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Operating basics

R&S

NGU

User Manual 1179.2531.02 ─ 03

Function

Description

Touchscreen

If touch input is disabled, the icon is displayed and
highlighted in yellow.

See

Chapter 5.3.1.3, "User key"

on page 39.

SCPI command

If a SCPI command is received successfully, the
icon blinks once in white.

If an error is in the SCPI error queue, the icon is
highlighted in red.

If no activity, icon is displayed in gray.

See

Chapter 7, "Remote control commands"

on page 105.

Trigger event

Icon blinks once in white when a trigger event
occurs.

See

Figure 6-35

Data logging

If data logging is present, the icon is highlighted in
white.

If an error is present, the icon is highlighted in red.

See

Chapter 6.13, "Data logging"

on page 79.

USB

If USB device is busy, the icon is highlighted in
white.

If USB device is idle, the icon is highlighted in gray.

LAN interface

If connected, the icon is highlighted in white.

If no connection or an error is present in connection,
the icon is highlighted in red.

See

Chapter 6.19, "Interfaces"

on page 89.

Time

Time displays in hh:mm:ss format.

See

Chapter 6.20.4, "Date and time"

on page 102.

Channel status bar

Function

Description

Channel number

Channel number indication.

Operation mode

The R&S

NGU has three operating modes:

●

CV: Constant voltage mode

●

CC: Constant current mode

●

CR: Constant resistance mode. Available only
with R&S NGU201 model, the R&S

NGU goes

into this mode when operates in sink mode and
the "Constant Resistance" mode is activated.

See

Chapter 5.5, "Operation modes"

on page 41.

OCP

If enabled, the icon is highlighted in white.

If triggered, the icon blinks.

See

Chapter 6.8.1, "Overcurrent protection (OCP)"

on page 65.

Display overview

www.allice.de

Allice Messtechnik GmbH

Summary of Contents for 3639.3763.02

Page 1: ...R S NGU Source Measure Units User Manual 1179253102 Version 03 ÝIO2 www allice de Allice Messtechnik GmbH ...

Page 2: ...GU K106 Battery simulation 3663 0625 02 2022 Rohde Schwarz GmbH Co KG Muehldorfstr 15 81671 Muenchen Germany Phone 49 89 41 29 0 Email info rohde schwarz com Internet www rohde schwarz com Subject to change data without tolerance limits is not binding R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners 1179 2531 02 Version 03 R S NGU Throughout this m...

Page 3: ...onventions for procedure descriptions 11 1 4 3 Notes on screenshots 11 2 Welcome to R S NGU 12 3 Important notes 13 3 1 Symbols 13 3 2 Ambient conditions 13 3 3 Measurement categories 14 3 4 Mains voltage 14 3 5 Limits 15 4 Getting started 16 4 1 Putting into operation 16 4 1 1 Safety 17 4 1 2 Intended operation 18 4 1 3 Unpacking and checking the instrument 19 4 1 4 Setting up the instrument 20 4...

Page 4: ... window 33 5 2 2 1 Settings button 34 5 2 2 2 Voltage and current inputs 34 5 2 3 Input data 35 5 3 Front panel keys 36 5 3 1 Menu controls 36 5 3 1 1 Home key 36 5 3 1 2 Settings key 36 5 3 1 3 User key 39 5 3 2 Navigation controls 40 5 3 3 Output and channel controls 40 5 4 Power derating 40 5 5 Operation modes 41 5 5 1 Voltage and current priority modes 42 6 Instrument functions 44 6 1 Setting ...

Page 5: ...ection OPP 66 6 8 4 Safety limits 67 6 8 5 Oscillation detection 68 6 9 Trigger Digital I O 68 6 10 Advanced features 73 6 10 1 Arbitrary 73 6 10 2 Ramp 76 6 11 User key 77 6 12 Screenshot 78 6 13 Data logging 79 6 14 FastLog 81 6 15 CSV settings 82 6 16 Graphical view window 84 6 17 File manager 86 6 18 Store and recall 87 6 19 Interfaces 89 6 19 1 Network connection 90 6 19 1 1 LAN connection 91...

Page 6: ...5 1 Safety limit setting 117 7 5 2 Voltage setting 120 7 5 3 Current setting 124 7 5 4 Resistance setting 128 7 5 5 Combined setting of voltage and current setting 130 7 5 6 Output setting 131 7 5 7 Ranges DVM PLC setting 138 7 5 8 Source priority mode setting 142 7 5 9 Modulation input 142 7 5 10 Power line cycle setting 143 7 5 11 OCP setting 143 7 5 12 OVP setting 149 7 5 13 OPP setting 152 7 5...

Page 7: ...and support 193 8 1 Maintenance 193 8 2 Contacting customer support 193 Annex 195 A Additional basics on remote control 195 A 1 Messages and command structure 195 A 1 1 Messages 195 A 1 2 SCPI command structure 196 A 2 Command sequence and synchronization 201 A 2 1 Preventing overlapping execution 202 A 3 Status reporting system 202 A 3 1 Structure of a SCPI status register 202 List of commands 20...

Page 8: ...Contents R S NGU 8 User Manual 1179 2531 02 03 www allice de Allice Messtechnik GmbH ...

Page 9: ...ind safety information Safety information is part of the product documentation It warns you about the poten tial dangers and gives instructions how to prevent personal injuries or damage caused by dangerous situations Safety information is provided as follows The printed Basic Safety Instructions provide safety information in many lan guages and are delivered with the R S NGU Throughout the docume...

Page 10: ...ng conditions and further important information The printed document is delivered with the instrument 1 3 2 Data sheet The datasheet contains the technical specifications of the R S NGU source measure units It also lists all options with their order numbers and accessories See www rohde schwarz com brochure datasheet ngu 1 3 3 Calibration certificate The document is available on https gloris rohde...

Page 11: ...le to per form the same task In this case the procedure using the touchscreen is described Any elements that can be activated by touching can also be clicked using an addition ally connected mouse The alternative procedure using the keys on the instrument or the on screen keyboard is only described if it deviates from the standard operating pro cedures The term select may refer to any of the descr...

Page 12: ... sequences with a timeframe as short as 100 µs It allows varying the voltage or current during a test sequence for example to simulate different charging conditions of a battery With Ramp function the R S NGU provides the operating condition to ramp up the supply voltage within a defined timeframe of 10 ms to 10 s All R S NGU source measure units are equipped with a color TFT display 800 pixels x ...

Page 13: ...o not operate with high dust and humidity levels if danger of explosion exists or with aggressive chemical agents Any operating position may be used however adequate air circulation must be main tained For continuous operation a horizontal or inclined position integrated stand is preferable Specifications with tolerance data apply after a warm up period of at least 30 minutes at a temperature of 2...

Page 14: ...e source of the low voltage installations e g meters Measurement CAT III Measurements in building installations e g power distribu tion installations power switches firmly installed sockets firmly installed engines etc Measurement CAT II Measurements on circuits electronically directly connected to the mains e g household appliances power tools etc 0 instruments without measured measurement catego...

Page 15: ... a possi ble electrical shock The maximum values for the instrument must not be exceeded The protection limits are listed on the front panel of the R S NGU to ensure the safe operation of the instrument These protection limits must be adhered to Specification Limits Maximum output voltage 20 05 VDC Maximum output current 8 01 A 6 V 3 01 A 6 V Maximum voltage against earth 250 V peak Maximum counte...

Page 16: ...due to inappropriate operating conditions Specific operating conditions are required to ensure accurate measurements and to avoid damage to the instrument Observe the information on appropriate operating conditions provided in the basic safety instructions and the instrument s data sheet Instrument damage caused by electrostatic discharge Electrostatic discharge ESD can damage the electronic compo...

Page 17: ... ends Note the EMC classification in the data sheet 4 1 1 Safety Recommendations on secure operation The R S NGU is designed to operate at local workplaces or in secured networks LAN It should not be accessible from the internet because of a potential security risk e g attackers could misuse or damage your device Please always install the latest firmware It is highly recommended that you work clos...

Page 18: ...ger be assumed when Instrument shows visible damage Instrument includes loose parts Instrument no longer functions properly After an extended period of storage under unfavorable conditions e g out doors or in damp rooms After rough handling during transport e g packaging that does not meet the minimum requirements by post office railway or forwarding agency Exceeding the low voltage protection Use...

Page 19: ...s and commercial areas and small businesses The instrument is designed for indoor use only Before each measurement you need to verify at a known source if the instrument functions properly To disconnect from the mains unplug the IEC socket on the back panel See Table 4 1 for the general data on the instrument specification Table 4 1 General data on instrument specification General data Mains nomin...

Page 20: ... shipping an instrument the original packaging should be used If you do not have the original packaging use sufficient padding to prevent the instrument from moving around inside the box Pack the instrument in antistatic wrap to protect it from electrostatic charging Secure the instrument to prevent any movement and other mechanical effects dur ing transportation Delivery package The package conte...

Page 21: ...the installation instructions supplied with the rack adapter Ambient temperature Place the R S NGU source measure unit in an area where the ambient temperature is within 5 C to 40 C The R S NGU source measure unit is fan cooled and must be installed with sufficient space along the sides to ensure free flow of air 4 2 Instrument tour This chapter provides an overview of all the controls available i...

Page 22: ... Power key 7 USB connector Menu control keys 1 The menu control keys allow you to access the home window device channel menu window and user button key in the instrument For a detailed description on menu control keys see Chapter 5 3 1 Menu controls on page 36 Display 2 The display is a color TFT touch screen with measurement settings and functions pro vided in the channel display area The status ...

Page 23: ...NGU201 model is a 2 quadrant source measure unit R S NGU401 model is a 4 quadrant source measure unit Both models are equipped with Force High 2 x Force Low Sense High Sense Low and a ground terminal With a jumper connecting the ground terminal and the additional Force Low connec tor the R S NGU provides good ground connection which is essential when measur ing very small voltages and currents Pow...

Page 24: ...oltage selector 8 Main supply cord Do not use detachable mains supply cord with inadequate rating The power cable must be plugged in before signal circuits can be connected Do not use the product if the power cable is damaged See Chapter 4 2 2 Switching on the instrument on page 26 for more information The built in voltage selector selects the mains voltage between 100 V 115 V and 230 V All voltag...

