Page 1 PROGRAMMABLE AC/DC POWER SOURCE KP2000AS INSTRUCTION MANUAL NF Corporation...
Page 3 DA00104172-001 PROGRAMMABLE AC/DC POWER SOURCE KP2000AS INSTRUCTION MANUAL...
Page 5: Preface
Preface Thank you for purchasing our Programmable AC/DC Power Source KP2000AS. Precautions” on the next For safe and correct use of the electrical product, please first read “Safety page. ◼ Alert symbols in this manual This manual uses the following alert symbols. The instructions by these alert symbols shall be carefully obeyed to ensure equipment operator's safety and prevent damage to equipment.
Page 6: Safety Precautions
Safety Precautions For safe use, ensure to obey the following warnings and considerations. We are not responsible for damage resulting from failure to obey these warnings and considerations. This product is an insulation Class I device (with a protective conductor terminal) complying with the JIS and IEC standards.
Page 7 When this product is used in wet condition, it may cause an electric shock and a fire. If this product is exposed to water, cut the power at the distribution board immediately, and contact NF Corporation or one of our representatives.
Page 8 ⚫ Other symbol Chassis This indicates that the terminal (or external conductor for a connector) is connected to the chassis. ⚫ Request about disposal For environmental preservation, pay attention to the followings when you dispose of this product.  Do not discard this product in domestic household waste. This product shall be disposed of through an appropriate industrial waste disposer.
Page 9: Table Of Contents
Basic Key Operations ....................27 3.3.1 Displaying the root menu ..................27 3.3.2 Item Selection ..................... 27 3.3.3 Using Soft-keys ....................28 3.3.4 Closing Windows ....................29 3.3.5 Entering Values ....................29 3.3.6 Entering Strings (Character String Entry Box) ............ 30 KP2000AS...
Page 10 3.3.7 Using Shortcut Operations (SHIFT Key and RECALL key) ......... 30 Setting Master/Slave ....................32 3.4.1 Opening the Master-Slave Setting Window ............32 3.4.2 Setting Master/Slave ................... 33 3.4.3 When differs from the connection of the system cable ........34 Using the Continuous Function ..................
Page 11 LAN ........................120 6.1.4 GPIB ........................122 Remote/Local State Switching ................. 124 6.2.1 Remote state ..................... 124 6.2.2 Local State ......................124 7. Options ..........................125 System Cable (for Boost-up) ..................126 GPIB ......................... 126 Rack-Mount Adapter ....................126 KP2000AS...
Page 12 Replacement Air Filter ....................130 Power Cable ......................130 8. Troubleshooting ......................... 131 Error Messages and Error Handling ................. 132 8.1.1 Error Message Screen ..................132 8.1.2 If An Error Message is Displayed ..............132 8.1.3 Protection Operation Types ................133 8.1.4 Error Message List ....................
Page 13 10.25 USB Memory Interface ..................... 168 10.26 Waveform Monitor Output ..................169 10.27 SHUT DOWN Input ....................169 10.28 Operation Environment .................... 170 10.29 Externals, Mass, and Terminal Block ............... 171 10.30 Option ........................171 10.31 Outline Dimensional Drawing ................... 172 KP2000AS...
Page 14: List Of Figures
Figures and Tables List of Figures Page Figure 2-1 Power Input Connection ................... 11 Figure 2-2 Voltage Sensing Terminal ..................12 Figure 2-3 Example of Connecting Cable to Voltage Sensing Terminal ........12 Figure 2-4 Connecting Output and Sensing Cables ..............13 Figure 2-5 Maximum System Configuration ................
Page 15 Figure 8-1 Error Message Screen Example ................132 Figure 10-1 Range of Ambient Temperature/Humidity ............170 Figure 10-2 KP2000AS ......................172 KP2000AS...
Page 16: List Of Tables
List of Tables Page Table 2-1 List of Content ......................6 Table 2-2 Maximum Power/Current Consumption ..............10 Table 2-3 Role of Each Unit in a Multi-unit system ..............15 Table 3-1 Component Name (Front) ..................22 Table 3-2 Component Name (Rear) ..................23 Table 3-3 Component Name (Control Panel) ................
Page 17: Outline
1. Outline Overview ·························································· 2 Features ··························································· 2 KP2000AS...
Page 18: Overview
1. Outline Overview The programmable AC/DC power source KP2000AS is a single-phase 2 kVA AC / 2 kW DC stabilized power source that can be boosted up to 4 kVA single-phase two-wire system. It is equipped with various interfaces such as external control terminals and communication interfaces (GPIB is optional.), enabling testing of various types of electrical equipment.
Page 19 Connect multi units by this cable to configure a boost-up system.  Rack-Mount Adapter A set of brackets used to mount the product on the EIA or JIS standard compliant rack.  Power Cable Cables for the power input. * These are dedicated options. KP2000AS...
Page 21: Preparation Before Use
Check before Use ··············································· 6 About Installation Environment ······························ 7 Cautions during Moving and Transportation ············· 8 Grounding and Power Connections ························ 9 Output, Sensing, and System Cable Connections ···· 12 Simple Operation Check ···································· 18 Calibration ······················································· 19 KP2000AS...
Page 22: Check Before Use
⚫ Safety Precautions (Page ii) ⚫ 2.4 Grounding and Power Connections ◼ Check the appearance and contents. If there is any problem, contact the seller (NF Corporation or our agent) from whom you purchased this product. ⚫ Appearance check Make sure that there is no damage or dent made during the transportation on the LCD screen, keys, or dial of the control panel, or rear connectors.
Page 23: About Installation Environment
⚫ Do not place it in front or back of the other (arrangement which makes the unit placed behind inhale the exhaust heat of the other). ⚫ A total of up to three units of only KP2000AS can be stacked. ⚫ When building a 1P2W system by connecting two units together, there is no constraint regarding the order in which units are arranged.
Page 24: Cautions During Moving And Transportation
⚫ Before removing the wiring, be sure to turn off this product to cut the power from the distribution board. Otherwise, an electric shock might occur. ◼ Check before movement and transportation ⚫ Check the weight before moving the product. The mass of KP2000AS is approximately 20 kg. PROGRAMMABLE AC/DC POWER SOURCE...
Page 25: Grounding And Power Connections
◼ Check the power source For safety, use the product in the ranges of input voltage and frequency described below. Voltage range: Single-phase 100 to 230 V Frequency range: 50 Hz/60 Hz KP2000AS...
Page 26: Table 2-2 Maximum Power/Current Consumption
2. Preparation before Use ◼ About power input terminal The power input terminal screws are M5. ◼ About power cable Use a cable of sufficient ampacity for the maximum current consumption (see Table 2-1). A protective grounding cable should have ampacity higher than or equal to the power cable. For the optional power cable, see 7.5.
