stop control signal terminal (24V). Pin2 and Pin3 of the terminal are shorted by default, as shown in the figure below. Copyright ©ITECH Electronic Co., Ltd.
Page 21 AC input power cable terminals for L1, L2, L3, and PE. 1.6 Home-Screen Overview IT6600 series power supply adopts touch screen design, the users can easily operation by touch screen. The details of the home screen are described below. Copyright ©ITECH Electronic Co., Ltd.
Page 22 (Sink) is in constant power output. resistance state. The DV source is in Sense indicator. remote mode. 2-channel independent Found USB disk. output mode. 2-channel parallel 2-channel series mode. mode. LIST is running. LIST is finished. Copyright ©ITECH Electronic Co., Ltd.
Page 23 Press the [Menu] key on the front panel and enter to the menu interface. Menu interface will display all of function icon, user can rotate the knob or direction key to select, or click the screen to enter the function interface. Copyright ©ITECH Electronic Co., Ltd.
Page 25 The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the power supply size. The detailed dimension drawings of the IT6600 series are as follows (unit:mm). 3U Model Copyright ©ITECH Electronic Co., Ltd.
Page 32  ITECH 27U and 37U cabinets are equipped with hoisting rings as standard on the top. It is recommended to use a crane equipped with Copyright ©ITECH Electronic Co., Ltd.
Page 33 2 sets of power cords. This is used when the USB communication interface is used for starting up cable remote operation. This is used when the LAN communication interface is used for starting up Copyright ©ITECH Electronic Co., Ltd.
Page 34 The disconnect device must be close to the equipment, be easily accessible, and be marked as the disconnect device for this equipment. Connecting the power cord 3U models provides the standard power cords as below. Copyright ©ITECH Electronic Co., Ltd.
Page 35 L1, L2 and L3 terminals one by one. b) The yellow-green wire is grounding wire, which is connected to the protective grounding terminal (PE). Copyright ©ITECH Electronic Co., Ltd.
Page 36  Always use test lines provided by ITECH to connect the equipment. If test lines from other factories are used, please check that the test line can withstand maximum current.
Page 37 6. Connect the other end of the red and black cables to the DUT. The positive and negative poles must be properly connected and fastened when wiring. Connecting the DUT (Remote Sensing) Remote measurement is available for the following scenarios: Copyright ©ITECH Electronic Co., Ltd.
Page 38 6. Connect the other end of the remote sense cables to the DUT. 7. Connect the other end of the red and black cables to the DUT. The positive and negative poles must be properly connected and fastened when wiring. Copyright ©ITECH Electronic Co., Ltd.
Page 39 Inspection and Installation 8. Power on the instrument and turn on the Remote Sense function of the instrument. Copyright ©ITECH Electronic Co., Ltd.
Page 40 The disconnect device must be close to the equipment, be easily accessible, and be marked as the disconnect device for this equipment. Copyright ©ITECH Electronic Co., Ltd.
Page 41 Wait until the power is turned off and then start again. If the problem still cannot be solved after restarting, please contact the ITECH engineer. Turning the POWER Switch Off Flip the POWER switch to the ( OFF ) side to turn the instrument off.
Page 42 Pin 5 of Digital IO has an INTERLOCK function. In the default settings of Reverse (Off) and Inhibit-Living, pulling pin 5 low (0V) can disable the machine's output. At this point, the [On/Off] key light is on, but there will be no Copyright ©ITECH Electronic Co., Ltd.
Page 43 Input 0V to Pin5 (positive) and Pin8 (negative), or directly short Pin5 and Pin8. At this point, output is disabled. Input 5V to Pin5 (positive) and Pin8 (negative), or disconnect the short wire between Pin5 and Pin8. At this point, output is restored. Copyright ©ITECH Electronic Co., Ltd.
Page 44 CC mode.  If Is = -10A, Rs = 20Ω (sink current is 100/20 = 5A), and Ps = 3000W (sink current is 3000/100 = 30A), the actual sink current is 5A. In this Copyright ©ITECH Electronic Co., Ltd.
Page 45 Press the up/down key to move the cursor to the Mode function setting and press the [Enter] key to confirm. Rotate the knob to set DC or DC+AC output mode, and press the [Enter] key to confirm. 3. Press [Esc] to exit. Copyright ©ITECH Electronic Co., Ltd.
Page 46 The following figure shows the CV priority operating locus of the output. The area in the white quadrants shows the output as a source (sourcing power). The area in the shaded quadrants shows the output as a load (sinking power). Copyright ©ITECH Electronic Co., Ltd.
Page 47 CC priority operating locus of the output. The area in the white quadrants shows the output as a source (sourcing power). The area in the shaded quadrants shows the output as a load (sinking power). Copyright ©ITECH Electronic Co., Ltd.
Page 48 Press the up/down key to move the cursor to the Loop Speed function setting and press the [Enter] key to confirm. Use the numeric keys to set CC or CV loop response speed, and press the [Enter] key to confirm. Copyright ©ITECH Electronic Co., Ltd.
Page 49 Press the up/down key to move the cursor to the V-Fall function setting and press the [Enter] key to confirm. Use left/right keys and knob to setting the voltage fall slew and press [Enter] to confirm. Copyright ©ITECH Electronic Co., Ltd.