Page 25: ...rol operation Ethernet connector 12 10 100 Ethernet port for remote control operation via the local area network For a detailed description on the connection setup see Chapter 6 19 1 1 LAN con nection on page 91 Option IEEE 488 GPIB interface 13 An IEEE 488 GPIB interface can be ordered with option R S NGU B105 P N 3661 0763 02 This interface is not user installable Digital I O connector 14 The Di...

Page 26: ... corresponds to the mains voltage 100 V 115 V or 230 V Fuse rating The R S NGU uses the same fuse ratings for all mains voltages To change power fuse mains voltage setting 1 Peel off the yellow label sticker on the AC inlet 2 Release the latch of the fuse holder which is located at both side of the socket and pull it out 3 Pull out the removable part of the fuse holder 4 Turn this removable part u...

Page 27: ...e and sink current When the voltage across the output terminal exceeds the set voltage current flows into the instrument The default behavior Auto can be configured in output menu to set the output operat ing mode see Chapter 6 2 3 4 Output mode on page 51 On the display sink mode is in operation if negative current in shown for NGU201 However if both voltage and current are shown as opposite sign...

Page 28: ...lay font color in the home window turns cyan In normal sink mode the colors are the same as in source mode green if the current flowing into the R S NGU is below the set current and red if the current is limited to the set value The only visible indication of sink mode is the change of sign of the current readout to Minus Color illuminated on front panel keys and display font color of voltage and ...

Page 29: ... information and control settings of the instrument 1 2 3 Figure 5 1 Home window of R S NGU in voltage priority mode 1 Device status bar 2 Channel status bar 3 Channel display area 5 1 1 Status bar information There are two types of status bar One shows device status information and the other shows the channel status information Device status bar Display overview www allice de Allice Messtechnik G...

Page 30: ...icon is highlighted in white If USB device is idle the icon is highlighted in gray LAN interface If connected the icon is highlighted in white If no connection or an error is present in connection the icon is highlighted in red See Chapter 6 19 Interfaces on page 89 Time Time displays in hh mm ss format See Chapter 6 20 4 Date and time on page 102 Channel status bar Function Description Channel nu...

Page 31: ...tage recovery 20 mV switches between 30 µs and 100 µs See Chapter 6 2 2 Fast transient response on page 47 Internal Impedance If enabled the icon is highlighted in white Safety Limits If enabled the icon is highlighted in white See Chapter 6 8 4 Safety limits on page 67 Output Delay If enabled the icon is highlighted in white The delay is the time between activation of the out put and applying vol...

Page 32: ... channel menu window Long press on the button opens the graphical view window for measurements 6 Minimum average and maximum value for power voltage and current measurements with energy cal culation and number of samples used for measurement 7 Output current displays in ampere with display resolution of six decimal points 8 9 Set current level for sink and source mode with level limits defined in ...

Page 33: ...at the output connectors sink mode and constant resistor is switched on in channel menu 5 2 Using the touchscreen The R S NGU provides a touch sensitive screen Touch can be disabled see Chap ter 6 11 User key on page 77 in the instrument settings The following illustrates the touchscreen gestures and highlight the different touchscreen features that can be performed on the instrument 5 2 1 Using g...

Page 34: ... on page 84 1 Select the Settings button The R S NGU displays device channel menu window 2 Select Device or channel tab Channel 1 to open the menu 3 Swipe up or down for the available items in the menu 4 Select the required items to configure the settings 5 Select the back arrow key or press Back key to close the menu Figure 5 4 Navigation on home window device channel menu window 5 2 2 2 Voltage ...

Page 35: ...confirm your value Figure 5 5 Set voltage and current in home window 5 2 3 Input data The R S NGU provides an on screen keypad for you to enter numerical values Use the back key on the on screen keypad to cancel input of the numerical entries 1 Select a menu item to enter the numeric value The R S NGU displays the on screen keypad 2 Enter the required value 3 Confirm value with the unit key Altern...

Page 36: ... on the available menus in the instrument 5 3 1 1 Home key The Home key navigates to the instrument home window See the display of the home window in Figure 5 1 5 3 1 2 Settings key The Settings key navigates to the device menu and channel menu Long press on the Settings key also navigates to the graphical view window For more information see Chapter 6 16 Graphical view window on page 84 Device me...

Page 37: ...1 model Edit new or existing battery model data Logging Data logging on the instrument timestamp voltage current and power Trigger Activates the trigger source for SCPI command TRG Digital Output Available only with option R S NGU K103 File Manager File transfer function between instrument internal memory and USB stick Interfaces IEEE 488 GPIB interface is available only with option R S NGU B105 C...

Page 38: ...ment settings Resets instrument settings with factory default Channel menu The channel menu provides access to settings and operating conditions on channel output channel trigger conditions and output limit settings Press Home key The R S NGU displays the home window Figure 5 9 Channel 1 menu Menus Description Current Priority Mode The current priority mode is a special mode used for current sensi...

Page 39: ...OVP protection settings OVP level for the instru ment Overpower Protection OPP Configures OPP protection settings OPP power for the instrument Ranges DVM PLC Ranges PLC The Ranges function provides the voltage and current mea surement range settings With correct range settings it increa ses the accuracy of measurements The PLC configures the power line cycles to suppress alter nating current noise...

Page 40: ...Navigate to the previous menu window Close or discard changes made on the on screen keypad Close the instrument pop up messages 5 3 3 Output and channel controls The R S NGU is a single channel source measure unit which comes in the following 2 quadrant R S NGU201 model and 4 quadrant R S NGU401 model Both models can output source current or sink current Function keys Description Output Master out...

Page 41: ...ally between CV and CC depending on the connec ted load When CR is configured the instrument is not switched to CR mode automati cally it operates in CR mode when sinking but source in CV or CC mode CV mode Figure 5 11 shows that if the instrument is in the range of voltage regulation the output voltage Vout remains constant while the current may increase to its maximum value Imax when the connect...

Page 42: ...vercurrent protection OCP on page 65 CR mode To go into CR mode the R S NGU must operate in sink mode where current flows into the instrument and Constant Resistance are enabled With Constant Resistance enabled and configured the R S NGU can set the resist ance in sink mode this allows the R S NGU to behave like an electronic load which is useful in battery test application In CR mode the font tex...

Page 43: ...rolled by a bipolar current control loop In CPM the output voltage can be set to the required positive and negative limits Figure 5 13 Current priority mode To go into the CPM mode the R S NGU must enable the Current Priority Mode mode See Chapter 6 3 Current priority mode on page 52 Operation modes www allice de Allice Messtechnik GmbH ...

Page 44: ... settings Step size 20 V 200 uV 6 V 50 uV 6 A 50 uA 3 A 25 uA 100 mA 1 uA 10 mA 100 nA The setting of current value corresponds to the Imax of the channel It is advisable to set the current limit before operating the instrument to prevent damage to the load and instrument in the case of malfunction such as a short circuit 1 Press Home key The R S NGU displays the home window 2 Set voltage or curre...

Page 45: ... By default the output is turned off when the instrument is switched on Press Output key The R S NGU outputs the set voltage on the channel Depending on the operating mode the font text in the channel display area shows green in CV mode red in CC mode and cyan in CR mode Note The R S NGU goes into CR mode when CR is enabled and the instrument operates in sink mode See Chapter 5 5 Operation modes o...

Page 46: ...el menu window 2 Select the channel tab to apply constant resistance The R S NGU displays the channel menu 3 Select the Constant Resistance from the menu The R S NGU displays the Constant Resistance dialog 4 Activate the Enabled menu item When operates in sink mode condition the R S NGU displays the Constant Resistance icon on the channel status bar information 5 Set the required resistance The R ...

Page 47: ... switched between 30 μs Fast Transient Response ON or 100 μs Fast Transient Response OFF for the output volt age to recover and stay within 20 mV of the nominal output voltage follows by a step change in the load current Figure 6 4 Transient response graph 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the channel tab to apply fast transient response The R S NGU ...

Page 48: ...response the focus is on the stability and should be preferred for capacitive or inductive loads 6 2 3 Output The Output menu provides the settings for output impedance output delay and trig gers action on the output mode 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the channel tab The R S NGU displays the channel menu 3 Select the Output menu item The R S NGU ...

Page 49: ...ansient Response mode is disabled The output impedance is only active during CV constant voltage operation mode 6 2 3 2 Delay 1 Select the Delay menu item to configure the required values The R S NGU displays the Output Delay dialog Figure 6 7 Output delay dialog 2 Set the required value The R S NGU displays the onscreen keypad for entry 3 Confirm value with the unit keys The output delay is the t...

Page 50: ...perating behaviors resume to normal after the delay time Figure 6 9 Delay text at channel display area 6 2 3 3 Trigger events 1 Select the Triggered menu item to activate the trigger event corresponding to the trigger parameters See Figure 6 35 2 Select the Trigger menu item to set the action if a trigger event happens The R S NGU displays the Select Trigger dialog Activating the channel output ww...

Page 51: ... See Source and sink current on page 27 The R S NGU displays the Select Output Mode dialog Figure 6 11 Select output mode dialog 2 Select the required output mode Auto Depending on the voltage across the output terminal the R S NGU goes into sink or source mode Sink The R S NGU goes to sink mode current flows into the instrument On the display sink mode is in operation if negative current in shown...

Page 52: ...rates in to protect cur rent sensitive DUTs By default the R S NGU operates in voltage priority mode For more information see Chapter 5 5 1 Voltage and current priority modes on page 42 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the channel tab to set current priority mode The R S NGU displays the channel menu Figure 6 12 Channel menu 3 Activate the Current P...

Page 53: ... which causes current oscillation at the out put of the source measure unit See blue in Figure 6 15 To prevent such unstable supply conditions the R S NGU provides several bandwidth modes to optimize the output response time with capacitance loads in the capacitance mode In this mode the R S NGU improves the output transient behavior by compen sating the capacitance and displays the current direct...

Page 54: ...e R S NGU displays the device channel menu window 2 Select the channel tab to set capacitance mode The R S NGU displays the channel menu Figure 6 16 Channel menu 3 Select Capacitance Mode to set the bandwidth selection The R S NGU displays the Select Capacitance Mode dialog Capacitance mode www allice de Allice Messtechnik GmbH ...

Page 55: ...llation detector will trig ger and shuts off the output voltage 6 5 Ranges Digital voltmeter DVM PLC Instrument option R S NGU K104 P N 3663 0390 02 option is required for digital voltmeter measure ments DVM For better performance connects the sense connection to the load The sense connec tion is automatically used if connected No configuration is needed Equipped with option R S NGU K104 the R S N...