Page 27: Figure 2-1 Power Input Connection
CAUTION ⚫ Be sure to check phases L and N are correctly connected between this product and the distribution board. ～ LINE 電源入力端子 Power input terminal 分電盤 Distribution board Protective grounding 保護接地 Figure 2-1 Power Input Connection KP2000AS...
Page 28: Output, Sensing, And System Cable Connections
2. Preparation before Use Output, Sensing, and System Cable Connections ◼ Before connecting, check the followings. WARNING ⚫ Before touching the output terminal, be sure to turn off the power switch of this product, and cut the power to the distribution board. Otherwise, an electric shock might occur. CAUTION ⚫...
Page 29: Single Output
⚫ The output terminal that can be grounded is the Lo terminals. Do not ground the Hi terminal. ⚫ If you want to ground the output terminal at one point only, ground either one of the output terminal or load terminal. 3. Attach the resin-molded terminal cover. KP2000AS...
Page 30 2. Preparation before Use WARNING ⚫ Do not use this product when the resin-molded terminal cover is removed. Otherwise, an electric shock might occur. ⚫ Use enough thick cables to prevent touching live conductive parts after attaching the resin -molded terminal cover.
Page 31: Boost-Up
Boost-up (parallel operation) of up to one unit (Total 4 kVA) is possible. For details on the master/slave setting of each unit, see 3.4.2. Figure 2-5 shows the connection of the SYSTEM connector of each unit. System master Booster Figure 2-5 Maximum System Configuration KP2000AS...
Page 32: Figure 2-6 Connecting Outputs Of Two Units Using 1P2W
2. Preparation before Use -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ Only KP2000AS can be connected. ⚫ Turn on the power of all units within the set time. (Time set by default: 10 seconds; see 3.4.2.) ⚫ Do not connect anything to a SYSTEM connector that will not be used.
Page 33 ◼ Grounding of output terminal When grounding the Lo terminal of a multi-unit system, ground at the one point of either the output terminal or load terminal of one of the units. KP2000AS...
Page 34: Simple Operation Check
2. Preparation before Use Simple Operation Check This section describes how to perform a simple operation check when you purchased a new product, or after storing the product for a long period. This check should be performed without load. For a 1P2W system, remove the system cable, and check for each unit.
Page 35: Calibration
AC voltage (ACV). Raise the AC voltage setting value gradually by using the MODIFY dial, arrow keys, or numeric keypad, and check that the measured voltage value (V) has become about the same as the setting value. Calibration When the product needs calibration, contact us or our agent. KP2000AS...
Page 37: Basic Operation
3. Basic Operation Component Name ············································· 22 Power On/Off ··················································· 25 Basic Key Operations ········································ 27 Setting Master/Slave ········································· 32 Using the Continuous Function ···························· 34 KP2000AS...
Page 38: Component Name
3. Basic Operation Component Name 3.1.1 Front 2. Control panel 3. 操作パネル 1. USB memory 1. USB メモリコネクタ connector 4. Power 4. 電源スイッチ 3. Front grill switch 2. フロントグリル Figure 3-1 Component Name (Front) Table 3-1 Component Name (Front) Number Name Description Refer to...
Page 39: Control Panel
USB communication interface. 6.1.1 SYSTEM connector Used to connect an optional system cable to 2.5.2 build a 1P2W system with two KP2000AS units. Monitor output connector Can observe waveforms of the output voltage and output current when connected to a unit such as oscilloscopes.
Page 40: Table 3-3 Component Name (Control Panel)
3. Basic Operation Table 3-3 Component Name (Control Panel) Number Name Description Refer to OUTPUT key Turns the output on or off. 3.5.8 OUTPUT LED The LED illuminates in the output on state. LIMIT LED Illuminates when any of the limiters activates.
Page 41: Power On/Off
1. The “NF” logo mark is displayed for a few seconds or more than 10 seconds. 2. The self check is performed and the result is displayed. If there was a problem with the result or if the boost-up connection has changed, the startup process halts at the Self-Test screen shown in Figure 3-4.
Page 42: The Settings Loaded After Startup
3. Basic Operation 3.2.4 The Settings Loaded after Startup The output settings are invoked from the Basic Setting Memory No.1 and other settings are loaded from the System Setting Memory. For details, see 4.5 and 10.21. 3.2.5 Checking the Rated Power On the screen after startup, the rated power icon is displayed in the position shown in Figure 3-5.
Page 43: Basic Key Operations
◼ Selection box If the menu has numbers before its menu items as shown in Figure 3-7 (selection box), pressing the corresponding number on the numeric keypad also selects and runs the item. Figure 3-7 The Example of a Selection Box KP2000AS...
Page 44: Using Soft-Keys
3. Basic Operation ◼ Data list box When selecting data in the memory, the data list box shown in Figure 3-8 is displayed. Use the arrow keys, numeric keypad, or Memory No. box to select data in the data list box, and press the ENTER key.
Page 45: Closing Windows
Press the ENTER key to confirm the value. The previous values for the voltage or frequency output are held until you press the ENTER key. If you press the CANCEL key, the settings are not changed. Figure 3-13 The Numerical Entry Box KP2000AS...
Page 46: Entering Strings (Character String Entry Box)
3. Basic Operation -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ If you already know the value to set, the direct entry using the numeric keypad will be convenient. ⚫ If you want to increment/decrement the value by one step at one time, use the up and down arrow key. ⚫...
Page 47: Table 3-5 Shortcut Operations
Recalls the basic settings of the corresponding RECALL number saved in internal memory. Note 1: If you change the item presented with † symbol using a Shortcut operation, the setting is not saved in the System Setting Memory (see 10.21). KP2000AS...
Page 48: Setting Master/Slave
3. Basic Operation Setting Master/Slave Set master or slave for each unit that makes up the 1P2W system. 3.4.1 Opening the Master-Slave Setting Window When building a 1P2Wsystem, enable the master/slave function. 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens.
Page 49: Setting Master/Slave
Slave: Booster Figure 3-15 Setting Items of Master/Slave Function -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ It takes approximately 3 seconds for the settings to be saved internally. Wait at least 3 seconds before turning the power off after setting completes. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 50: When Differs From The Connection Of The System Cable
3. Basic Operation 3.4.3 When differs from the connection of the system cable When the master/slave settings differ from the connection of the system cable, the System Locked screen appears due to an error at startup. Press the [M/S] soft-key to open the Master-Slave setting window.