Page 50 When [On/Off] key is lit, indicates the output is disabled, the LCD displays source state is OFF. 4.3 Protection Function Press [Shift]+[Recall] (Protect) and enter to Protect configure menu, where you can set the following protection. Over Voltage Protection Status Configure over-voltage protection: Copyright ©ITECH Electronic Co., Ltd.
Page 51 Set the protection status, protection Level and the delay time in sequence, and press [Enter] to confirm. Clear OVP Protection When OVP protection occurs, the instrument responds as follows:  Instrument output is off.  The instrument emits an alarm sound every 3 seconds. Copyright ©ITECH Electronic Co., Ltd.
Page 52 To clear the OPP and return to normal operation, firstly remove the conditions that caused the protection fault. Press [Shift] +[Esc] key (or send the command PROTection:CLEar) to clear the protection status. The message displayed in Copyright ©ITECH Electronic Co., Ltd.
Page 53 The voltage output can be adjusted between 1% and 100% of Vmax, while the current output and power output can be adjusted between 0% and 100%. You can set upper limits for the output voltage, current, and power in the Protection Copyright ©ITECH Electronic Co., Ltd.
Page 54 List file to run according to the selected trigger mode. Introduction of List interface CH1 status bar: displays the output status of power channel 1. CH2 status bar: displays the output status of power channel 2. Copyright ©ITECH Electronic Co., Ltd.
Page 55 The following takes CV priority mode as an example to introduce the operation of editing three test steps. Press [Shift]+[I-set](List) on the front panel to enter the List function main interface. Click the [Edit] key on the screen and enter to the List file edit interface. Copyright ©ITECH Electronic Co., Ltd.
Page 56 Bus: Bus trigger. When the trigger command *TRG is received, the instrument generates a trigger.  External: Indicates the trigger occurs via the pin 4 of the digital I/O interface (P-IO). For details, see 5.9 Digital I/O Function. Copyright ©ITECH Electronic Co., Ltd.
Page 57 Open the Excel document and save it as in “other formats” i.e. “(*.csv)”. Open the 5.csv document and edit the List. Set every step of the List and corresponding parameters and save the document in the USB disk. Copyright ©ITECH Electronic Co., Ltd.
Page 58 USB disk. 4.4.1 ARB Function This series of instruments comes standard with ARB (arbitrary waveform) function, which allows the output of user-defined arbitrary complex voltage or current waveforms. It can be operated in the following ways: Copyright ©ITECH Electronic Co., Ltd.
Page 59 Import via U disk The instrument supports importing the edited .csv format file (the template can be obtained by contacting ITECH personnel) through the USB interface on the front panel, and generating voltage or current values after parsing, and then outputting complex voltage or current waveforms according to the time width specified by the user.
Page 60 The fields included in the .csv template file are explained as follows: Model Device model, keep the default settings without modification. Firmware Version Firmware version number, keep the default settings without modification. Serial Number Device serial number, keep the default settings Copyright ©ITECH Electronic Co., Ltd.
Page 61 Click ARB on the Menu screen to enter the ARB function main interface. Click the [Open] key on the screen, enter to ARB recall interface. Click usb, select the 8.csv file in the usb, and click [Open] to confirm. The ARB file will be imported. Copyright ©ITECH Electronic Co., Ltd.
Page 62 Press the up/down key to move the cursor to the Mode function setting and press the [Enter] key to confirm. Rotate the knob to select Charge and press the [Enter] key to confirm. Copyright ©ITECH Electronic Co., Ltd.
Page 63 Press the up/down key to move the cursor to the Mode function setting and press the [Enter] key to confirm. Rotate the knob to select Discharge and press the [Enter] key to confirm. Copyright ©ITECH Electronic Co., Ltd.
Page 64 You can set battery-related parameters to simulate the charge and discharge characteristics of the battery to assist with other tests. Introduction of Battery Simulation interface  Userdefined Copyright ©ITECH Electronic Co., Ltd.
Page 65 (Init Voc), and initial capacity (Init CAP) for the current simulated battery. Click [Update] to confirm any modifications. Displays the certain status information during Bat-SIM operation, which can be viewed by sliding up and down.  Curve Copyright ©ITECH Electronic Co., Ltd.
Page 66 Edit Battery Simulation Test File  Edit userdefined battery simulation file Click BMS on the Menu screen to enter the Bat-SIM function main interface. Press [Edit] and enter to the Bat-SIM file edit interface. Copyright ©ITECH Electronic Co., Ltd.
Page 67 End Mode: Set the running state after the Bat- SIM execution is finished. Last: Maintains the final voltage output after the end of charge or discharge. Normal: The device shuts down output and returns to normal. Copyright ©ITECH Electronic Co., Ltd.
Page 68 Protection Soc High: Upper limit of charge soc.  Settings Soc Low: Lower limit of discharge soc.  Charge Curr Max: Upper limit of charge current.  Discharge Curr Max: Lower limit of discharge current. Copyright ©ITECH Electronic Co., Ltd.
Page 69 Press [On/Off] on the front panel, turn on the output. Press [Run] in the Bat-SIM function interface. Press [Shift]+[5](Trigger) on the front panel to run the Bat-SIM test. Click [Stop] to stop the present running. Copyright ©ITECH Electronic Co., Ltd.