Page 56: ... power line cycles on the power supply 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the channel tab to configure DVM function The R S NGU displays the channel menu 3 For R S NGU201 model select the Ranges DVM PLC from the menu See Instrument option on page 55 For R S NGU401 model this is Ranges PLC from the menu Figure 6 19 Ranges DVM PLC dialog for R S NGU201 ...

Page 57: ...e duration for which readback acquisition taken before updating the supply values Figure 6 20 Select power line cycles dialog Tip With a main frequency of 50 Hz and a power line cycle setting of 10 cycles the measurement update rate is 10 cycles x 1 50 Hz which is equivalent to 0 2 seconds Measurement range Correct setting of voltage and current range increases the accuracy of the voltage current ...

Page 58: ...dle applications which see a frequent variation of current drawn by the DUT See also Table 6 1 1 Select Current Readback Autorange from Figure 6 19 The Current Readback Autorange dialog is displayed Figure 6 21 Current autorange dialog 2 To enable the Current Readback Autorange function set ON to enable the func tion Select any of the following to configure the current autorange behavior Upshift A...

Page 59: ...rsists shorter than the specified dura tion the instrument does not switch to a lower measurement range Smallest Range The instrument does not switch to a measurement range lower than the defined setting 3 Select Reset Configuration to reset the current autorange behavior to default val ues 6 6 Modulation input Available only with R S NGU401 model The R S NGU401 model provides waveform amplifying ...

Page 60: ... key The R S NGU displays the device channel menu window 2 Select the channel tab to activate modulation input The R S NGU displays the channel menu Figure 6 24 Channel menu 3 Select Modulation Input menu item to configure the modulation input Figure 6 25 Set modulation input dialog Modulation input www allice de Allice Messtechnik GmbH ...

Page 61: ...mulator is active the function safety limits cannot be used Equipped with battery simulator option the R S NGU can be used as a battery source in developing products whereby battery is not ready for testing such as phones and portable devices The R S NGU provides a battery simulator editor to configure the battery model at dif ferent states to analyze the products behavior under specific condition...

Page 62: ...del and current SoC The terminal voltage Vt is the voltage between the battery terminals with applied voltage drop over the ESR Terminal voltage varies with charge or dis charge current Model The loaded battery model applied in the battery sim ulator Battery capacity The storage capacity for the battery Minimum value 1 µAh Maximum value 100 kAh Editing a new value here overwrites the current value...

Page 63: ...ry model edior dialog to edit the new battery model file Figure 6 28 Select source and file location 6 Activate the Enabled menu item The R S NGU enables the battery simulation function Battery model editor The battery model editor allows you to create and edit battery models with custom behavior In the editor the open circuit voltage Voc and the equivalent series resist ance ESR can be defined fo...

Page 64: ...model It is initially filled with the data of the currently selected row Removes the currently selected row from the model 4 Select Capacity and Initial SoC to configure the capacity and initial state of charge of the battery The R S NGU displays the on screen keypad for data entry 5 Select existing file to save the changes made to an existing file or select new file to save the table as a new bat...

Page 65: ...an alert is triggered and the affected channels are turned off according to the settings configured in the OCP dialog 1 Select Overcurrent Protection OCP from the menu The R S NGU displays the OCP dialog Figure 6 31 Overcurrent protection dialog 2 Activate the Enabled menu item The R S NGU enables the OCP and displays the OCP icon on the selected chan nel status bar information 3 Set the required ...

Page 66: ...rotection dialog 2 Activate the Enabled menu item The R S NGU enables the OVP and displays the OVP icon on the selected chan nel status bar information 3 Set the required levels for OVP The R S NGU displays the on screen keypad to set the value 4 Confirm value with the unit key mV or V 6 8 3 Overpower protection OPP When the output power exceeds the limit set for the respective channels an alert i...

Page 67: ...keypad to set the value 4 Confirm value with the unit key mW or W 6 8 4 Safety limits With safety limits set in the instrument the range of the output voltage and or output current can be limited The safety limit prevents inadvertently setting values dangerous for the connected DUT The Safety Limits function is disabled if Arbitrary function or Battery simulator func tion is in use 1 Select Safety...

Page 68: ...ntrol loop may start to oscil late To protect the load an oscillation detector will trigger and deactivates the output If oscillation occurs set to slow transient response or select Capacitance Mode accord ing to the load impedance for improved stability See Chapter 6 4 Capacitance mode on page 53 and Chapter 6 2 2 Fast transient response on page 47 6 9 Trigger Digital I O Digital I O pins voltage...

Page 69: ...record instrument when a channel output is active or protection event is used to trigger the digital out pin which in turn can be used for fuse linking between two instruments The trigger system has two latency types low latency and software latency While low latency triggers are executed faster the software latency does not have additional requirements The low latency actions are highlighted in b...

Page 70: ...meters are triggered See Figure 6 35 User button TRG User button SCPI command TRG remotely send to instru ment If detected corresponding trigger out parameters are triggered See Figure 6 35 Table 6 4 Trigger out signals Trigger out parameters Trigger conditions Descriptions Output channel Output On Output Off Gated If a trigger is detected respective channel output of the instrument turns on or of...

Page 71: ...d the FastLog module is enabled and starts acquiring measurement data Figure 6 36 Digital output fault signal Digital I O connector The Digital I O connector is located below the GPIB connector see Chapter 4 2 1 2 Rear panel on page 23 See Figure 4 4 and Table 4 2 for the Digital I O connector and pins layout 1 Press Settings key The R S NGU displays the device channel menu window 2 Select Trigger...

Page 72: ...able the trig ger out parameters 9 Select Back to go back to Device menu 10 If User Button is set as a trigger in signal select User Button menu item The R S NGU displays the User Button dialog See also Chapter 6 11 User key on page 77 11 Select User Button Action and set as Trigger The R S NGU generates a trigger in signal when user button key is pressed 12 If Logging is set as a trigger out sign...

Page 73: ...age and current on page 44 The Arbitrary and Ramp are two functions which can be used to control the waveform of voltage and current output 6 10 1 Arbitrary The Arbitrary function allows you to generate freely programmable waveforms which can be reproduced within the Safety limits for voltage and current 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the channel ...

Page 74: ...th R S NGU K103 Digital Output option See Chapter 6 9 Trig ger Digital I O on page 68 Activate Start triggered or Step triggered if the arbitrary function is executed under triggered condition Start triggered If triggered the complete arbitrary function is executed Step triggered If triggered every arbitrary step needs a trigger signal to exe cute step time from Arb Editor is ignored Arbitrary edi...

Page 75: ...plays the on screen keypad for data entry 3 Confirm values with the unit keys 4 Select the interpolation checkbox to toggle on off the interpolation function on the arbitrary data 5 Select the or icon to add or delete the arbitrary data from the dialog A new row of data is added at the end of the table It is initially filled with the data of the currently selected row Removes the currently selecte...

Page 76: ...in a set time frame The output voltage can be increased continuously within a 10 ms to 10 s time frame Each channel has an independent ramp configuration See Figure 6 43 Internal resistance Applicable only with R S NGU201 model The internal resistance control is only applied after the ramp is processed until the con figured target value is reached See Chapter 6 2 1 Set constant resistance on page ...

Page 77: ...p Time The R S NGU displays the on screen keypad to set the value 6 Confirm value with the unit key 6 11 User key The R S NGU allows you to configure the user action for one of the following func tions Screenshot image from instrument Instrument trigger function Data logging Reset statistic see index 6 of Figure 5 2 Enable Disable touchscreen function 1 Press Settings key The R S NGU displays the ...

Page 78: ... function Reset Statistics Reset sample count energy result power voltage and cur rent values TouchLock Enable Disable the touchscreen function of the instrument 6 Select Select to confirm the action 6 12 Screenshot With screenshot you can capture image easily from the instrument The images can be stored in the USB stick or internal memory of the instrument By default the screen images are stored ...

Page 79: ...rget folder 5 Select the required save location 6 13 Data logging When data logging is activated the R S NGU records the voltage current and power data and stores it in the predefined target folder The measurement data can be stored on the USB stick or in the instrument internal memory location 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the Device tab to conf...

Page 80: ... Figure 6 48 Target folder dialog 5 Set the required Target Folder 6 Select Mode to set logging duration Duration Time taken for data logging with duration and time interval setting Span Time taken for data logging with start time time interval and duration setting Unlimited Data logging with time interval setting The data logging continuous until function is deactivated Count Data logging with nu...

Page 81: ...ata voltage current either to the USB device or to a SCPI client In SCPI mode the client is required to be connected to the R S NGU before FastLog is enabled FastLog is a much faster data logging for voltage and current measurements This fast logging features the benefit to capture short peak changes in voltage and or cur rent measurements which are particular useful in the measuring of low energy...

Page 82: ...the directory specified in the Target Folder The R S NGU creates a file for each channel and logs the measurement data to the binary file 7 Select Write to SCPI to transfer the data to a SCPI client Note The sum of all sample rates has to be smaller or equal to 500 kS s 6 15 CSV settings A CSV file stores tabular data numbers and text in plain text Each line of the file is a data record and each r...

Page 83: ...gs dialog Figure 6 51 CSV settings dialog 2 Set the required CSV parameters The R S NGU displays the respective dialog to set the CSV parameters See Table 6 5 3 Select Set to confirm the value Table 6 5 CSV settings CSV settings Selective fields in the dialog Field Delimiter Comma Semicolon Decimal Separator Dot Comma CSV settings www allice de Allice Messtechnik GmbH ...

Page 84: ... from 39 seconds ago Each measure ment trace is represented with an individual color The time based scale is fixed with a time duration display up to the last 60 seconds 1 2 3 4 5 6 7 Figure 6 52 Graphical view window 1 Display window for measurement 2 Time axis scale fixed at 5 s div 3 Configuration slot for measurement 4 Reset measurements in display window 5 Zero origin of the graph 6 Time axis...

Page 85: ...availa ble in the configuration dialog The R S NGU displays the configuration dialog Figure 6 54 Configuration dialog 4 Select the available Data Source for configuration The dimmed Data Source is in use and is not configurable 5 Set Enable to activate the selected Data Source for measurement 6 Select the available Color to configure the Data Source measurement trace 7 Set Show Min Max to ON to di...