Page 51: Table 3-6 Description Of The Ac/Dc Mode
Cannot be selected in the DC. Uses both the internal and external signal sources. Amplifies the signal from the external input terminal by the specified gain like EXT, and adds the internal signal source component to it. Cannot be selected in the DC. KP2000AS...
Page 52: Table 3-8 List Of The Selectable Combinations Of The Ac/Dc Mode And The Signal Source
3. Basic Operation Table 3-8 List of the Selectable Combinations of the AC/DC Mode and the Signal Source AC/DC Signal source mode SYNC AC - INT AC - VCA AC - SYNC AC - EXT AC - ADD ACDC ACDC - INT ACDC - SYNC ACDC - EXT ACDC - ADD DC - INT...
Page 53: Setting The Output Range
3.5.2 Setting the Output Range You can select the 100 V range or the 200 V range. Table 3-9 show the setting range for each range. -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ You cannot switch the output range in the output on state. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 54: Table 3-9 The Setting Range Per Output Range
3. Basic Operation Table 3-9 The Setting Range per Output Range Setting range Setting Item AC/DC Waveform 100 V range 200 V range Unit ACDC, -227.0 to +227.0 -454.0 to +454.0 DC voltage ACDC, -454.0 to +454.0 -908.0 to +908.0 AC voltage SIN, CLP 0.0 to 175.0...
Page 55: Setting Waveforms
⚫ The AC and DC voltage settings (ACV and DCV) are common regardless of the waveform setting. ⚫ The waveform can be changed in the output on state. --------------------------------------------------------------------------------------------------------------------------------- ◼ Operation procedure 1. Select the [Wave] item. 2. In the displayed selection box, select the desired waveform (SIN, CLP). KP2000AS...
Page 56: Setting The Output Voltage
3. Basic Operation 3. If you select CLP, the [Setup] icon ( ) is displayed next to it. When you hover the cursor over the [Setup] icon, the clip ratio or crest factor is displayed. When you press the ENTER key, the setting window opens.
Page 57: Setting The Output Frequency
After the output off operation, the voltage output is completed when it reaches the output off phase. The output off phase can be disabled. If disabled, the output is turned off immediately after the operation of output off. KP2000AS...
Page 58: Setting Soft Start And Soft Stop
3. Basic Operation ◼ Operation procedure 1. Press the [Osc] soft-key and select [On/Off Phs]. The output on/off phase setting window opens. 2. Set the on and off phase in the [On Phase] item and [Off Phase] item respectively. If you want to disable the off phase, select [1:Disable].
Page 59: Figure 3-16 Output Off Operation During Soft Start
 When the output off phase setting is enabled  When the high impedance output off function setting is enabled ⚫ If you set output on/off phase or soft start/soft stop, the corresponding icons in Table 3-10 will light up. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 60: Table 3-10 Output On/Off Phase And Soft Start / Soft Stop Setting Icons
3. Basic Operation Table 3-10 Output On/Off Phase and Soft Start / Soft Stop Setting Icons Icon Output on phase Output off phase Soft start Soft stop +0.0° Disabled (Factory default Enabled Disabled Enabled setting) Disabled Other than +0.0° Disabled Disabled Enabled Other than +0.0°...
Page 61: Turning The Output On Or Off
The crest factor of the output current (peak – value/effective value). Crest factor The crest factor of the output voltage (peak – value/effective value). Freq Synchronization The measured frequency value of the frequency synchronization signal source when the signal source is SYNC. KP2000AS...
Page 62: Switching The Display Format (Rms/Pk/Avg) Of The Measured Value
3. Basic Operation 3.5.10 Switching the Display Format (RMS/PK/AVG) of the Measured Value You can switch the display format of the measured value (RMS/PK/AVG) for the output voltage and output current. The items which are displayed in each measuring mode are shown in Table 3-12. For a 1P2Wsystem, the display format set in the system master is applied also for the slave (booster).
Page 63: Clearing The Peak-Hold Value
Clear the current peak-hold value Press the SHIFT key to enter the shift state (the SHIFT LED illuminates). When you press the +/- key in the numeric keypad in the shift state, the output current peak-hold value is cleared. KP2000AS...
Page 65: Advanced Operation
4.20 Enabling Automatic Output-On at Power-On ··········· 96 4.21 Key Lock ························································· 97 4.22 Beep ······························································ 97 4.23 Changing the Screen Brightness ·························· 98 4.24 Using the Shutdown Function ···························· 100 4.25 Setting the Date and Time ································ 101 4.26 Restoring Initial Settings ·································· 103 KP2000AS...
Page 66: Using Limiter, Setting Limiter
4. Advanced Operation Using Limiter, Setting Limiter 4.1.1 Using Peak Limiter The peak value of output current is limited by the peak current limiter. While the limiter is working, the icon is displayed and LIMIT LED illuminates. Setting values of limiter are variable, and kept independently for each of 100 V and 200 V ranges.
Page 67 2. Set the peak current limiter values of positive/negative in the [+Iop]/[-Iop] item. 3. Set the [Output OFF] item as [Enable] or [Disable]. When setting to [Enable], also set the time from the start of limiter operation to the output off. KP2000AS...
Page 68: Using Rms Limiter
4. Advanced Operation 4.1.2 Using RMS Limiter The effective value of output current is limited by the RMS current limiter. While the limiter is working, the icon is displayed and LIMIT LED illuminates. Setting values of limiter are variable, and kept independently for each of 100 V and 200 V ranges. You can choose whether to make the output off or not upon the triggering of the RMS limiter.
Page 69 2. Set the value of RMS current limiter in [Io] item. 3. Set the [Output Off] item as [Enable] or [Disable]. When setting to [Enable], also set the time from the start of limiter operation to the output off. KP2000AS...
Page 70: Using Setting Range Limit
4. Advanced Operation 4.1.3 Using Setting Range Limit You can limit the ranges of output setting values (output voltage and frequency). A setting range limit is useful for the prevention of an excessive output when the output setting value is rapidly increased or decreased with the MODIFY dial.
Page 71: About Wattage Limiter
⚫ The value of the wattage limiter cannot be changed. To limit the output power to a value that is lower than the rating, use the peak (current/voltage) limiter or the RMS (current/voltage) limiter. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 72: Measuring Harmonic Current
4. Advanced Operation Measuring Harmonic Current Some electric devices of AC power input have its input current waveform greatly distorted from the sine wave. For example, when the power input section uses a capacitor input type rectifier circuit, the input current is generally distorted as shown in Figure 4-1 Current Waveform Containing Many. A waveform distorted like this contains many harmonic components.