Page 70 In this way, the user can create waveform between 8V to 32V. DIN40839 for 12V System Step Voltage(V) Current(A) Width(ms) Slope(ms) 2000 DIN40839 for 24V System Step Voltage(V) Current(A) Width(ms) Slope(ms) 2000 Copyright ©ITECH Electronic Co., Ltd.
Page 71 8V-16V, the waveform is consistent with standard 12V; when the waveform program is divided into 16V-32V, the waveform is consistent with the standard 24V waveform. The waveform diagram is shown below.  8V~16V  16V~32V Copyright ©ITECH Electronic Co., Ltd.
Page 72 This waveform simulates an instantaneous drop in the supply voltage when the car is started. This test simulates the effect when a conventional fuse element melts in another circuit.  12V system  24V system Copyright ©ITECH Electronic Co., Ltd.
Page 73 10 s and perform a functional test. Then decrease the voltage to 0.95 Us min. Continue with steps of 5 % of Us min, as shown in figure below, until the lower value has reached 0 V. Then raise the voltage to Us min again. Copyright ©ITECH Electronic Co., Ltd.
Page 74 Simulates the effects of rippled DC voltage on DC power when the car is started. From the constant voltage line in the original standard DIN40839 voltage waveform, the voltage curve in t8 duration is upgraded to a curve containing a 2Hz AC voltage waveform. Copyright ©ITECH Electronic Co., Ltd.
Page 75 Curve should be selected based on actual test requirements. To create waveform within 12V, follow the set standards as below:  Standards for 24V system: How to recall this waveform from menu (take 12V system as an example): Copyright ©ITECH Electronic Co., Ltd.
Page 76 (clamping diode). The load dump may be caused by cable corrosion, poor cable contact or disconnecting the battery intentionly when the engine is running. The pulse shape and parameters for an alternator without centralized load dump suppression (Test A) are given in follow. Copyright ©ITECH Electronic Co., Ltd.
Page 77 12V system, U = 28V in the 24V system. (see ISO 16750-1).  : Peak voltage. The pulse shape and parameters for an alternator with centralized load dump suppression (Test B) are given in follow. Copyright ©ITECH Electronic Co., Ltd.
Page 78 [Enter] key to confirm. Rotate the knob to select Load- Dump and press the [Enter] key to confirm. 3) Press the up/down key to move the cursor to the Voltage Range function setting and press the [Enter] key to confirm. Press the numeric Copyright ©ITECH Electronic Co., Ltd.
Page 79 U: Voltage (in V) Supply Voltage Transient Drop (Momentary-Drop) Simulate the affect from short circuit when fuse element of another circuit is melt. Detect the function status of the DUT at transient drop of Voltage. Copyright ©ITECH Electronic Co., Ltd.
Page 80 , and so on. As shown in the figure, drop the voltage from U to 0V by 5% and raise the voltage to U . The Rise and Fall time shall be between 10ms and 1s.  t: time (in s) Copyright ©ITECH Electronic Co., Ltd.
Page 81 Press [On/Off] on the front panel, turn on the output. According selected trigger method, for example, press [Shift]+[5](Trigger) to trigger the output of the waveform. 4.7.4 SAEJ1113-11 Test–2B Transient from DC motors acting as generators after ignition switch OFF: Copyright ©ITECH Electronic Co., Ltd.
Page 82 Power Supply Function Parameters ≤0.05Ω ≤0.05Ω 0.2–2s 0.2–2s 1ms±50% 1ms±50% 1ms±50% 1ms±50% 1ms±50% 1ms±50% Test–4 Starter motor engagement disturbance pulse. Parameters Copyright ©ITECH Electronic Co., Ltd.
Page 83 LV123 has been compiled for the electrical characteristics of new energy vehicles for major European car manufacturers. For its high-voltage system parts, the state standard within its operating voltage range is defined. The relevant parameters are introduced as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 84 End time Test time of end voltage, range: 0~999.999S. Count Set the number of test repetitions, ranging from 1 to 65535. Userdefined Select the user-defined LV123 waveform. Voltage Range Unlimited Range of unlimited operating capability, Copyright ©ITECH Electronic Co., Ltd.
Page 85 Start time Test time of starting voltage, range: 0~999.999S. End time Test time of end voltage, range: 0~999.999S. Count Set the number of test repetitions, ranging from 1 to 65535. Unlimited The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 86 750V 170V 250V 520V 140V 255V 350V 635V 300s 300s 300s 300s 3.33ms 3.33ms 3.33ms 3.33ms 6.66ms 6.66ms 6.66ms 6.66ms 3.33ms 3.33ms 3.33ms 3.33ms Upper-limited The waveform is as follows: The parameters are as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 87 750V 195V 350V 460V 760V 140V 255V 350V 635V Lower-limited The waveform is as follows: The parameters are as follows: Parameter HV_1 HV_2a HV_2b HV_3 140V 255V 350V 635V 170V 250V 520V 160V 200V 450V Copyright ©ITECH Electronic Co., Ltd.