Page 86: ...al memory of the instrument You can copy and delete files in both USB stick and internal memory of the instrument 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the Device tab to configure file settings for store and recall function The R S NGU displays the device menu 3 Select File Manager from the menu The R S NGU displays the file manager dialog Figure 6 56 Fi...

Page 87: ...ent loads the last stored settings from internal memory location Auto saved parameters are also applied during startup The R S NGU output state is disabled when the recall function is activated Auto saved instrument settings Auto saved of the instrument settings is applied when any of the following parameters are changed Chapter 6 20 General instrument settings on page 99 USB connection mode Ether...

Page 88: ... instrument settings The R S NGU opens a dialog to select source and file location You can save to existing file or create a file for saving 5 Set the source and file location The R S NGU saves the current instrument settings 6 Similar you can select Recall Settings from file to load instrument settings The R S NGU opens a dialog to select source and file location 7 Set the source and file locatio...

Page 89: ... message to show that all settings reset to factory default Figure 6 60 Default settings message 6 19 Interfaces There are various of ways how the R S NGU can be remotely accessed and control led 1 Press Settings key The R S NGU displays the device channel menu window 2 Select the Device tab to configure network connection The R S NGU displays the device menu 3 Select Interfaces The R S NGU displa...

Page 90: ...e necessary parameters required Network connection 90 VNC 93 FTP 95 USB connection 97 GPIB address 98 6 19 1 Network connection The following shows how you can establish a local area network LAN connection with the R S NGU for remote control operation LAN 1 Select Network from the Figure 6 61 The R S NGU displays the Network dialog Interfaces www allice de Allice Messtechnik GmbH ...

Page 91: ...ted in white on the device status bar information 6 19 1 1 LAN connection The R S NGU is equipped with a network interface and can be connected to an Ether net LAN local area network A LAN connection is necessary for remote control of the instrument and for access from a computer using a web browser Risk of network failure Before connecting the instrument to the network or configuring the network ...

Page 92: ...oose to disable dynamic TCP IP configuration you must assign valid address information before connecting the instrument to the LAN Contact your net work administrator to obtain a valid IP address 1 Connect the LAN cable to the LAN connector at the rear panel of the instrument 2 Select LAN to set LAN connection The R S NGU displays the LAN dialog Note The MAC Address is fixed Figure 6 63 Ethernet s...

Page 93: ...nfirm the value 8 Select Apply Configuration to apply the changes 6 19 2 VNC Using a VNC client tool on a computer you can control the R S NGU remotely Alter natively you can remote access the instrument webpage by using the IP address or hostname in a web browser Establish a connection between the computer and R S NGU via same network using LAN 1 Select VNC to set VNC connection The R S NGU displ...

Page 94: ...to On to enable VNC connection 4 On the VNC client tool connect to R S NGU using the device IP address and VNC port number If connected successfully the NGU VNC interface is displayed in the VNC client tool Figure 6 66 VNC client of respective instrument model 5 Alternatively connect to the instrument webpage using the IP address or hostname on the web browser URL bar If connected successfully the...

Page 95: ...nect button To expand the instrument view click the Open in fullscreen link Network Settings Displays IPv4 configurations and settings dialog The Advanced IP configuration provides setting to enable or disable the ICMP Ping service and mDNS and DNS SD service Click Submit to send changes to the instrument Change password Displays dialog to change access password to instrument webpage Documentation...

Page 96: ...t to default after a factory reset See Factory reset on page 88 Username is reset to device model e g NGU201 and password is reset to device serial number e g 123456 3 Set Enabled to On to enable FTP access 4 Run the FTP client of your preference and key in the username password device IP or hostname and FTP port default port number 21 in your FTP client Some FTP clients File Explorer Internet Exp...

Page 97: ...ower Supply The new network location is created Figure 6 70 New network location 6 19 4 USB connection Change of USB class If a change in USB Class is detected i e from TMC to CDC or vice versa the rebooting of instrument is necessary to load the correct USB driver A popup message is displayed A reboot of the device is required for this setting to take effect Figure 6 71 USB class reboot message A...

Page 98: ...ngth between two instruments should not exceed 2m A wired OR connection is used if several instruments are connected in parallel To be able to control the instrument via the GPIB bus the instrument and the controller must be linked by a GPIB bus cable A GPIB bus card the card drivers and the pro gram libraries for the programming language must be provided in the controller The controller must addr...

Page 99: ...ow 2 Select the Device tab The R S NGU displays the device menu 6 20 1 Licenses management Options are enabled by entering a registered license key code You may choose to install from an XML file on USB or by manually entering the key code Select Licenses to install license key code The R S NGU displays the license dialog Active Options that are currently active in the instrument Inactive Options ...

Page 100: ...the USB stick 4 Select the license file to install in the instrument The R S NGU install the license option accordingly If the installation is successful the option is displayed in the Active window To manually enter the key code proceed as follows 1 Select Add key to invoke the license key on screen keyboard Figure 6 75 License key on screen keyboard 2 Enter the key code 30 digit number of the op...

Page 101: ...it number of the option in the entry box 6 Confirm entries with the enter key If the correct key code is entered the R S NGU popup a message Devicekey is removed and the option is displayed in the Deactivation window 6 20 2 Appearance settings Select the Appearance to set display and key brightness The R S NGU displays the appearance dialog Figure 6 76 Appearance dialog 6 20 3 Sound settings 1 Sel...

Page 102: ...d occurs See Chapter 6 8 Protection on page 65 CC Mode Continuous Beep A continuous beep sound alert when any chan nel goes into CC mode See CC mode on page 42 6 20 4 Date and time The time is regarded as UTC There is no timezone selectable 1 Select the Date Time to set date and time format The R S NGU displays the date and time dialog Figure 6 78 Date and time setting dialog General instrument se...

Page 103: ...del Model of the instrument ID Instrument orderable part number Serial No Unique identification number for the instrument Version Software version that is installed in the instrument Hardware IDs Unique serial number of the front and mainboard of the instrument Temperatures Temperature in degrees measured in Ch1 If the temperature exceeded the specification Over Temperature Protection OTP is trigg...

Page 104: ...R S NGU updates the instrument firmware accordingly 6 21 Device documentation You can retrieve the R S NGU Open Source Acknowledgment documentation from the instrument documentation folder int documentation 1 Go to File Manager menu The R S NGU displays the file manager dialog For more information see Chapter 6 17 File manager on page 86 2 Select the documentation folder in the file manager dialog...

Page 105: ...ndard These commands have the same effect and are employed in the same way on different devi ces The headers of these commands consist of followed by three letters Many common commands are related to the Status Reporting System CLS 105 ESE 105 ESR 106 IDN 106 OPC 106 OPT 106 RST 106 SRE 107 STB 107 TRG 107 TST 107 WAI 107 CLS Clear status Sets the status byte STB the standard event register ESR an...

Page 106: ...e Sets bit 0 in the event status register when all preceding commands have been execu ted This bit can be used to initiate a service request The query writes a 1 into the output buffer when all preceding commands have been executed which is useful for command synchronization OPT Option identification query Queries the options included in the instrument For a list of all available options and their...

Page 107: ...Query only TRG Recall Triggers all actions waiting for a trigger event In particular TRG generates a manual trigger signal This common command complements the commands of the TRIGger subsystem Usage Event TST Self test query Initiates self tests of the instrument and returns an error code Return values ErrorCode integer 0 in decimal format An error occurred 0 No errors occurred Usage Query only WA...

Page 108: ...HCP 110 SYSTem COMMunicate LAN DISCard 111 SYSTem COMMunicate LAN EDITed 111 SYSTem COMMunicate LAN HOSTname 111 SYSTem COMMunicate LAN MAC 111 SYSTem COMMunicate LAN RESet 111 SYSTem COMMunicate LAN SMASk 111 SYSTem COMMunicate NETWork VNC PORT 112 SYSTem COMMunicate NETWork VNC STATe 112 SYSTem DATE 112 SYSTem KEY BRIGhtness 112 SYSTem LOCal 113 SYSTem REMote 113 SYSTem RESTart 113 SYSTem RWLock...

Page 109: ...s Mode 1 Control beeper is activated 0 Control beeper is deactivated Example SYSTem BEEPer STATe 1 The front panel control beeper is activated Example SYSTem BEEPer STATe Queries the state of the front panel control beeper Returns 0 for deactivated OFF and 1 for activated ON control beeper SYSTem BEEPer WARNing STATe En Disable warning beep Enables or disables beep sound for errors and warnings Pa...

Page 110: ...ss Sets or queries IP address for LAN Parameters Ip address String containing the IP address x x x x Example SYST COMM LAN ADDR 172 76 68 30 Sets the IP address of the instrument to 172 76 68 30 SYSTem COMMunicate LAN APPLy Apply LAN settings to instrument Usage Event SYSTem COMMunicate LAN DGATeway Gateway Sets or queries the default gateway in the LAN Parameters Gateway String containing the ide...

Page 111: ...ce hostname String containing the instrument hostname Example SYST COMM LAN HOST Returns instrument hostname SYSTem COMMunicate LAN MAC Queries MAC address of the instrument Example SYST COMM LAN MAC Returns the MAC address Usage Query only SYSTem COMMunicate LAN RESet Reset instrument LAN settings Usage Event SYSTem COMMunicate LAN SMASk Subnet mask Sets or queries instrument subnet mask Paramete...

Page 112: ...ON Activates VNC connection SYSTem DATE Year Month Day Sets or queries the system date Parameters Year Sets year of the date Month Sets month of the date Day Sets day of the date Example SYSTem DATE 2018 10 15 SYSTem DATE 2018 10 15 Returns the system date SYSTem KEY BRIGhtness Front key brightness Sets or queries the front panel key brightness Parameters Front key brightness Sets the key brightne...

Page 113: ...t Usage Event SYSTem RWLock Sets the system to remote state The front panel control is locked and a message box is shown on the instrument display You are only able to unlock the front panel control via SCPI command SYSTem LOCal Usage Event SYSTem SETTing DEFault SAVE File path Creates settings file Parameters File path String containing the directory path for file settings saved Usage Setting onl...

Page 114: ...ts or queries the display brightness Parameters Display Brightness Displays brightness for the instrument Range 0 0 to 1 0 Increment 0 1 RST 0 8 Example DISPlay BRIGhtness 0 5 DISPlay BRIGhtness 0 5 Returns the display brightness value DISPlay WINDow TEXT CLEar Clears the text message box on the front display Usage Event DISPlay WINDow TEXT DATA string Displays a text message box on the front disp...