Page 73: Measured Value Display Method
Switch the view in the same manner for the measured values over order 21. 4. Press the [Volt] soft-key or [Curr] soft-key to switch to harmonic voltage or harmonic current. 5. Press the CANCEL key or [Exit] soft-key to return to the Continuous function view. KP2000AS...
Page 74: Measuring Inrush Current
4. Advanced Operation Measuring Inrush Current 4.3.1 Inrush Current On an electric device using a capacitor input type rectifier circuit for power input, an excessive current in comparison to the Normal state may flow for a short period of time immediately after the start of power supply.
Page 75: Measurement Method
⚫ Correct peak value measurement may not be accomplished for a very small load impedance, such as when there is a short at the output terminal. KP2000AS...
Page 76: Using Clipped Sine Wave
4. Advanced Operation Using Clipped Sine Wave Clipped sine wave is the waveform that has its sine wave peak clipped as shown in Figure 4-3. This product can select the clipped sine wave as the output waveform. Original sine もとの正弦波 wave クリップ...
Page 77 --------------------------------------------------------------------------------------------------------------------------------- ◼ Operation procedure 1. In the [Wave] item, select [CLP]. 2. Move the cursor to [Setup], then select it. The clipped sine wave setting window opens. 3. In the [No.] item, select the clipped sine wave to load. KP2000AS...
Page 78 4. Advanced Operation 4. In the [Type] item, select [1: Clip] (clip ratio) or [2: CF] (crest factor). 5. In the [CF] (or [Clip]) item, enter the crest factor (or clip ratio). 6. Press the CANCEL key. The clipped sine wave setting window closes. -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫...
Page 79: Using Memory Function
USB memory. --------------------------------------------------------------------------------------------------------------------------------- 4.5.2 Displaying Data List View of Basic Setting Memory ◼ Operation procedure 1. Select [Memory] from the root memory. KP2000AS...
Page 80 4. Advanced Operation 2. Displays the Memory View. Select [Setting Memory]. 3. The Basic Setting Memory data list appears. Select reference target [1: System] (internal memory) / [2: USB] (USB memory) in the [Target] item. 4. Specify the memory number to reference in the [Memory No.] item. Even if the cursor is not on the [Memory No.] item, you can move to the previous number by pressing , and to the next number by pressing PREV...
Page 81: Saving, Recalling, And Clearing/Renaming Of Basic Setting Memory
[Store] soft-key. When saving a new setting data, specify a number for which [Name] is blank in the data list. Internal memory [1: System] Specify memory number 2. A window to confirm saving opens. Select [OK]. KP2000AS...
Page 82 4. Advanced Operation ◼ Saving basic settings to USB memory For how to connect USB memory to this product, and how to disconnect from this product, see 4.6. 1. Open Basic Setting Memory View (see 4.5.2). Push the [Store] soft-key. When saving a new setting data, specify a number for which [Name] is blank in the data list.
Page 83 [Recall] soft-key. Internal memory [1: System] Specify memory USB memory [2: USB] number 2. The confirmation window for recalling opens. Select [OK]. The Basic Setting Memory with the specified number is recalled. KP2000AS...
Page 84 4. Advanced Operation ◼ Clearing/rename Basic Setting Memory saved in internal memory 1. Open Basic Setting Memory View (see 4.5.2). Select the [Target] and [Memory No.] items and specify the memory to clear or rename. Specify memory Internal memory [1: System] number USB memory [2: USB] 2.
Page 85 2. To clear, push [Delete] soft-key. Confirmation message is displayed. Select [OK]. The corresponding file in USB memory is deleted. 3. To rename, push [Rename] soft-key. Rename window opens. Enter a new name and then select [OK]. For how to enter a string, see 3.3.6. KP2000AS...
Page 86: Using Usb Memory Function
4. Advanced Operation ◼ Loading the factory defaults Press in the Continuous View. Confirmation message is displayed. Select [OK]. RECALL The current settings are cleared and the factory default basic settings are loaded. Using USB Memory Function This product supports the mass storage class USB memory. The Basic Setting Memory can be saved into and loaded from the USB memory.
Page 87: Saving A Screenshot
⚫ The eject operation cannot be performed in the following cases:  When the Memory View is open  When the data list box shows the files in the USB memory --------------------------------------------------------------------------------------------------------------------------------- Saving a Screenshot Save the current screen to USB memory. ◼ Operation Method Press shortcut key. KP2000AS...
Page 88: Using Monitor Function
4. Advanced Operation ◼ Save destination The image is saved in the NF_TOOL\NF_KP2000AS\CAPTURE folder. The file format of the saved image is bmp, the number of colors is 65,000, and the size of one file is 256 KiB. The file name is CAP_YYYYMMDD_hhmmss.bmp.
Page 89 ⚫ [When boosted up] The slave of a 1P2W system (booster) outputs the monitor signal of its own single unit, respectively. ⚫ The output voltage monitor watches the voltage at the output terminal whether the remote sensing state is on or off. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 90: Using Remote Sensing Function
4. Advanced Operation Using Remote Sensing Function The Remote sensing function detects the output voltage at the voltage sensing terminal. When the Remote sensing function is on, the measured value of the voltage is the voltage at the voltage sensing terminal, and the Sens icon is displayed beside the measurement items.
Page 91 ◼ Turning on/off Remote sensing function 1. Press the [Meas] or [Misc] soft-key and turn on or off the function in the [Rmt Sense] item. 2. When the Remote sensing function is turned on, [Sens] is displayed beside the measurement items. KP2000AS...
Page 92: Using Agc Function
4. Advanced Operation Using AGC Function 4.10 The AGC (Automatic Gain Control) function calculates the ratio (calibration factor) of the output voltage measured value (effective value) versus the output voltage setting value automatically and continuously while this function is on, and multiplies the gain of the output amplifier by the calculated value, intending to match the output voltage with the setting value.
Page 93 3. Use the [Rmt Sense] item to set the Remote sensing function to on or off, if necessary. 4. In the [AGC] item, select [2:ON]. If the output voltage setting is within the AGC operation range, the AGC calibration is started when [ON] is selected here. 5. Close the window. KP2000AS...
Page 94 4. Advanced Operation ◼ Turning off the AGC function 1. Open the AGC/Autocal set window. Following two methods are available. (a) Shortcut operation: (b) Push the [Misc] soft-key. 2. In the [AGC] item, select [1:OFF]. When [OFF] is selected here, the AGC calibration finishes. 3.
Page 95: Using Autocal Function
Meanwhile, in the AGC function, the output voltage is calibrated properly even when the load is fluctuated, but there is the response time to reflect the update of the calibration factor. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 96 4. Advanced Operation ◼ Turning on the Autocal function 1. Turn on the output. 2. Open the AGC/Autocal set window. Following two methods are available. (a) Shortcut operation: (b) Push the [Misc] soft-key. 3. Use the [Rmt Sense] item to set the Remote sensing function to on or off, if necessary. 4.