Page 88 Power Supply Function 170V 250V 520V 165V 225V 485V 140V 255V 350V 635V Highly-limited The waveform is as follows: The parameters are as follows: Parameter HV_1 HV_2a HV_2b 140V 255V 350V 120V 150V 165V 225V Copyright ©ITECH Electronic Co., Ltd.
Page 89 The built-in curves LV124 can meet general requirements, test conditions and tests of electrical and electronic components in motor vehicles up to 3.5 t. E-01 Long-term overvoltage The component's resistance to long-term overvoltage is tested. A generator control fault during driving operation is simulated. Copyright ©ITECH Electronic Co., Ltd.
Page 90 These overvoltages are simulated by means of this test. This test may be used for the electrical life test. The test pulse of E-02 Transient overvoltage is shown in the figure below: Copyright ©ITECH Electronic Co., Ltd.
Page 91 Transient undervoltages in the electric system may occur due to switching on of loads. These undervoltages are simulated by means of this test. Parameter Description 10.8V 1.8ms 500ms <1.8ms Cycles E-04 Jump Start External starting of the vehicle is simulated. The maximum test voltage results Copyright ©ITECH Electronic Co., Ltd.
Page 92 Dumping of an electric load, in combination with a battery with reduced buffering ability, results in an energy-rich overvoltage pulse due to the generator characteristics. The test pulse of E-05 Load Dump is shown in the figure below: 1Cycle break Copyright ©ITECH Electronic Co., Ltd.
Page 93 This test simulates the slow decrease of the battery voltage to 0 V and the sudden reconnection of the battery voltage e.g. by means of applying a jump start source. The waveform is as follows. Copyright ©ITECH Electronic Co., Ltd.
Page 94 The reset behavior is represented by a voltage variance and a time variance. Two different test sequences are required to simulate different switchoff times. A component must always undergo both sequences. Copyright ©ITECH Electronic Co., Ltd.
Page 95 The starting process may be performed under different vehicle starting conditions, cold start and warm start. In order to cover both cases, two different test sequences are required. A component must always undergo both sequences.  Cold Start Test Pulse 1Cycle Copyright ©ITECH Electronic Co., Ltd.
Page 96 Power Supply Function Parameter Description 13.5V 19ms 50ms 10ms 100ms freq cycles testseq Short/Long  Warm Start Test Pulse 1Cycle Copyright ©ITECH Electronic Co., Ltd.
Page 97 Power Supply Function Parameter Description 13.5V 19ms 50ms 10ms 100ms cycles testseq Short/Long E-12 Voltage Curve with Intelligent Generator Control The behavior of the electric system when intelligent generator controls are used is simulated. Copyright ©ITECH Electronic Co., Ltd.
Page 98 [Enter] key to confirm. Rotate the knob to select Standard and press the [Enter] key to confirm. 4) Set U = 17V, U = 13.5V, t <10ms, t = 3600s and t < 10ms. Press [Run] in the Vehicle function interface. Copyright ©ITECH Electronic Co., Ltd.
Page 99 LV148 covers tests for electric and electronic components in motor vehicles 48V electrical system. The voltage level and definition are shown in the figure below. E-01a Long-term overvoltages The component's resistance to long-term overvoltage is tested. A generator control fault during driving operation is simulated. Copyright ©ITECH Electronic Co., Ltd.
Page 100 E-01b Long-term overvoltages on recuperating components Testing for recuperation components in the electrical system where the energy can not be removed and therefore it results in a over voltage.  >=1s  <=300ms    Copyright ©ITECH Electronic Co., Ltd.
Page 101 These overvoltages are simulated by means of this test. E-03 Transient undervoltages Transient undervoltages in the electric system may occur due to switching on of loads. These undervoltages are simulated by means of this test. Copyright ©ITECH Electronic Co., Ltd.
Page 102 Power Supply Function E-04 Jumpstart / recuperation Jump starting of the vehicle is simulated. The maximum test voltage results from commercial vehicle systems and their elevated electric system voltages. Copyright ©ITECH Electronic Co., Ltd.
Page 103 E-06B Slow decrease and increase of the supply voltage (with energy storage – Part 1) Checks will slow the supply voltage decrease to the energy storage protection voltage, followed by energy storage disconnection. Copyright ©ITECH Electronic Co., Ltd.
Page 104 This test simulates the slow decrease of the vehicle system voltage to the energy storage protection voltage followed by shutdown to 0V and the sudden reconnect the system voltage by a charged or new energy storage battery. Copyright ©ITECH Electronic Co., Ltd.
Page 105 The reset behavior is represented by a voltage variance and a time variance. Two different test sequences are required to simulate different switch- off times. A component must always undergo both sequences. Copyright ©ITECH Electronic Co., Ltd.
Page 106  △U E-10 Start impulses During a cold start (motor start), the energy storage battery voltage decreases for a short, then increases again. The warm start is not considered, because the operating range is maintained. Copyright ©ITECH Electronic Co., Ltd.
Page 107 Power Supply Function E-15 Operation in the range without function restriction. The operating behavior at the range limits is checked. Copyright ©ITECH Electronic Co., Ltd.
Page 108 Power Supply Function E-16 Operation in the upper range with function limitation. The operating behavior with change and at the range limits is checked. Copyright ©ITECH Electronic Co., Ltd.