Page 115: ...the trigger system TRIGger SEQuence IMMediate SOURce arg0 TRIGger SEQuence IMMediate SOURce arg0 Sets or queries the trigger source See Figure 6 35 Parameters for setting and query arg0 OUTPut OMODe DIO OUTPut Trigger source is from the output channel OMODe Trigger source is from the different modes CC CR CV Sink OVP OCP OPP and OTP detected from the output channel DIO Trigger source is from DIO c...

Page 116: ...ion mode is detected in CC mode corresponding trigger out parameters are triggered CV If respective channel operation mode is detected in CV mode corresponding trigger out parameters are triggered CR If respective channel operation mode is detected in CR mode corresponding trigger out parameters are triggered SINK If respective channel operation mode is detected in sink mode corresponding trigger ...

Page 117: ...or the upper voltage VOLT ALIM 15 queries the safety limits for the upper voltage VOLT ALIM reponse 15 000 sets the safety limits for the lower voltage VOLT ALIM LOW 0 queries the safety limits for the lower voltage VOLT ALIM LOW reponse 0 000 sets the safety limits for the upper current CURR ALIM 3 queries the safety limits for the upper current CURR ALIM reponse 3 000 sets the safety limits for ...

Page 118: ... voltage numeric value MIN MINimum MAX MAXimum list numeric vaule Numeric value for safety limit MIN MINimum Min value for lower safety limit MAX MAXimum Max value for lower safety limit Range 0 000E 00 to 20 050E 00 NGU201 20 050E 00 to 20 050E 00 NGU401 Increment 0 001 RST 0 000E 00 NGU201 20 050E 00 NGU401 Parameters for setting and query Channel list list Example VOLT ALIM LOW 1 Queries the lo...

Page 119: ... current Setting parameters current numeric value MIN MINimum MAX MAXimum list numeric value Numeric value for lower safety limit MIN MINimum Min value for lower safety limit MAX MAXimum Max value for lower safety limit Range For up to 6V 0 001E 00 to 8 010E 00 For above 6V 0 001E 00 to 3 010E 00 Increment 0 001 RST 8 010E 00 Parameters for setting and query Channel list list Example CURR ALIM LOW...

Page 120: ...ve 6V 0 001E 00 to 3 010E 00 Increment 0 001 RST 8 010E 00 Parameters for setting and query Channel list list Example CURR ALIM UPP 1 Queries the upper safety limit for current at channel 1 Example See Example Configuring the current output on page 125 7 5 2 Voltage setting The SOURce VOLTage subsystem contains the commands for setting the voltage of the output channels The default unit is V Confi...

Page 121: ...OLT ALIM LOW 0 queries the safety limits for the lower voltage VOLT ALIM LOW response 0 000 Set the voltage value selects a channel and sets the voltage VOLT 10 sets the voltage to maximum or minimum respectively VOLT MAX VOLT MIN queries the output voltage of a channel VOLT response 10 000 Query the range of the voltage values queries the upper and lower limit of the output voltage VOLT MIN respo...

Page 122: ...e at 0 000 V MAX MAXimum Maximum voltage at 20 050 V UP Increases voltage by a defined step size See SOURce VOLTage LEVel IMMediate STEP INCRement on page 122 DOWN Decreases voltage by a defined step size See SOURce VOLTage LEVel IMMediate STEP INCRement on page 122 Range 0 000 to 20 05 Default unit V Parameters for setting and query Channel list list Example VOLT 1 Queries the voltage at channel ...

Page 123: ...annel list SOURce VOLTage NEGative LEVel IMMediate AMPLitude Channel list Sets or queries the negative voltage value Parameters voltage numeric value MIN MINimum MAX MAXimum UP DOWN list numeric value Numeric value in V MIN MINimum Minimum voltage at 0 000 V MAX MAXimum Maximum voltage at 64 050 V UP Increases voltage by a defined step size See SOURce VOLTage LEVel IMMediate STEP INCRement on page...

Page 124: ...ge for target voltage Refer the datasheet for the measurement accuracy according to the measurement range selected Parameters arg0 Parameters for setting and query Channel list list Example VOLT RANG 20 Voltage measurement range set to 20 V 7 5 3 Current setting The SOURce CURRent subsystem contains the commands for setting the current limit of the output channels The default unit is A Configurati...

Page 125: ...01 queries the safety limits for the lower current CURR ALIM LOW response 0 001 Set the current value sets the current CURR 2 queries the current CURR response 2 000 Query the range of the current values queries the upper and lower limit of the current CURR MIN response 0 001 CURR MAX response 3 000 Increase or decrease the current stepwise selects the output channel sets the step width and decrea...

Page 126: ...rs for setting and query Optional default step query DEFault Queries the default voltage step size Example CURR STEP 0 005 CURR STEP DEF VOLT STEP DEF 0 1000E 00 Returns the default stepsize for current See Example Configuring the current output on page 125 SOURce CURRent LEVel IMMediate AMPLitude current SOURce CURRent LEVel IMMediate AMPLitude Channel list Sets or queries the current value of th...

Page 127: ...e current value Parameters current numeric value MIN MINimum MAX MAXimum UP DOWN list numeric value Numeric value in the range of 8 0100 A to 0 0001 A MIN MINimum For R S NGU401 model Depending on the set voltage level the minimum current is 8 0100 A For voltage range down to 6 V minimum set current is 8 0100 A For voltage range down to 20 05 V minimum set current is 3 0100 A For R S NGU201 model ...

Page 128: ... Example Configuring the current output on page 125 SOURce CURRent RANGe arg0 Channel list SOURce CURRent RANGe Channel list Sets or queries the range for target current Refer the datasheet for the measurement accuracy according to the measurement range selected Parameters arg0 Parameters for setting and query Channel list list Example CURR RANG 8 Current programming range set to 8 A 7 5 4 Resista...

Page 129: ...RES STAT response 1 SOURce RESistance LEVel IMMediate AMPLitude 129 SOURce RESistance STATe 130 SOURce RESistance LEVel IMMediate AMPLitude resistance SOURce RESistance LEVel IMMediate AMPLitude Channel list Sets or queries the constant resistance target value Parameters resistance numeric value MIN MINimum MAX MAXimum UP DOWN list numeric value Numeric value in the range of 0 000 ohm to 10000 ohm...

Page 130: ...nt resistance mode at channel 1 Example See Example Configuring the resistance limit on page 129 7 5 5 Combined setting of voltage and current setting The APPLy subsystem provides a command that enables you to set the current and voltage of a channel in one step The combined voltage and current setting command takes approximately 100 ms i e longer than the setting of a single value APPLy voltage c...

Page 131: ...TP2 OUTPut2 CH2 OUT1 OUTP1 OUTPut1 CH1 Selects output for channel 1 Example APPL 6 2 Sets 6 V and 2 A to output of channel 1 APPL 6 000 2 000 Queries the voltage and current of the selected channel READ Channel list Queries the currently voltage current measurement pair and returns them separated by comma Parameters Channel list list Example READ 1 001080E 00 1 004224E 02 Example READ 1 Queries th...

Page 132: ... output OUTP GEN 1 OUTPut GENeral STATe 132 OUTPut STATe 133 OUTPut DELay DURation 133 OUTPut DELay STATe 134 OUTPut FTResponse 134 OUTPut IMPedance 134 OUTPut IMPedance STATe 135 OUTPut MODE 135 OUTPut MODE CAPacitance 136 OUTPut SELect 136 OUTPut TRIGgered 137 OUTPut TRIGgered STATe 137 OUTPut TRIGgered BEHavior 137 OUTPut GENeral STATe state OUTPut GENeral STATe Sets or queries all previous sel...

Page 133: ...Lay DURation duration OUTPut DELay DURation Channel list Sets or queries the duration for output delay Parameters duration numeric value MIN MINimum MAX MAXimum list numeric value Numeric value of the duration in seconds MIN MINimum Minimum value of the duration at 0 001 seconds MAX MAXimum Maximum value of the duration at 10 00 seconds Range 0 001 to 10 00 RST 0 001 Default unit s Parameters for ...

Page 134: ...ponse state OUTPut FTResponse Channel list Sets or queries the fast transient response state Parameters state 0 Deactivates fast transient response 1 Activates fast transient response Parameters for setting and query Channel list list Example OUTPut FTResponse 1 OUTPut FTResponse 1 Returns fast transient response state as on Example OUTPut FTR 1 Returns fast transient response state at channel 1 O...

Page 135: ...IMPedance STATe state OUTPut IMPedance STATe Channel list Sets or queries the impedance target for the selected channel Parameters state 0 Deactivates output impedance for the selected channel 1 Activates output impedance for the selected channel Parameters for setting and query Channel list list Example OUTPut IMPedance 1 OUTPut IMPedance STAT 1 Returns output impedance state as on Example OUTPut...

Page 136: ...tru ment Parameters for setting and query Channel list list Example OUTPut MOD 1 Queries output mode at channel 1 Example OUTPut MOD AUTO 1 Set output mode to AUTO at channel 1 OUTPut MODE CAPacitance arg0 Channel list OUTPut MODE CAPacitance Channel list Sets or queries the output capacitance mode Parameters arg0 OFF LOW HIGH list OFF Disable output capacitance mode LOW Set low capacitance mode f...

Page 137: ...er is enabled 0 Trigger is disabled Parameters for setting and query Channel list list Example OUTP TRIG 1 When a trigger event occurs respective channel output is trig gered See OUTPut TRIGgered BEHavior on page 137 Example OUTPut TRIG 1 Queries trigger event for output at channel 1 OUTPut TRIGgered BEHavior arg0 Channel list OUTPut TRIGgered BEHavior Channel list Sets or queries output behavior ...

Page 138: ... the command execution SOURce VOLTage DVM STATe 138 SENSe CURRent RANGe AUTO DOWN MINimum 139 SENSe CURRent RANGe AUTO DOWN THReshold 139 SENSe CURRent RANGe AUTO UP APPRoach 139 SENSe CURRent RANGe AUTO UP THReshold 140 SENSe CURRent RANGe AUTO 140 SENSe CURRent RANGe UPPer 140 SENSe VOLTage RANGe AUTO 141 SENSe VOLTage RANGe UPPer 141 SOURce VOLTage DVM STATe arg0 Channel list SOURce VOLTage DVM...