Page 97 2. In the [Auto Cal] item, select [1:OFF]. When [OFF] is selected here, the Autocal calibration finishes, and the calibration factor is cleared. 3. Use the [Rmt Sense] item to set the Remote sensing function to on or off, if necessary. 4. Close the window. KP2000AS...
Page 98: Adjusting Dc Offset
4. Advanced Operation Adjusting DC Offset 4.12 Even when the output voltage is set to 0 V, a slight DC offset may exist in the output. The DC offset adjustment function can reduce such DC offset close to zero. For the DC offset adjustment, a total of two types of values are retained for each AC/DC mode. The setting range of the DC offset adjustment value is shown in Table 4-3.
Page 99: Using As Dc Power Supply
Every time you press the keys, the mode is switched to AC, ACDC, and DC in this order. (b) Press the [Osc] soft-key and select [2: ACDC] or [3: DC] in the [AC/DC] item. 2. Set the output DC voltage in the [DCV] item. ACDC KP2000AS...
Page 100: Setting Voltage Using External Dc Input Signal
4. Advanced Operation Setting Voltage using External DC Input Signal 4.14 In AC-VCA, you can use the external DC input signal to set the AC output voltage or AC output current of the internal signal source. In the DC-VCA, you can use the external DC input signal to set the DC output voltage of the internal signal source.
Page 101: Using External Signal In Dc-Vca
⚫ Within the same range, the same value is retained for the gain setting value, regardless of the combination of the signal sources (VCA, EXT, ADD). --------------------------------------------------------------------------------------------------------------------------------- ◼ Examples When the gain is 100, and the external DC signal voltage is 1 V, a DC voltage of 100 V will be output. KP2000AS...
Page 102 4. Advanced Operation ◼ Operation procedure 1. Turn off the output, and set the AC/DC mode and signal source to DC-VCA. See 3.5.1. 2. Set the [Gain] item. 3. Supply a DC voltage to the external signal input connector. 4. Turn on the output. PROGRAMMABLE AC/DC POWER SOURCE...
Page 103: Control Using External Control Function
4 memory, specify the 2 bit memory number of the Basic Setting Memory in the Continuous function. ⚫ When the memory recall input is changed from high to low, this loads the data of the Basic Setting Memory, which has the number specified by the memory 1 and 2 inputs. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 104: Table 4-4 Control I/O Pin Assignment
4. Advanced Operation Table 4-4 CONTROL I/O Pin Assignment Function Remarks Output Power On/Off Low: Off, High: On Low: On, High: Off (Negative) Output Output On/Off* Low: Off, High: On (Positive) Low: Active, High: None (Negative) Output Protection operation* Low: None, High: Active (Positive) Low: Active, High: None (Negative) Output Limiter operation*...
Page 105 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens. 2. Select the [Control I/O] item to open the setting window. 3. In the [Ext Ctrl] item, select [1:Disable] or [2:Enable]. KP2000AS...
Page 106: Synchronizing The Output Frequency With The Power Line Or The External Signal
4. Advanced Operation ◼ Setting the polarity of the state output Open the setting window of Control I/O, and select [Negative] or [Positive] in the [ExtOut Pol] item. Synchronizing the Output Frequency with the Power Line or 4.16 the External Signal When you select SYNC for the signal source, you can synchronize the frequency of the internal signal source with the power line or the external signal.
Page 107 3. Press the [Home] soft-key to open the Home screen. In the [Source] item, select [1:Line] (power input) or [2:Ext] (external input signal) as the synchronization signal source. 4. When the internal signal source is synchronized, the measured synchronization frequency value is displayed. Also, the icon is displayed. Lock KP2000AS...
Page 108: Amplifying The External Signal Input
4. Advanced Operation Amplifying the External Signal Input 4.17 When you select EXT for the signal source, you can output the amplified external signal. Also, when you select ADD for the signal source, you can output the amplified external signal after the internal signal is added.
Page 109: Turning The Output On Or Off Rapidly
⚫ For the combination of the high impedance output off, and output relay control that can be set, see Table 4-6. ⚫ If the output relay control is disabled, the display of the icon is inverted so that it has a black background. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 110: Turning Output Off In The High Impedance State
4. Advanced Operation ◼ Operation procedure 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens. 2. In the [Relay Cntrl] item, select [1:Disable] or [2:Enable]. If you select [2:Enable], the activation of the output relay is enabled.
Page 111 2. In the [Hi-Z Off] item, select [1:Disable] or [2:Enable]. If you select [2:Enable], the high impedance output off function is enabled. If you select [1:Disable], it is disabled. -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ When the high impedance output off function is enabled, the icon changes from --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 112: Enabling Automatic Output-On At Power-On
4. Advanced Operation Enabling Automatic Output-On at Power-On 4.20 You can set the automatic output-on after power-on. If you set the output-on at power-on setting to [ON], the message window as shown in Figure 4-5 is displayed for about 10 seconds after you turn on the power and the self check at start-up, until the output becomes on automatically.
Page 113: Key Lock
You can set whether or not a beep sounds when performing key operations or limiter operations. If the protection function is activated, the unit beeps regardless of the settings. ◼ Operation procedure 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens. KP2000AS...
Page 114: Changing The Screen Brightness
4. Advanced Operation 2. Select the [Beep] item to open the setting window. 3. Set to On/Off the beep sound for limiter operations in the [Limiter] item, and the beep sound for key operations in the [Key] item. Changing the Screen Brightness 4.23 You can change the brightness of the LCD screen backlight.
Page 115 ⚫ In a multi-unit system, you can set the brightness for each unit individually. --------------------------------------------------------------------------------------------------------------------------------- ◼ Operation procedure (slave) 1. Press the [LCD] soft-key to open the window for adjusting the LCD. 2. Adjust the brightness in the [Brightness] item in the same way as for a master. KP2000AS...
Page 116: Using The Shutdown Function
Connect the terminals of the provided SHUT DOWN connector so that it is short-circuited during normal operation and open during shutdown, and then insert it into the SHUT DOWN connector of the unit. For the specifications of the non-voltage contact, see 10.3. KP2000AS internal circuit 5 kΩ...
Page 117: Setting The Date And Time
The setting range is as follows. 00:00:00 on January 1, 2022, to 23:59:59 on December 31, 2099 ◼ Operation procedure 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens. KP2000AS...