Page 109 Power Supply Function E-18 Overvoltage range The test is to show the load cut-off during storage charging and check the changes of the operating behavior into the overvoltage range. Copyright ©ITECH Electronic Co., Ltd.
Page 110 [Shift]+[5](Trigger) to trigger the output of the waveform. 4.7.8 ISO21780 TEST-01 The purpose of this test is to verify the component functionality in the nominal voltage range. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 111 Power Supply Function TEST-02 The purpose of this test is to verify the functionality of the component in the upper and lower transitory voltage range.  The waveform of lower range is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 113 Power Supply Function TEST-03 This test is intended to check the immunity of the component to transient overvoltages. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 114 DC/DC converter and whilst the battery is either out of circuit or incapable of absorbing power. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 115 Power Supply Function TEST-05 This test is intended to check the immunity of the component to voltage variations during the cold crank phase. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 116 Power Supply Function TEST-06 This test checks the robustness of the component against a long-term overvoltage. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 117 For these components TEST-04 is applicable. The purpose of this test is to verify that the component alone complies with the voltage range specified here applicable where systematic countermeasures at the vehicle level are not used to ensure compliance. Copyright ©ITECH Electronic Co., Ltd.
Page 118 The waveform is as follows: TEST-08 This test is intended to check immunity of a component to decrease and increase of supply voltages. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 119 This test is intended to check the correct reinitialisation of the component after interruption of onboard power supply. This test shall only be performed on DUT's whose control logic (or parts thereof) is supplied by 48 V. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 120 Examples for this occurrence may be short circuits, switching of loads, disconnecting of batteries and others. This test applies to power consumers and not to power generators. The waveform is as follows: Copyright ©ITECH Electronic Co., Ltd.
Page 122 E-04 This test verifies that the DUT is able to perform as specified when the DC voltage varies in the range between the lower voltage limit and the upper voltage limit. Copyright ©ITECH Electronic Co., Ltd.
Page 123 Power Supply Function Parameter Description Ranges B_220 140V 190V 220V >=30s >=5s >=10s E-06 This test evaluates the generated voltage slope and confirms that it is within a specified maximum rate. Copyright ©ITECH Electronic Co., Ltd.
Page 124 B operating status of the component in the respective operating voltage range does not change due to voltage slope present in the voltage class B circuit and that the component is able to provide the corresponding performance.  E-08a Copyright ©ITECH Electronic Co., Ltd.
Page 125 Power Supply Function Parameter Description Ranges B_220 140V 190V >=2s cycles  E-08b Copyright ©ITECH Electronic Co., Ltd.
Page 126 Power Supply Function Parameter Description Ranges B_220 140V 190V >=2s cycles  E-08c Copyright ©ITECH Electronic Co., Ltd.
Page 127 This test evaluates the component's robustness in case the DC voltage rises above the upper voltage limit The test verifies if the component is able to protect itself or withstand a specified maximum voltage limit within the overvoltage limit. Copyright ©ITECH Electronic Co., Ltd.
Page 128 0.001s cycles E-18 This test evaluates the component's robustness in case the DC voltage drops below the lower voltage limit. The test verifies if the DUT is able to perform correctly during an undervoltage event. Copyright ©ITECH Electronic Co., Ltd.
Page 129 This test evaluates the DUT's robustness in case that the isolation resistance to ground reference decreases. This test covers the worst-case condition which is the electrical connection of one of the two power lines to the ground reference. Copyright ©ITECH Electronic Co., Ltd.
Page 130 This test verifies ifa voltage class B component is able to limit the overvoltage during a load dump. E-25 This test verifies if a voltage class B component is able to withstand the fast voltage rise and the overvoltage caused by a load dump. Copyright ©ITECH Electronic Co., Ltd.
Page 131 Click IEC on the Menu screen to enter the regulation test screen. NOTE For parameters of corresponding curves and related regulations, refer to IEC standards. Copyright ©ITECH Electronic Co., Ltd.
Page 132 Displays the IEC function relevant parameters, which can be viewed by sliding up and down. Edit IEC files Click IEC on the Menu screen to enter the regulation test screen. Click the [Edit] key on the screen and enter to the IEC file edit interface. Copyright ©ITECH Electronic Co., Ltd.
Page 133 [Open] key to enter the file. Press [On/Off] on the front panel, turn on the output. Press [Run] key in the IEC function interface to run the IEC file. Click [Stop] to stop the present running. Copyright ©ITECH Electronic Co., Ltd.
Page 134 Displays the IEC function relevant parameters, which can be viewed by sliding up and down. Edit IEC files Click IEC on the Menu screen to enter the regulation test screen. Click the [Edit] key on the screen and enter to the IEC file edit interface. Copyright ©ITECH Electronic Co., Ltd.
Page 135 The IT6600 series power supply provides the maximum power point tracking (MPPT) mechanism built-in, and it is very important to test the efficiency of this MPPT. The PV array/module/cell is a device that converts from light energy to Copyright ©ITECH Electronic Co., Ltd.
Page 136 PV Curve Displays the relevant parameters of the PV curve file.  File name: the PV curve file name to execute.  Mode: edit mode of the PV curve.  MPPT: maximum power point tracking. Copyright ©ITECH Electronic Co., Ltd.