Page 139: ...WN THR 0 001 The instrument does not switch to a lower measurement range if the underrange condition is shorter than 0 001 seconds SENSe CURRent RANGe AUTO UP APPRoach arg0 SENSe CURRent RANGe AUTO UP APPRoach arg0 Sets or queries how autorange handles an overrange condition Parameters for setting and query arg0 DEFault TOP STEPwise DEF Default TOP TOP If overrange is detected the measurement rang...

Page 140: ...es auto range for current 0 Disables auto range for current Parameters for setting and query Channel list list Example SENS CURR RANG AUTO 1 Enables auto range for current Example SENS CURR RANG AUTO 1 Queries auto range state for current measurement accuracy at channel 1 SENSe CURRent RANGe UPPer arg0 Channel list SENSe CURRent RANGe UPPer Channel list Sets or queries the current range for measur...

Page 141: ...mple SENS VOLT RANG AUTO 1 Queries auto range state for voltage measurement accuracy at channel 1 SENSe VOLTage RANGe UPPer arg0 Channel list SENSe VOLTage RANGe UPPer Channel list Sets or queries the voltage range for measurement There is a selection of 20 V and 6 V range Parameters arg0 Defines the voltage range for measurement Default unit V Parameters for setting and query Channel list list Ex...

Page 142: ... Queries the operating mode of the source measure unit at chan nel 1 7 5 9 Modulation input Available only with R S NGU401 model SOURce MODulation arg0 arg1 SOURce MODulation arg0 arg1 Enable disable modulation of DVM input onto the output signal Parameters for setting and query arg0 arg1 list Example MOD 1 Enable modulation of DVM input onto the output signal SOURce MODulation GAIN arg0 arg1 SOUR...

Page 143: ...ry arg1 list Example NPLC 1 Sets number of power line cycles to 1 7 5 11 OCP setting The CURRent PROTection subsystem contains the commands for overcurrent pro tection parameters such as activating fuses and setting fuse parameters of the output channels The default unit is A The delay function of the fuses takes effect when the corresponding channel is activa ted Output On Example Configuring the...

Page 144: ...se 0 CURR PROT DEL MAX response 10000 Set a initial delay time for the overcurrent protection During the timefrane overcurrent protection tripping is inhibited sets 100 ms for the initial overcurrent protection delay CURR PROT DEL INIT 100 queries the currently set initial overcurrent protection delay in the selected channel CURR PROT DEL INIT response 100 sets the initial overcurrent protection d...

Page 145: ...before the reset also erases the message on the display Setting parameters Channel list list Example CURR PROT CLE 1 Resets OCP state at channel 1 Example See Example Configuring the overcurrent protection on page 143 Usage Setting only SOURce CURRent PROTection DELay INITial duration SOURce CURRent PROTection DELay INITial Channel list Sets or queries the initial fuse delay time once output turns...

Page 146: ...use delay MAX MAXimum Max value for initial fuse delay Range 0 00 to 10 00 RST 0 Default unit s Parameters for setting and query Channel list list Example CURR PROT DLEAY 1 1 Sets initial fuse delay 1 s at channel 1 Example See Example Configuring the overcurrent protection on page 143 SOURce CURRent PROTection TRIPped Channel list Queries the OCP state of the selected channel Query parameters Cha...

Page 147: ...n on page 143 FUSE DELay INITial delay FUSE DELay INITial Channel list Sets or queries initial delay time for the fuse to take effect Parameters delay numeric value MIN MINimum MAX MAXimum list numeric value Numeric value for initial fuse delay MIN MINimum Min value for lowe initial fuse delay MAX MAXimum Max value for initial fuse delay Range 0 00 to 60 00 RST 0 Default unit s Parameters for sett...

Page 148: ...ple FUSE DEL 1 Queries fuse delay time at channel 1 Example For alternative command see Example Configuring the over current protection on page 143 FUSE TRIPped Channel list Queries the status if fuse has tripped in the selected channel Parameters Channel list list Example FUSE TRIP 1 Queries fuse tripped status at channel 1 Example For alternative command see Example Configuring the over current ...

Page 149: ...tate at channel 1 Example For alternative command see Example Configuring the over current protection on page 143 7 5 12 OVP setting The VOLTage PROTection subsystem contains the commands for setting the over voltage protection parameters for the output channels The default unit is V Configuration commands www allice de Allice Messtechnik GmbH ...

Page 150: ... overvoltage protection values queries the upper and lower limit VOLT PROT LEV MIN response 0 001 VOLT PROT LEV MAX response 20 050 Query a tripped overvoltage protection queries whether the OVP has tripped VOLT PROT TRIP response 1 OVP is tripped response 0 OVP is not tripped resets a tripped OVP VOLT PROT CLEar Set the overvoltage protection mode sets OVP protected mode VOLT PROT MODE PROT quere...

Page 151: ...e message on the display Setting parameters Channel list list Example VOLT PROT CLEAR 1 Resets OVP state at channel 1 Example See Example Configuring the overvoltage protection on page 150 Usage Setting only SOURce VOLTage PROTection LEVel voltage SOURce VOLTage PROTection LEVel Channel list Sets or queries the overvoltage protection value of the selected channel Parameters voltage numeric value M...

Page 152: ...annel list Queries the OVP state of the selected channel Parameters Channel list list Example VOLT PROT TRIP Response 1 the OVP is tripped Response 0 the OVP is not tripped Example VOLT PROT TRIP 1 Queries OVP state at channel 1 Example See Example Configuring the overvoltage protection on page 150 Usage Query only 7 5 13 OPP setting The POWer PROTection subsystem contains the commands for setting...

Page 153: ...queries the upper and lower limit POW PROT LEV MIN reponse 0 0 POW PROT LEV MAX reponse 6 535050E 01 Query a tripped overpower protection queries whether the OPP has tripped POW PROT TRIP response 1 OPP is tripped response 0 OPP is not tripped resets a tripped OPP POW PROT CLEar SOURce POWer PROTection STATe 153 SOURce POWer PROTection CLEar 154 SOURce POWer PROTection LEVel 154 SOURce POWer PROTe...

Page 154: ...nfiguring the overpower protection on page 153 Usage Setting only SOURce POWer PROTection LEVel power SOURce POWer PROTection LEVel Channel list Sets or queries the overpower protection value of the selected channel Parameters power numeric value MIN MINimum MAX MAXimum DEF DEFault list numeric value Numeric value of the power protection level in watts MIN MINimum Minimum value of the power protec...

Page 155: ...ng the overvoltage protection on page 150 Usage Query only 7 5 14 GPIB and USB class setting The Interface subsystem contains the commands for changes made on the GPIB address and USB class INTerfaces GPIB ADDRess 155 INTerfaces USB CLASs 155 INTerfaces GPIB ADDRess GPIB address Sets or queries GPIB address Parameters GPIB address GPIB address 0 to 20 Example INT GPIB ADDR 20 Sets instrument GPIB ...

Page 156: ... MEASure SCALar POWer AVG 159 MEASure SCALar POWer MAX 159 MEASure SCALar POWer MAX 159 MEASure SCALar POWer MIN 160 MEASure SCALar POWer MIN 160 MEASure SCALar POWer STATistic 160 MEASure SCALar VOLTage DC 160 MEASure SCALar VOLTage DC AVG 160 MEASure SCALar VOLTage DC MAX 160 MEASure SCALar VOLTage DC MIN 161 MEASure SCALar VOLTage DC STATistic 161 MEASure VOLTage DVM 161 MEASure SCALar ENERgy C...

Page 157: ... MEAS ENER STAT ON MEAS ENER STAT MEAS ENER STAT 1 Energy counter of Ch1 is enabled Example MEAS ENER STAT 1 Queries the energy counter state at channel 1 MEASure SCALar ENERgy UNIT arg0 MEASure SCALar ENERgy UNIT Sets or queries the measured unit for energy Setting parameters arg0 WS WH WS Energy in Watt per second WH Energy in Watt per hour Example MEAS ENER UNIT WH MEASure SCALar STATistic COUN...

Page 158: ...E 00 Example MEAS CURR 1 Queries the currently measured current at channel 1 Usage Query only MEASure SCALar CURRent DC AVG Channel list Queries the average measured output current Parameters Channel list list Example MEAS CURR DC AVG 1 Queries the average measured output current at channel 1 Usage Query only MEASure SCALar CURRent DC MAX Channel list Queries the maximum measured output current Pa...

Page 159: ...Wer Channel list Queries the currently emitted power of the selected channel Parameters Channel list list Example MEAS POW 3 00E 00 Example MEAS POW 1 Queries the currently supplied power at channel 1 Usage Query only MEASure SCALar POWer AVG Channel list MEASure SCALar POWer AVG Queries the average measured output power Example MEAS POW AVG 1 Queries the average measured output power at channel 1...

Page 160: ...W STAT 1 Queries the power statistics at channel 1 Usage Query only MEASure SCALar VOLTage DC Channel list Queries the currently measured voltage of the selected channel Parameters Channel list list Example MEAS VOLT 1 000E 00 Example MEAS VOLT 1 Queries the currently measured voltage at channel 1 Usage Query only MEASure SCALar VOLTage DC AVG Channel list Queries the average measured output volta...

Page 161: ...ge DC STATistic Channel list Queries the voltage statistics of the selected channel Parameters Channel list list Example MEAS STAT Queries the voltage statistics at channel 1 Example MEAS VOLT STAT 1 Queries the voltage statistics at channel 1 Usage Query only MEASure VOLTage DVM Channel list Queries the voltmeter measurement if DVM is enabled Query parameters Channel list list Example MEAS VOLT D...

Page 162: ...ine and start the arbitrary sequence defines the sequence i e starting at 1V 1A for 1sec and increments the voltage and current each second by 1 ARB DATA 1 1 1 0 2 2 1 0 3 3 1 0 sets the repetition rate ARB REP 10 ARB REP queries the set number of repetitions sets the arbitrary endpoint behavior when the arbitrary function is finished ARB BEH END HOLD ARB BEH END queries the arbitrary endpoint beh...

Page 163: ... previous selected channel Parameters state 1 Arbitrary function is activated 0 Arbitrary function is deactivated RST 0 Parameters for setting and query Channel list list Example ARB ON ARB 1 Arbitrary function of Ch1 is activated Example ARB ON 1 ARB 1 Sets and queries the state of arbitrary function at channel 1 Example See Example Configuring an arbitrary sequence on page 162 ARBitrary BEHavior...