Page 118 3. Enter the date and time, and then finally select [OK]. -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ This product has a built-in battery. As the battery depletes, the time will deviate. For replacement of the battery, contact the seller (NF Corporation or our agent) from whom you purchased this product. ---------------------------------------------------------------------------------------------------------------------------------...
Page 119: Restoring Initial Settings
○ Current External interfaces × External control function × Disabled SHUT DOWN × Disabled Clipped Sine Wave * ○ Clip ratio specified Clip ratio: 100 % Crest factor: 1.41 * All three of the clipped sine waves are initialized. KP2000AS...
Page 120: Restoring The Factory Default State
4. Advanced Operation ◼ Operation procedure 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens. 2. Put the cursor on [Exec] next to the [Reset] item, then press the ENTER key. The reset operation is performed.
Page 121 3. The execution dialog box opens. Press the Enter key to start initialization and set the factory default settings. -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ A factory setup is not performed with a multi-unit system. Perform it during single unit operation. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 123: Description Of Screen And Menu
5. Description of Screen and Menu Screen Configuration ······································· 108 Menu Composition ··········································· 111 KP2000AS...
Page 124: Screen Configuration
5. Description of Screen and Menu Screen Configuration Figure 5-1 shows the basic screen configuration. It consists of display areas marked as “a” to “i”. The description of each area is shown in Table 5-1. Figure 5-1 Component Name (Display Areas on the Screen) Table 5-1 Component Name (Display Areas on the Screen) Symbol Area name...
Page 125: Status Icon
Displays the currently selected remote interface. In the local state, the icon is displayed in black. In the remote control state, the icon is lit in green. Unadjusted Unadjusted. This icon means the abnormal state of – the product. Contact us or our agent. KP2000AS...
Page 126: Measured Value Display Items
5. Description of Screen and Menu 5.1.2 Measured Value Display Items The items displayed in the measured value area are shown in Table 5-3. Table 5-3 Measured Value Display Items Item Description Icon With SYNC, the internal signal source is synchronized with the external signal or the power line.
Page 127: Menu Composition
5.2 Menu Composition Menu Composition The menu composition of this product is shown in Figure 5-2. Press the MENU key to move to the root menu. Figure 5-2 Menu Composition KP2000AS...
Page 128: Menus Of The Continuous Function
5. Description of Screen and Menu 5.2.1 Menus of the Continuous Function The menus of the Continuous function are shown in Table 5-5. You can open each menu by using a soft-key. Table 5-5 Menus of the Continuous Function Description Menu Refer to Switches the output voltage range.
Page 129: System Menu
Continuous is displayed. – PwON Output Enables/disables the function to turn on the output at power-on. 4.20 Shut Down Enables/disables the shutdown function. 4.24 4.26.2 Factory Set Restores the factory default settings. 4.25 Date/Time Sets the date and time. KP2000AS...
Page 131: Remote Control
6. Remote Control Communication Interface ··································· 116 Remote/Local State Switching ··························· 124 KP2000AS...
Page 132: Communication Interface
6. Remote Control Communication Interface This product is provided with the USB, RS232, LAN, and GPIB (option) communication interfaces and is remote-controllable by a computer. The remote control allows almost all the operations available on the control panel to be performed. In addition, it can read the internal state such as setting values and errors.
Page 133 -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ Avoid use in a place under electrically noisy environment. ⚫ It is recommended to use a fully-shielded, short cable. ⚫ The use of USB hub may cause the product not to communicate properly. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 134: Rs232
6. Remote Control ◼ About USB ID Used to identify each product from the application when multiple KP2000AS units are connected through USB in the system. The USB ID is represented in the following format. USB0::[Vendor number]::[Product number]::[Serial number]::INSTR Vendor number:...
Page 135 -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ Avoid use in a place under electrically noisy environment. ⚫ Turn off this product and the computer before connecting or disconnecting the cable. ⚫ Binary transmission is not supported. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 136: Lan
6. Remote Control 6.1.3 LAN For the interface specifications, see 10.24. For how to set LAN interface, refer to the Instruction Manual (Remote Control). ◼ Operation procedure 1. Connect this product and computer with LAN cable. LAN connector is available on the rear of this product.
Page 137 When communication becomes possible, the LAN icon is displayed. See the Instruction Manual (Remote Control). -------- Notes ------------------------------------------------------------------------------------------------------------ ⚫ Avoid use in a place under electrically noisy environment. ⚫ Turn off this product and the computer before connecting or disconnecting the cable. ⚫ Binary transmission is not supported. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 138: Gpib
6. Remote Control 6.1.4 GPIB This product is compliant with the GPIB IEEE Standard 488.1-1987. The GPIB-based remote control is available. For the interface specifications, see 10.24. ◼ Operation procedure 1. Press the MENU key to move to the root menu, and then select [System]. The system setting window opens.
Page 139 ⚫ Ensure that the length of one cable is within 4 meters. ⚫ Do not set the same address as the one used for any other device connected to the same bus. Otherwise, the product cannot communicate properly. --------------------------------------------------------------------------------------------------------------------------------- KP2000AS...
Page 140: Remote/Local State Switching
6. Remote Control Remote/Local State Switching 6.2.1 Remote state In the Remote state, the control panel key operations are not accepted. However, the output off (OUTPUT key) and the switching to the Local state ( ) are accepted. ◼ Switching to the Remote state When communication is established after the command is sent from the computer to this product, this product switches to the Remote state.
Page 141: Options
7. Options System Cable (for Boost-up) ····························· 126 GPIB ···························································· 126 Rack-Mount Adapter ········································ 126 Replacement Air Filter ····································· 130 Power Cable ·················································· 130 KP2000AS...
Page 142: System Cable (For Boost-Up)
System Cable (for Boost-up) This cable is used to configure a 1P2W system by connecting two KP2000AS. This option can be requested at the time of order or added after the purchase. For how to configure a 1P2W system, see 3.4.
Page 143: Figure 7-1 Outline Dimensional Drawing (Rack-Mount Adapter [Inch])
7.3 Rack-Mount Adapter Part A details (1:1) Figure 7-1 Outline Dimensional Drawing (Rack-mount Adapter [inch]) Part A details (1:1) Figure 7-2 Outline Dimensional Drawing (Rack-mount Adapter [mm]) KP2000AS...
Page 144: Figure 7-3 Assembly Diagram (Rack-Mount Adapter [Inch])
7. Options Part No Name 部品番号品名数量 Rack mount, EIA, L  ① ラックマウント・EIA・L Rack mount, EIA, R  Countersunk machine screw (M48)  ② ラックマウント・EIA・R ③ 小ねじ・サラ・M4×8 Remove the attached cover. 4 in all Remove the attached rubber feet and screws. 4 in all Figure 7-3 Assembly Diagram (Rack-mount Adapter [inch]) PROGRAMMABLE AC/DC POWER SOURCE...