Page 137 SANDIA  TF: Thin-Film  SCMC: Standard Crystalline or Multi-crystalline  HEC:High Efficiency Crystalline Voltage of maximum power. Maximum power Save Save the PV curve file. Download Download the SAS configuration to make it effective. Copyright ©ITECH Electronic Co., Ltd.
Page 138 Select the PV curve working mode User-defined or Curve. Open-circuit voltage value. Maximum power voltage value. Short-circuit current value. Maximum power current value. Save Save the PV curve file. Download Download the SAS configuration to make it effective. Copyright ©ITECH Electronic Co., Ltd.
Page 139 Open the Excel document and save it as in “other formats” i.e. “(*.csv)”. Open the 5.csv document and edit the PV Curve. Set the parameter values of the PV curve and save the file in the USB disk. Copyright ©ITECH Electronic Co., Ltd.
Page 140 Click the [Save] key to enter the SAS save interface. Click usb, set the FileName of the exported file, and click [Save] to confirm the export. Then you can export the PV Curve file from Edit interface to USB disk. Copyright ©ITECH Electronic Co., Ltd.
Page 141 5.10 Analogue Function. Measure Set the measurement speed. Low mode, measuring every 200ms. Medium Medium mode, measuring every 100ms. Fast Fast mode, measuring every 20ms. Power Unit Set the power unit: W or kW. Setting Copyright ©ITECH Electronic Co., Ltd.
Page 142 Device: the USB device is used to communication with Host: the USB device is used to storage disk. Communication USB device class USB communication interface Virtual serial port TMC usbtmc USB-TMC protocol LAN Settings LAN communication interface Copyright ©ITECH Electronic Co., Ltd.
Page 143 Number of inner ring parallel instruments. Power On Time The power on time of the instrument. Current Output Time The current output time of the instrument. History Output Time The history output time of the instrument. Copyright ©ITECH Electronic Co., Ltd.
Page 144 Set the knob setting function. If set to ON, the Knob setting will take effect immediately. If set to OFF, press Enter to confirm the effect after the Knob setting is completed. Select Language Users can select the instrument language type from the menu. Copyright ©ITECH Electronic Co., Ltd.
Page 145 If CC priority mode is selected, Volt AC/ Curr AC the parameter setting of Curr AC will be displayed here. (This item is only displayed when in DCAC output mode.) Copyright ©ITECH Electronic Co., Ltd.
Page 146  Config menu settings Save Operation The save operation procedures are as follows: Press the composite keys [Shift]+[4](Save) to enter the parameter save interface. Select the storage location. up to 100 position can be select. Copyright ©ITECH Electronic Co., Ltd.
Page 147 Press [Enter] to recall the parameters. 5.6 Screen Capture Function IT6600 series power supply has the screen capture function. Insert the USB equipment into the USB interface of the front panel, and press [Print] on the Copyright ©ITECH Electronic Co., Ltd.
Page 148 [Enter] key to confirm. Rotate the knob to set Series output mode, and press the [Enter] key to confirm. Refer to the figure below to connect the DUT, and live wiring is prohibited.  Local sense Copyright ©ITECH Electronic Co., Ltd.
Page 149 [Enter] key to confirm. Rotate the knob to set Parallel output mode, and press the [Enter] key to confirm. Refer to the figure below to connect the DUT, and live wiring is prohibited.  Local sense Copyright ©ITECH Electronic Co., Ltd.
Page 150 This chapter takes three instruments (with operation panel) as an example to describe how to parallelize the single units and how to return from parallel mode to single mode. Set the Parallel Mode Copyright ©ITECH Electronic Co., Ltd.
Page 151 Ensure that the power switches of the three units and the main switch of the AC power distribution box are off. Connect the instruments according to the following diagram.  In dual-channel mode, the wiring schematic is shown below.  In series mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 152 System-Related Functions  In parallel mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 153 Insert the plug of the fiber optic cable into the fiber optic module and hear a click sound to indicate that it is inserted in place. The fiber optic cable connection schematic is as follows. Copyright ©ITECH Electronic Co., Ltd.
Page 154 Power off the three instruments and turn off the main switch of the AC distribution box. Remove the cables connection of the System Bus and output terminals between three units. Power on the three instruments separately. After the instrument is restarted, Copyright ©ITECH Electronic Co., Ltd.
Page 155 Ensure that the power switches of the master unit and the main switch of the AC power distribution box are off. Connect the instruments according to the following diagram.  In dual-channel mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 156 System-Related Functions  In series mode, the wiring schematic is shown below.  In parallel mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 157 Insert the fiber optic module into the hole corresponding to F-TX, F-RX. Insert the plug of the fiber optic cable into the fiber optic module and hear a click sound to indicate that it is inserted in place. Copyright ©ITECH Electronic Co., Ltd.
Page 158 Ensure that the power switches of the two cabinets and the main switch of the AC power distribution box are off. Connect the cabinets according to the following diagram.  In dual-channel mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 159 System-Related Functions  In series mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 160 System-Related Functions  In parallel mode, the wiring schematic is shown below. Copyright ©ITECH Electronic Co., Ltd.
Page 161 Insert the plug of the fiber optic cable into the fiber optic module and hear a click sound to indicate that it is inserted in place. The fiber optic cable connection schematic is as follows. Copyright ©ITECH Electronic Co., Ltd.