Page 164: ...ending on the set mode VPM or CPM and device model additional negative cur rent or voltage is available for setting Parameters data voltage1 current1 time1 interpolation mode1 voltage2 cur rent2 time2 interpolation mode2 Voltage and current settings depending on the instrument type and priority mode VPM CPM If the interpolation mode is sets to 1 it indicates that the mode is activated If the inter...

Page 165: ...ple Configuring an arbitrary sequence on page 162 ARBitrary FNAMe filename location ARBitrary FNAMe location Sets or queries the file name and storage location for the arbitrary function Parameters for setting and query filename Filename of the arbitrary function location INT EXT DEF INT Internal memory EXT USB stick DEF Internal memory Example ARB FNAM 01 CSV ARB FNAM INT 01 CSV ARBitrary LOAD Lo...

Page 166: ...the repetition rate 0 is selected the arbitrary waveform of the previous selected channel is repeated infinitely Parameters repetition_rate Range 0 to 65535 The 0 indicates infinite repetition Example ARB REP 10 ARB REP 10 The returned repetition rate of the Ch1 arbitrary waveform is 10 ARBitrary RESTore Loads an arbitrary table from a file filename specified with ARB FNAM Example ARB DATA 10 1 0 ...

Page 167: ... as ARB STAT 0 Usage Event See Example Configuring an arbitrary sequence on page 162 ARBitrary TRANsfer channel Transfers the defined arbitrary table Parameters channel 1 Example See Example Configuring an arbitrary sequence on page 162 Usage Setting only ARBitrary TRIGgered MODE mode ARBitrary TRIGgered MODE Sets or queries the arbitrary trigger mode of the previous selected channel Parameters mo...

Page 168: ...ng the ramp func tion for the output channels SOURce VOLTage RAMP STATe 168 SOURce VOLTage RAMP DURation 169 SOURce VOLTage RAMP STATe state SOURce VOLTage RAMP STATe Channel list Sets or queries the state of ramp function for the previous selected channel Parameters state 0 EasyRamp function is deactivated 1 EasyRamp function is activated RST 0 Parameters for setting and query Channel list list E...

Page 169: ...o 10 00 RST 0 01 Default unit s Parameters for setting and query Channel list list Example VOLT RAMP DUR 4 VOLT RAMP DUR 4 Duration of the ramp function is set at 4 s Example VOLT RAMP DUR 4 1 VOLT RAMP DUR 1 Sets and queries the duration of ramp function 7 7 3 Digital I O The DIO subsystem contains the commands for configuring a Digital I O function for the output channels DIO FAULt SOURce 169 DI...

Page 170: ...t STATe Sets or queries the digital output fault See operation modes in Figure 6 35 Parameters arg0 1 Enables digital output fault 0 Disables digital output fault Example DIO FAUL 1 Enables the digital output fault DIO FAULt SIGNal arg0 Select digital output fault signal type Parameters arg0 CONStant PULSe CONStant A constant level trigger signal is sent out PULSe An output pulse of 100 ms trigger...

Page 171: ...OUTPut STATe arg0 arg1 DIO OUTPut STATe arg0 Sets or queries the digital output channel selection Parameters arg1 1 0 Enables or disables the digital output state Parameters for setting and query arg0 1 Channel selection for the digital output source Example DIO OUTP 1 1 Enables channel 1 as the digital output source DIO OUTPut SIGNal arg0 arg1 DIO OUTPut SIGNal arg0 Select digital output signal t...

Page 172: ... TVOLtage 174 BATTery SIMulator VOC 174 BATTery SIMulator VOC EMPTy 174 BATTery SIMulator VOC FULL 175 BATTery SIMulator ENABle 175 BATTery STATus 175 BATTery MODel CURRent LIMit EOC 175 BATTery MODel CURRent LIMit EOD 176 BATTery MODel CURRent LIMit REGular 176 BATTery MODel CAPacity 176 BATTery MODel CLEar 176 BATTery MODel DATA 176 BATTery MODel FNAMe 177 BATTery MODel ISOC 177 BATTery MODel LO...

Page 173: ...ery SIMulator CURRent LIMit EOC arg0 BATTery SIMulator CURRent LIMit EOC Sets or queries the current limit at end of charge Parameters arg0 Sets the current limit at end of charge Example BATT SIM CURR LIM EOC Returns current limit at end of charge for channel 1 BATTery SIMulator CURRent LIMit EOD arg0 BATTery SIMulator CURRent LIMit EOD Sets or queries the current limit at end of discharge Parame...

Page 174: ...ge SoC of the battery simulator Parameters arg0 Sets SoC values Example BATT SIM SOC 20 Sets the channel 1 Soc to 20 BATTery SIMulator TVOLtage Queries the terminal voltage Vt Example BATT SIM TVOL Returns channel 1 terminal voltage of battery simulator Usage Query only BATTery SIMulator VOC Queries the open circuit voltage Voc Example BATT SIM VOC Returns the channel 1 open circuit voltage of bat...

Page 175: ...t list Example BATT SIM 1 Enables the battery simulator state for channel 1 Example BATT SIM 1 1 Enables the battery simulator state at channel 1 BATTery STATus Channel list Queries the status of the battery idle charging or discharging Parameters Channel list list Example BATT STAT Returns the status of the battery simulator from channel 1 Example BATT STAT 1 Queries the status of battery simulat...

Page 176: ...y MODel CURRent LIMit REGular Sets or queries the current limit of the battery model at regular charge level Parameters arg0 Example BATT MODel CURR LIM REG Returns current limit of the battery model at regular charge level for channel 1 BATTery MODel CAPacity arg0 BATTery MODel CAPacity Sets or queries the battery model capacity Parameters arg0 Sets the battery model capacity Example BATT MODel C...

Page 177: ...or file storage INT Internal memory used for file storage EXT USB stick used for file storage DEF Default storage partition is set to internal memory Example BATT MOD FNAM NEwBattery csv INT Sets the battery model filename to NewBattery csv internal memory BATTery MODel ISOC State_of_charge BATTery MODel ISOC Sets or queries the initial state of charge SoC of the battery model Parameters State_of_...

Page 178: ...nd HCOPy subsystem contain commands for managing the files in the instrument and external USB stick DATA DATA 178 DATA DELete 179 DATA LIST 179 DATA POINts 179 HCOPy DATA 180 HCOPy SIZE X 180 HCOPy SIZE Y 180 DATA DATA filepath Returns the logging file data of the selected file If manual trigger mode trigger via TRIG function is used the logging function has to be activated Without activating the ...

Page 179: ...age Setting only DATA LIST Queries all files in internal memory int and external memory USB Example DATA LIST USB1 NGU201 logging log 20201203T101025 829 csv int arb newWaveform csv int logging log 20201203T101129 818 csv Usage Query only DATA POINts filepath Queries the number of measurements from the selected logging file If manual trigger mode trigger via TRIG function is used the logging funct...

Page 180: ...y only HCOPy SIZE X Returns the horizontal dimension of the screenshots Usage Query only HCOPy SIZE Y Returns the vertical dimension of the screenshots Usage Query only 7 9 Data logging commands The LOG and FLOG subsystem contain the commands for managing the data logging of the instrument Data logging commands www allice de Allice Messtechnik GmbH ...

Page 181: ...Clear event registers STATus OPERation EVENt STATus OPERation INST EVENt STATus OPERation INST ISUM1 EVENt FLOG TARGet SCPI FLOG SRATe S250k initialize scpi target with sample rate 250 kS s OPC FLOG STATE 1 start FastLog receive data once FastLogDataAvailable is available Loop StatusByte STB if StatusByte IsOPERationStatus bit 7 OperationRegister STATus OPERation EVENt if OperationRegister IsSumma...

Page 182: ...y format starting in the sequence of voltage followed by current measurements i e V I V I The R S NGU accepts the line message EOI and or the ASCII character NL 0Ah as an indication that data transmission has been completed The binary data stream must be concluded with EOI or NL or EOI followed by NL If the data stream is not concluded with either EOI or NL the R S NGU will wait for addi tional da...

Page 183: ...Log state Example FLOG TRIG 1 Ch1 FastLog triggered state is activated In the event if a trigger signal is detected from the various input digital sources a trigger event is sent to activate the FastLog function FLOG SRATe samplerate Sets or queries the sample rate of the FastLog function Parameters samplerate S500k S250k S050k S50k S010k S10k S001k S1k S100 Example IDN Rohde Schwarz NGU401 3639 3...

Page 184: ...ernal file FLOG WFILe DURation duration Sets or queries the file writes duration Setting parameters duration Sets file writes duration Example FLOG WFIL DUR 2 Sets file writes duration for Ch1 to 2 seconds FLOG WFILe TPARtition arg0 Selects the external partition to which the data is written into Parameters arg0 Defines the external path partition to which the data is written in the USB stick Exam...

Page 185: ...rameters for setting and query count MIN MINimum MAX MAXimum Returns the number of measurement values Example LOG COUN MAX LOG COUN MAX 10000000 LOG DURation span LOG DURation Return min or max Sets or queries the duration of the data logging Setting parameters span numeric value MIN MAX numeric value Duration of the data logging captured in the range of 0 s to 3 49 10 5 s MIN Minimum duration of ...

Page 186: ...ters interval numeric value MIN MAX numeric value Measurement interval in the range of 0 1 s to 600 s MIN Minimum measurement interval is set at 0 1 s MAX Maximum measurement interval is set at 600 s Default unit s Parameters for setting and query interval MIN MINimum MAX MAXimum Returns the measurement interval Example LOG INT 10 LOG INT 10 LOG MODE mode LOG MODE Sets or queries the data logging ...

Page 187: ... 08 18 08 18 18 LOG STIM 2018 08 18 08 18 18 LOG TRIGgered state LOG TRIGgered Sets or queries the state for manual trigger logging function Parameters state 0 Manual trigger function is disabled 1 Manual trigger function is enabled Example LOG TRIG ON LOG TRIG 1 7 10 Status reporting commands The status reporting system stores all information on the present operating state of the instrument and o...

Page 188: ...9 STATus OPERation INSTrument CONDition STATus OPERation INSTrument ISUMmary Channel CONDition Condition Returns the contents of the CONDition part of the status register to check for operation instrument or measurement states Reading the CONDition registers does not delete the contents Suffix Channel 1 n Return values Condition Condition bits in decimal representation Range 1 to 65535 Usage Query...