Page 145: Figure 7-4 Assembly Diagram (Rack-Mount Adapter [Mm])
Countersunk machine screw (M48)  ③ ラックマウント・JIS・スペーサ Countersunk machine screw (M38)  ④ 小ねじ・サラ・M4×8 ⑤ 小ねじ・サラ・M3×8 Remove the attached cover. 4 in all Remove the attached rubber feet and screws. 4 in all Figure 7-4 Assembly Diagram (Rack-mount Adapter [mm]) KP2000AS...
Page 146: Replacement Air Filter
7. Options Replacement Air Filter A set of replacement air filters on the front grill. This option can be requested at the time of order or added after the purchase. For how to replace the air filters, see 9.2. Table 7-4 Replacement Air Filter Model Names Model name Product name PA-001-3884...
Page 147: Troubleshooting
8. Troubleshooting Error Messages and Error Handling ···················· 132 When a Failure is Suspected ····························· 138 KP2000AS...
Page 148: Error Messages And Error Handling
8. Troubleshooting Error Messages and Error Handling 8.1.1 Error Message Screen An error message screen opens as shown in Figure 8-1, for example, in case that the protection function is activated. The description of each item is shown in Table 8-1. Figure 8-1 Error Message Screen Example Table 8-1 Description of the Error Message Screen Symbol...
Page 149: Protection Operation Types
In this case, an error message appears after the output off. ◼ Icon display The output state remains unchanged. The panel shows an icon instead of an error message. The panel operation is available as usual. KP2000AS...
Page 150: Error Message List
Message The AGC setting becomes off because of display only out of the calibration range. Invalid in Sequence Edit Message Contact the seller (NF Corporation or our display only agent) from whom you purchased this Invalid in Sequence Message product.
Page 151 There is a communication error between the Power Unit Lock firmware and the power unit. Cycle the power. If it still occurs, contact the seller (NF Corporation or our agent) from whom you purchased the product. Internal Communication System There is an internal communication error.
Page 152 Power Unit Internal Error Output off This is a power unit internal error. If it occurs repeatedly, contact the seller (NF Corporation or our agent) from whom you purchased the product. Limiting The wattage limiter is activated.
Page 153 Cause or Necessary action type Battery Depleted Message The built-in battery has depleted. Contact display only the seller (NF Corporation or our agent) from whom you purchased this product. Current Parameters Message When the output parameters read from the Rounded...
Page 154: When A Failure Is Suspected
When a Failure is Suspected When a symptom occurs that suspects a failure, take an action according to Table 8-3. If it does not solve the problem, contact the seller (NF Corporation or our agent) from whom you purchased the product.
Page 155 Type is set to value for the waveform before the setting value. Clip (specified clip ratio being clipped. To set a value for mode). the clipped waveform, set the Type to the specified crest factor mode (Type: CF). →4.4 KP2000AS...
Page 156 8. Troubleshooting Table 8-3 Actions When a Failure is Suspected (Continued) Category Symptom Possible cause Necessary Actions Output- An error The protection function Connect a load within the related message is was activated due to maximum output range or problem displayed.
Page 157 USB eject operation was Perform the USB eject operation memory do not performed. (4.6) again just in case, and memory appear on the remove the USB memory. screen. Reconnect the USB memory and make sure the file names are displayed. KP2000AS...
Page 158 Check the master/slave setting of each unit. →3.4.2, 3.4.3 Different models are If a model any other KP2000AS is connected. in the 1P2W system configuration, the entire 1P2W system cannot start up. PROGRAMMABLE AC/DC POWER SOURCE...
Page 159: Maintenance
9. Maintenance Preface ························································· 144 Daily Maintenance ·········································· 144 Repacking and transportation ···························· 145 Product Information Display ······························ 146 KP2000AS...
Page 160: Preface
9. Maintenance Preface This chapter describes the following. ⚫ daily maintenance ⚫ cautions and storing for nonuse over a long period ⚫ cautions and repackaging for transportation. ⚫ checking firmware version For the simple operation check, see 2.6. Daily Maintenance The product shall be installed in a location that satisfies the installation conditions (see 2.2).
Page 161: Repacking And Transportation
⚫ In order for the main unit to be sufficiently protected from impact during transportation, pack it with a shock absorber such as AirCap. ⚫ When requesting transportation, instruct the carrier that this product is a precision equipment. ⚫ Be sure to include the instruction manual at transportation. KP2000AS...
Page 162: Product Information Display
9. Maintenance Product Information Display The model name, firmware version, and other information about this product are displayed. ◼ Operation procedure for checking from the system menu 1. Press the MENU key to move to the root menu, and then select [System]. The System menu opens. 2.
Page 163 A 2D barcode is displayed on the second page of the System menu. The information in the 2D barcode consists of our company name, model name, manufacturing number, device information, firmware version, date last adjusted by NF Corporation, and date last calibrated by NF Corporation. KP2000AS...
Page 165: Specifications
10.25 USB Memory Interface ····································· 168 10.26 Waveform Monitor Output ································· 169 10.27 SHUT DOWN Input ········································· 169 10.28 Operation Environment ···································· 170 10.29 Externals, Mass, and Terminal Block ··················· 171 10.30 Option ·························································· 171 10.31 Outline Dimensional Drawing ···························· 172 KP2000AS...
Page 166 10. Specifications Specifications are valid under the following settings and conditions and after a warm -up period of 30 minutes at least, unless otherwise noted. Load: Resistive load, power factor = 1. Signal source: INT (internal signal source). Output voltage waveform: sine. Remote sensing: off.
Page 167: Output Function
DC component temporally occurs, for example, by sudden change of voltage or phase. The signal source and amplification section of this product are DC-coupled. Only the DC setting is available. The signal sources that can be combined are INT and VCA. KP2000AS...
Page 168: Signal Source
10. Specifications Signal Source 10.4 Single-unit 1P2W system Signal source INT, VCA, SYNC, EXT, ADD Description Uses the internal signal source. Sets the output voltage, output waveform, frequency, output on phase, and output off phase by using the panel or the external interface such as USB. Uses the internal signal source.
Page 169: Constant Voltage Output
80 % or higher of the rated output voltage, the maximum current or lower, AC and ACDC, THD. In the 1P3W system and the 3P4W system, this specification is the value for the phase voltage. In the case of the AC and 23 °C5 °C. KP2000AS...