Page 162 The appearance of the terminals are shown below. 5.9.1 Description of Digital I/O pin A Digital Control Port consisting of seven I/O pins is provided to access various control functions. Each pin is user-configurable. Copyright ©ITECH Electronic Co., Ltd.
Page 163  Output: Pin 3 sends the digital signal (1, 0) to the outside. Channel  CH1: Apply the configuration to Ch1. (Displayed only  CH2: Apply the configuration to Ch2. when Function is Copyright ©ITECH Electronic Co., Ltd.
Page 164 Output: Pin 6 sends the digital signal (1, 0) to the outside. Digital IO-7 Settings Function setting of pin 7. On/Off, Select Invert or not under the IO Reverse Settings. If setting to ON, it means the valid Copyright ©ITECH Electronic Co., Ltd.
Page 165 When pins 1 to 7 are configured to Input function, an external signal can be Input to this pin, and the instrument can detect the state of the external signal.  Digital Output Copyright ©ITECH Electronic Co., Ltd.
Page 166 Living: When input an inhibit signal and the instrument output is turned OFF. The status bar of the LCD screen displays INH warning icon and the output is marked as OFF. If power supply output is ON state before, the ON/OFF Copyright ©ITECH Electronic Co., Ltd.
Page 167 Taking three instruments as an example, the operation is as below: Go to the System→IO Config→Digital IO-7 Settings menu. Set pin 7’s function of three instruments to Reverse-Off and Sync-Off. Referring to the figure below, connect pin 7 of three instruments. Copyright ©ITECH Electronic Co., Ltd.
Page 168 Channel 2 The setting for the voltage/current upper limit corresponds to Volt High/Curr Limit+ in the menu.  CV priority: Specify the value of the current upper limit I+.  CC priority: Specify the value of the voltage upper limit Vh. Copyright ©ITECH Electronic Co., Ltd.
Page 169 Slew factor k: Same as Mx in the menu, set by the user.  Offset b: Same as Mb in the menu, set by the user.  y: The actual output value of the instrument. (Voltage when CV is prioritized, current when CC is prioritized) Copyright ©ITECH Electronic Co., Ltd.
Page 170 Iout2>Iout1. Analog Control The following is an example of how to connect and use the voltage and current control in CC priority mode. Refer to the figure below to complete the pin connection. Copyright ©ITECH Electronic Co., Ltd.
Page 171 Volt Low Set Mx and Volt Low Set Mb in sequence, and press [Enter] to confirm. 4) Press the up/down key to move the cursor to the Status function setting and press the [Enter] key to confirm. Rotate the knob to select On to Copyright ©ITECH Electronic Co., Ltd.
Page 172 We call it 100% power availability and it's especially suitable for applications with high reliability requirements of power supply. Click Off Line on the Menu screen to enter the redundant interfaces. Copyright ©ITECH Electronic Co., Ltd.
Page 173 Working: indicates that the machine in the current node is operating normally. The current node displays as  Inner nodes: the number of internal nodes, i.e. the number of machines contained in a single cabinet. Copyright ©ITECH Electronic Co., Ltd.
Page 174 Output values view Displays the present output voltage, current area for CH2 and power values. Copyright ©ITECH Electronic Co., Ltd.
Page 175 Select the trigger mode as "Auto," with the trigger status displayed as "Auto" when triggered. Roll Select the trigger mode as "Auto," with the trigger status displayed as "Roll" when not triggered. Trig Select the trigger mode as "Normal," with the trigger status Copyright ©ITECH Electronic Co., Ltd.
Page 176 I/O interface (P-IO). For details, see 5.9 Digital I/O Function. Trigger mode Auto and Normal can be select. Print data Save the data.  Depth: data record depth.  Algorithm: with the option of Normal or Peak. Copyright ©ITECH Electronic Co., Ltd.
Page 177  Trigger delay You can adjust the trigger delay using the editing box (knob/directional keys/numeric keys) or by horizontal sliding. The default trigger delay is 0, Copyright ©ITECH Electronic Co., Ltd.
Page 178 Parameter Description Viewing control Select the number of data curves currently displayed and the corresponding parameters. Up to six curves can be displayed, with optional parameters including Vmean, Vmin, Vmax, Imean, Imin, Imax,Pmean, Pmin, Pmax. Copyright ©ITECH Electronic Co., Ltd.
Page 179 This parameter indicates the data sampling interval (unit: ms), that is, the test data is recorded once every X seconds. The input range supported by the instrument is: 0.1ms-1000ms. File format Select the file format, include Tdms and CSV. Copyright ©ITECH Electronic Co., Ltd.
Page 180 AC Meter to enter the energy query interface.  Setting: enter the setting interface and select Clear to zero the current electric energy and stage electric energy.  More: enter the More interface to query more historical information. Copyright ©ITECH Electronic Co., Ltd.
Page 181 Resistance Voltage 0.001V Read Back Resolution Current 0.001A Power 0.001kW ≤0.02%+0.01%FS Voltage ≤0.03% + 0.03%FS Setup Accuracy Current ≤0.05% + 0.1%FS Power ≤0.02%+0.01%FS Voltage ≤0.03% + 0.03%FS Current Read Back Accuracy ≤0.05% + 0.1%FS Power Copyright ©ITECH Electronic Co., Ltd.