Page 189: ...t in the negative transition filter shall cause a 1 to 0 transition in the corresponding bit of the associated condition regis ter to cause a 1 to be written in the associated bit of the corresponding event register Suffix Channel 1 n Parameters NegativeTransition Range 1 to 65535 Example STATus OPERation INSTrument ISUMmary1 NTRansition Query for negative transition STATus OPERation INSTrument PT...

Page 190: ...ATus QUEStionable INSTrument ISUMmary Channel PTRansition 192 STATus QUEStionable INSTrument CONDition STATus QUEStionable INSTrument ISUMmary Channel CONDition Condition Returns the contents of the CONDition part of the status register to check for question able instrument or measurement states Reading the CONDition registers does not delete the contents Suffix Channel 1 n Return values Condition...

Page 191: ...n decimal representation Range 0 to 65535 Usage Query only STATus QUEStionable INSTrument NTRansition arg0 STATus QUEStionable INSTrument NTRansition STATus QUEStionable INSTrument ISUMmary Channel NTRansition NegativeTransition STATus QUEStionable INSTrument ISUMmary Channel NTRansition Sets or queries the negative transition filter Setting a bit in the negative transition filter shall cause a 1 ...

Page 192: ...Sets or queries the positive transition filter Setting a bit in the positive transition filter shall cause a 0 to 1 transition in the corresponding bit of the associated condition regis ter to cause a 1 to be written in the associated bit of the corresponding event register Suffix Channel 1 n Parameters PositiveTransition Range 1 to 65535 Example STATus QUEStionable INSTrument ISUMmary1 PTRansitio...

Page 193: ...ng Cleaning agents solvents thinners acetone acids and bases can damage the front panel labeling plastic parts and display The display may only be cleaned with an appropriate glass cleaner Rub the display with a dry clean and lint free cloth Do not allow cleaning fluid to enter the instrument 8 2 Contacting customer support Technical support where and when you need it For quick expert help with an...

Page 194: ...Maintenance and support R S NGU 194 User Manual 1179 2531 02 03 Figure 8 1 QR code to the Rohde Schwarz support page Contacting customer support www allice de Allice Messtechnik GmbH ...

Page 195: ...a Effects on the instrument Setting commands cause instrument settings such as a reset of the instrument or setting the output voltage Queries return data for remote control e g for identification of the instrument or polling a parameter value Queries are formed by appending a question mark to the command header Applied standards The function and syntax of the common commands are precisely defined...

Page 196: ...ot require address ing Addressed commands only act on instruments previously addressed as listeners addressed commands are encoded in the range 00 through 0F hex They only affect instruments addressed as listeners A 1 2 SCPI command structure SCPI commands consist of a so called header and usually one or more parameters The header and the parameters are separated by a whitespace The headers can co...

Page 197: ...rm or the long form other abbreviations are not permitted Example MEASure CURRent is equivalent to MEAS CURR Case insensitivity Uppercase and lowercase notation only serves to distinguish the two forms in the man ual the instrument itself is case insensitive Optional mnemonics Some command systems permit inserting or omitting certain mnemonics in the header These mnemonics are marked by square bra...

Page 198: ...onstration purposes only assume the existence of the following commands for this section VOLT 2 OUTP 2 VOLT 1 3 VOLT 1 4 VOLT 5 1 4 When adding a channel list parameter to a query there must be a space character between the query indicator and the channel list parameter Otherwise an error 103 invalid separator occurs Table A 3 Special characters The sign in parameter definition indicates in the se...

Page 199: ...n Numeric values You can enter numeric values in the following form Values exceeding the resolution of the instrument are rounded up or down Example VOLT 10V VOLT 10 VOLT 100mV VOLT 0 1 Special numeric values The text listed below are interpreted as special numeric values In the case of a query the numeric value is provided MIN MAX MINimum and MAXimum denote the minimum and maximum value Example V...

Page 200: ...arge amounts of data A command using a block data parameter has the following structure Example HEADer HEADer 45168xxxxxxxx ASCII character introduces the data block The next number indicates how many of the following digits describe the length of the data block In the example the four fol lowing digits indicate the length to be 5168 bytes The data bytes follow During the transmission of these dat...

Page 201: ...itted without a header VOLTage PROTection MODE Response MEASure Maximum values minimum values and all other quantities that are requested via a special text parameter are returned as numeric values VOLT PROT MAX Response 32 500 Boolean values are returned as 0 for Off and 1 for On OUTPut STATe Response 1 A 2 Command sequence and synchronization A sequential command finishes the execution before th...

Page 202: ...an be used All three commands cause a certain action only to be carried out after the hardware has been set The controller can be forced to wait for the corre sponding action The R S NGU series does not support parallel processing of remote commands If OPC returns a 1 the device is able to process new commands A 3 Status reporting system The status reporting system stores all information on the cu...

Page 203: ...s 16 bits wide and has various functions The individual bits are independent i e each hardware status is assigned to a bit number Bits 9 to 12 are still free resp unused always return a 0 Certain areas of the reg isters are not used The SCPI standard defines only the basic functions Some devi ces offer an advanced functionality Description of the status register parts The SCPI standard provides tw...

Page 204: ... used for general explanation Due to the complexity we recommend the general accessible SCPI standard document for more detailed information Figure A 2 Structure of the status QUEStionable INSTrument register Event Status Register ESR and Event Status Enable Register ESE The ESR is defined in IEEE 488 2 It can be compared with the EVENt part of a SCPI register The event status register can be read...

Page 205: ...stLog This bit is set once FastLog data is available 13 to 14 Not used 15 This bit is always 0 STATus QUEStionable Register This register contains information about different states which can occur It can be read using the commands STATus QUEStionable CONDition and STATus QUEStionable EVENt See Figure A 1 Table A 6 Bits of the STATus QUEStionable register Bit No Meaning 0 Voltage This bit is set w...

Page 206: ...luated by the controller program Decimal representation of a bit pattern binary weights The STB and ESR registers contain 8 bits the status registers 16 bits The contents of a status register are specified and transferred as a single decimal number To make this possible each bit is assigned a weighted value The decimal number is calculated as the sum of the weighted values of all bits in the regis...

Page 207: ...OWer PROTection LEVel 154 SOURce POWer PROTection TRIPped 155 SOURce POWer PROTection STATe 153 SOURce RESistance STATe 130 SOURce RESistance LEVel IMMediate AMPLitude 129 SOURce VOLTage DVM STATe 138 SOURce VOLTage PROTection CLEar 151 SOURce VOLTage PROTection LEVel 151 SOURce VOLTage PROTection TRIPped 152 SOURce VOLTage PROTection STATe 151 SOURce VOLTage RAMP DURation 169 SOURce VOLTage RAMP ...

Page 208: ...Del LOAD 177 BATTery MODel SAVE 178 BATTery MODel TRANsfer 178 BATTery SIMulator CAPacity LIMit 172 BATTery SIMulator CAPacity 172 BATTery SIMulator CURRent LIMit EOC 173 BATTery SIMulator CURRent LIMit EOD 173 BATTery SIMulator CURRent LIMit REGular 173 BATTery SIMulator CURRent LIMit 173 BATTery SIMulator CURRent 173 BATTery SIMulator RESistance 174 BATTery SIMulator SOC 174 BATTery SIMulator TV...

Page 209: ...MEASure VOLTage DVM 161 MEASure SCALar CURRent DC AVG 158 MEASure SCALar CURRent DC MAX 158 MEASure SCALar CURRent DC MIN 158 MEASure SCALar CURRent DC STATistic 159 MEASure SCALar CURRent DC 158 MEASure SCALar ENERgy RESet 156 MEASure SCALar ENERgy STATe 157 MEASure SCALar ENERgy UNIT 157 MEASure SCALar ENERgy 156 MEASure SCALar POWer AVG 159 MEASure SCALar POWer MAX 159 MEASure SCALar POWer MIN ...

Page 210: ...ument CONDition 188 STATus OPERation INSTrument ENABle 188 STATus OPERation INSTrument ISUMmary Channel CONDition 188 STATus OPERation INSTrument ISUMmary Channel ENABle 188 STATus OPERation INSTrument ISUMmary Channel NTRansition 189 STATus OPERation INSTrument ISUMmary Channel PTRansition 189 STATus OPERation INSTrument ISUMmary Channel EVENt 189 STATus OPERation INSTrument NTRansition 189 STATu...

Page 211: ...SCard 111 SYSTem COMMunicate LAN EDITed 111 SYSTem COMMunicate LAN HOSTname 111 SYSTem COMMunicate LAN MAC 111 SYSTem COMMunicate LAN RESet 111 SYSTem COMMunicate LAN SMASk 111 SYSTem COMMunicate NETWork VNC PORT 112 SYSTem COMMunicate NETWork VNC STATe 112 SYSTem DATE 112 SYSTem KEY BRIGhtness 112 SYSTem LOCal 113 SYSTem REMote 113 SYSTem RESTart 113 SYSTem RWLock 113 SYSTem SETTing DEFault SAVE ...

Page 212: ...SV settings 82 Current priority mode CPM 52 Customer support 193 D Data logging 79 CSV settings 79 Data sheet 10 Date 102 Default values Remote 106 Delivery package contents 20 Device documentation 104 Device Channel menu window 36 Digital I O 68 Digital voltmeter 55 Measurement ranges 57 Display brightness 101 Display overview 29 Channel display area 31 Status bar information 29 Documentation ove...

Page 213: ...ation detection 68 Output 48 Delay 49 Impedance 48 Output delay 49 Output mode 51 Trigger events 50 Output and channel controls 40 Overcurrent protection 65 Overpower protection 66 Overview of controls Front panel 22 Rear panel 23 Overvoltage protection 66 P Power derating 40 Protection Fuse linking 65 Overcurrent protection 65 Overpower protection 65 Overvoltage protection 65 Safety limits 65 Put...

Page 214: ... 29 Status byte Remote 105 107 Status reporting system 202 Structure of a SCPI status register 202 T Time 102 Trigger 68 Trigger IO system 69 Trigger in signals 70 Trigger out signals 70 Trying out the instrument Activating the channels output 27 Setting the output voltage and current limit 27 U Unpacking and checking the instrument 19 User button key 77 User manual 10 Using the touchscreen 33 Acc...

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