Page 170: Dc Voltage Output
10. Specifications 10.5.2 DC Voltage Output [V]=Vdc, [A]=Adc, unless otherwise noted. The polarity is relative to the Lo terminal. Single-unit 1P2W system Output phase 1P2W configuration Floating output, the Lo terminal can be grounded. Rated output voltage 100 V / 200 V Voltage setting range −227.0 V to +227.0 V / −454.0 V to +454.0 V Setting resolution...
Page 171: Soft Start And Soft Stop
When the output frequency is between 10 and 40 Hz, the peak output current is within the maximum current. *18: For power input 200 V, DC or 45 Hz to 65 Hz, no load, and rated output voltage. KP2000AS...
Page 172: Power Input
10. Specifications 10.10 Power Input Single-unit 100 V to 230 V 10 %, with limited to 250 V or lower, Voltage Overvoltage Category II 50 Hz 2 Hz or 60 Hz 2 Hz Frequency Phase Single-phase Power factor 0.95 or higher (typ.) Efficiency 80 % or higher (typ.) Maximum...
Page 173 Resolution 0.01 *28: The power factor is not displayed in the DC. Synchronization frequency (only SYNC) Single-unit 1P2W system Display range 38.0 Hz to 550.0 Hz Resolution 0.1 Hz 40 Hz to 550 Hz: 0.2 Hz Accuracy KP2000AS...
Page 174: Current Limiter
10. Specifications Harmonic analysis (AC-INT) Single-unit 1P2W system Measurement object Output current, Output voltage, Sensing output voltage Measurement item Effective value, Percentage of the effective value relative to the fundamental. Frequency range 40 Hz to 550 Hz (fundamental wave) Measurement range Up to 1st to 50th order of the fundamental wave.
Page 175: Setting Range Limit Function
−227.0 V to −0.1 V / −454.0 V to −0.1 V (Peak value) voltage −227.0 V / −454.0 V Factory default Resolution 0.1 V *31: The limitation is applied to the additional values of the AC voltage setting (recalculated to a peak value) and the DC voltage setting. KP2000AS...
Page 176: Frequency Setting Limit Function
10. Specifications 10.14.2 Frequency Setting Limit Function Frequency setting limit (the lower limit  the upper limit) Single-unit 1P2W system Upper limit Setting Range 40.00 Hz to 550.0 Hz (AC) 1.00 Hz to 550.0 Hz (ACDC) Factory default 550.0 Hz (AC, ACDC) Setting Range Lower limit 40.00 Hz to 550.0 Hz (AC)
Page 177: Agc
(in the case of DC or 40 Hz to 550 Hz, 50 V or higher output voltage, resistance load, the output current is the maximum current or less) *32: The values of the calibration range and accuracy are the ones at the time when the Autocal is turned KP2000AS...
Page 178: Clipped Sine Wave
10. Specifications 10.18 Clipped Sine Wave The peak clipped sine wave can be output, based on the crest factor (CF) setting or the percent setting to the peak value. Single-unit 1P2W system Number of memories 3 (non-volatile) Variable range 1.10 to 1.41 Factory default 1.41 Setting resolution...
Page 179: External Signal Input (Only Ext And Add)
40 Hz to 550 Hz Input terminal BNC connector (rear panel, unbalanced) Input impedance 1 M Threshold of input voltage Low: 0.8 V or less, High: 2.6 V or more, chassis potential 300 s Minimum pulse width Nondestructive maximum input 10 V voltage KP2000AS...
Page 180: General Function
10. Specifications 10.20 General Function Description Factory default LCD display Brightness 0 to 99 setting Beep (key operation and On or Off erroneous operation, Alarms on abnormal situation regardless of the setting limiter operation) Key lock On or Off On: Only key lock-off and output-off are available High impedance output off Setting high impedance output off function *37 *38 *39...
Page 181: Memory Function
Disable Output function Continuous DC offset setting 0 mV Measurement unit selection Remote sensing General function See 10.20 Waveform monitor output target Current (L1 phase) External interface External control Disable Clipped sine wave See 10.18 SHUT DOWN input Disable KP2000AS...
Page 182: Self-Diagnosis/Protection Function
10. Specifications 10.22 Self-diagnosis/Protection Function At power-on Description ROM check Checks the internal ROM. RAM check Checks the internal RAM. Basic Setting Memory check Checks the Basic Setting Memory. System Setting Memory check Checks the System Setting Memory. Waveform Memory check Checks the Waveform Memory.
Page 183: External Interface
USB interface (USB2.0, Type B) Item Description Device class USBTMC-USB488 subclass Already assigned for each device “LF” Terminator Full-Speed USB Signal rate *45: The use of USB hub may cause a communication failure. It is recommended to use a fully -shielded, short cable. KP2000AS...
Page 184: Usb Memory Interface
10. Specifications RS232 interface *46 *47 Item Description or Selection Factory default Terminal D-sub 9-pin (male, UNC #4-40 screw) Baud rate 9600 / 19200 9600 bps “CR” “LF” / “CR” / “LF” “CR” “LF” Terminator Parity None/Odd/Even None Stop bit 1 / 2 1 bit Data bit...
Page 185: Waveform Monitor Output
Pull-up to +5 V via 5 k Input signal *51 Low or High (operation stops on high). Enable or Disable selectable. *51: In the 1P2W system, booster is linked to the system master. The input terminals of the booster are disabled. KP2000AS...
Page 186: Operation Environment
10. Specifications 10.28 Operation Environment Single-unit Operation Environment Indoor, Pollution Degree 2 Altitude 2000 m or lower Operating temperature/ 0 °C to +50 °C, 5 % to 85 %RH humidity The absolute humidity should be 1 to 25 g/m , without dew condensation. On some specifications, the temperature range limit is stricter.
Page 187: Externals, Mass, And Terminal Block
EIA or JIS standard PA-001-3882 after purchase compliant rack. JIS (mm) PA-001-3883 On order and Replacement Air Filter Replacement air filter. after purchase PA-001-3884 On order and Power Cable (Approx. 3 m) Cables for the power input. after purchase PA-001-3885 KP2000AS...
Page 188: Outline Dimensional Drawing
10. Specifications 10.31 Outline Dimensional Drawing Figure 10-2 KP2000AS PROGRAMMABLE AC/DC POWER SOURCE...
Page 189 All NF products are warranted against defects in materials and workmanship for a period of one year from the date of shipment. During the warranty period, NF will repair the defec tive product without any charge for the parts and labor.
Page 191 • Information provided in this manual is intended to be accurate and reliable. However, we assume no responsibility for any damage regarding the contents of this manual. • We assume no responsibility for influences resulting from the operations in this manual. ©Copyright 2024, NF Corporation Programmable AC/DC Power Source KP2000AS Instruction Manual...
Page 193 NF Corporation...

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