Page 182 OVP, OCP, OPP, UVP, UCP, OTP, Vsense protection Standard: USB, CAN, LAN, Digital IO Standard Interface Optional: GPIB, Analog/RS232), fiber optic socket, EtherCAT card, Relay cards Isolation (output to ground) 2250V 0～50℃ Working Temperature IP20 Safety Standard IEC 61010 Copyright ©ITECH Electronic Co., Ltd.
Page 183 Resistance Voltage 0.001V Read Back Resolution Current 0.001A Power 0.001kW ≤0.02%+0.01%FS Voltage ≤0.05% + 0.03%FS Current Setup Accuracy ≤0.03% + 0.1%FS Power ≤0.02%+0.01%FS Voltage ≤0.03% + 0.03%FS Read Back Accuracy Current ≤0.05% + 0.1%FS Power Copyright ©ITECH Electronic Co., Ltd.
Page 184 OVP, OCP, OPP, UVP, UCP, OTP, Vsense Protective Function protection Standard: USB, CAN, LAN, Digital IO Standard Interface Optional: GPIB, Analog/RS232), fiber optic socket, EtherCAT card, Relay cards Isolation (output to ground) 2250V 0～50℃ Working Temperature IP20 Safety Standard IEC 61010 Copyright ©ITECH Electronic Co., Ltd.
Page 185 Read Back Current 0.001A Resolution Power 0.001kW ≤0.02%+0.01%FS Voltage ≤0.03% + 0.03%FS Setup Accuracy Current ≤0.05% + 0.1%FS Power ≤0.02%+0.01%FS Voltage ≤0.03% + 0.03%FS Current Read Back Accuracy ≤0.05% + 0.1%FS Power ≤0.1%FS Ripple *1 20Hz-20MHz Copyright ©ITECH Electronic Co., Ltd.
Page 186 OVP, OCP, OPP, UVP, UCP, OTP, Vsense protection Standard: USB, CAN, LAN, Digital IO Standard Interface Optional: GPIB, Analog/RS232), fiber optic socket, EtherCAT card, Relay cards Isolation (output to ground) 2250V 0～50℃ Working Temperature IP20 Safety Standard IEC 61010 Copyright ©ITECH Electronic Co., Ltd.
Page 187 AC input voltage only supports 380VAC ± 10%, such as the need for 480VAC ± 10% voltage need to be customized. *4. Power factor of 0.99 at 50% of rated power and above at nominal input. All the above parameters are subject to change without prior notice from ITECH. Copyright ©ITECH Electronic Co., Ltd.
Page 188 Connect to the site LAN A site LAN is a local area network in which LAN-enabled instruments and computers are connected to the network through routers, hubs, and/or switches. They are typically large, centrally-managed networks with Copyright ©ITECH Electronic Co., Ltd.
Page 189 PC over LAN interface and enter the instrument's IP address into the address bar at the top of your PC's Web browser, you can access the front panel control functions including the LAN configuration parameters. Copyright ©ITECH Electronic Co., Ltd.
Page 190 This page allows you to monitor and control the instrument.  LAN Configuration: Reconfigure the LAN parameters.  Manual: Go to the ITECH official website and view or download the relevant documents.  Upload: Performs a system upgrade. Click CONNECT to connect the PC with the instrument, then click Select File to select the system upgrade installation package (for example, IT6600-U-VXXX.itech), and then click UPLOAD performs the upgrade...
Page 191 The instruments allow any combination of up to six simultaneous socket and telnet connections to be made. ITECH instruments have SCPI socket services, which can be used to send and receive SCPI commands, queries, and query responses. All commands must be terminated with a newline for the message to be parsed.
Page 192 Remote Control box and press enter to connect to access the machine. Click [Continue] to display the machine touch screen. Copyright ©ITECH Electronic Co., Ltd.
Page 193  Protocol CAN_OPEN: High-level protocol for the CAN bus.  CAN2.0: ITECH CAN version 2.0 protocol. The operation steps are as follows. Press the composite keys [Shift] + [P-set] (System) on the front panel to en- ter the system menu.
Page 194 Insert the separately purchased GPIB interface card into the card slot on the rear panel of the instrument. Connect the instrument with the computer via the GPIB cable. After the con- nection is successful, turn on the power switch of the instrument. Copyright ©ITECH Electronic Co., Ltd.
Page 195 Insert the separately purchased RS-232 interface card into the card slot on the rear panel of the instrument. Connect the instrument to the computer via an RS-232 cable. After the con- nection is successful, turn on the power switch of the instrument. Copyright ©ITECH Electronic Co., Ltd.
Page 196 Make sure the correct cable and adapter are connected. Note that internal wiring may not be correct even if the cable has a suitable plug;  The cable must be connected to the correct serial ports (COM1, COM2, etc) of PC. Copyright ©ITECH Electronic Co., Ltd.
Page 197 Appendix Specifications of Red and Black Test Lines ITECH provides you with optional red and black test lines, the user can choose the company's test line for testing. For specifications of ITECH test lines and maximum current values, refer to the table below.

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