Agilent N6700 - Manuals

Series N6700 User’s Guide 5 Contents 1 - Quick Reference...............................................................................................................................7 The Agilent N6700 Modular Power System – At a Glance.......................... 8 The Front Panel - At a Glance........

1 Quick Reference 8 Series N6700 User’s Guide The Agilent N6700 Modular Power System – At a Glance The Agilent N6700 Modular Power System is a configurable, one rack- unit (1U) platform that lets you mix and match power modules to create a power system optimized for your test system requirements. Ag...

Quick Reference 1 Series N6700 User’s Guide 9 Output On/Off sequencing A turn-on/turn-off delay capability for each output allows output on/off sequencing. Remote voltage sensing Two remote sensing terminals are provided for each output. When shipped, the remote sense jumpers are included in a separ...

1 Quick Reference 10 Series N6700 User’s Guide The Front Panel - At a Glance Display Turns off after 1 hour of inactivity. Press any key to restore the display. Navigation keys Move the cursor to a menu item. Select the highlighted menu item. Output keys Turn the outputs on or off.Enter voltage or c...

Quick Reference 1 Series N6700 User’s Guide 11 Front Panel Display – At a Glance Single-channel view Voltage measurement Bar indicates output polarity is reversed Current measurement Press the Meter key to toggle between views Operating status (CV = constant voltage) Voltage and current settings Int...

1 Quick Reference 12 Series N6700 User’s Guide Operating status indicators OFF = the output is off CV = the output is in constant voltage mode CC = the output is in constant current mode OV = the output is disabled by the over-voltage protection OC = the output is disabled by the over-current protec...

Quick Reference 1 Series N6700 User’s Guide 13 Front Panel Menu Reference NOTE Menu commands that are grayed-out are either not available for the power module, or are password protected. Refer to the Service Guide for information about front panel menu commands prior to firmware revision B.00.00. Me...

Quick Reference 1 Series N6700 User’s Guide 15 SCPI Command Summary Subsystem Commands NOTE Some [optional] commands have been included for clarity. All settings commands have a corresponding query. Not all commands apply to all models. SCPI Command Description ABORt :ACQuire (@chanlist) Resets the ...

1 Quick Reference 18 Series N6700 User’s Guide SCPI Command Description TRIGger :ACQuire (Acquire commands only on Agilent N6761A/62A and Option 054) [:IMMediate] (@chanlist) Triggers the measurement immediately :SOURce BUS | PIN<n> | TRAN<n>, (@chanlist) Sets the measurement trigger sou...

2 Installation 20 Series N6700 User’s Guide General Information Models Agilent Model Description N6700B / N6701A / N6702A 400 W / 600 W / 1200W MPS Mainframe - without DC Power Modules N6751A / N6752A 50 W / 100 W High-Performance Autoranging DC Power Module N6753A / N6754A 300 W 20V / 60V High-Perf...

Installation 2 Series N6700 User’s Guide 21 Inspecting the Unit When you receive your power system, inspect it for any obvious damage that may have occurred during shipment. If there is damage, notify the shipping carrier and nearest Agilent Sales and Support Office immediately. Refer to www.agilent...

2 Installation 22 Series N6700 User’s Guide Tools required: Phillips driver, T22 Torx driver, T10 Torx driver Step 1. Install eight clip-nuts on the rack frame (2 in each corner) where your instrument will be located. Step 2. Install the two front ears and the two rear extender supports on the instr...

Installation 2 Series N6700 User’s Guide 23 Bench Installation Do not block the air intake and exhaust at the sides, or the exhaust at the rear of the unit. Refer to the outline diagram in Appendix A. Minimum clearances for bench operation are 2 inches (51 mm) along the sides and back. Channel Numbe...

2 Installation 24 Series N6700 User’s Guide Connecting the Line Cord WARNING FIRE HAZARD Use only the power cord that was supplied with your instrument. Using other types of power cords may cause overheating of the power cord, resulting in fire. SHOCK HAZARD The power cord provides a chassis ground ...

Installation 2 Series N6700 User’s Guide 25 Connecting the Outputs WARNING SHOCK HAZARD Turn off AC power before making rear panel connections. All wires and straps must be properly connected with the terminal block screws securely tightened. Disconnect the connector plug to make your wire connectio...

2 Installation 26 Series N6700 User’s Guide Wire Size WARNING FIRE HAZARD Select a wire size large enough to carry short-circuit current without overheating. To satisfy safety requirements, load wires must be heavy enough not to overheat while carrying the short-circuit output current of the unit (r...

Installation 2 Series N6700 User’s Guide 27 Multiple Loads If you are using local sensing and are connecting multiple loads to one output, connect each load to the output terminals using separate connecting wires as shown in the following figure. This minimizes mutual coupling effects and takes full...

2 Installation 28 Series N6700 User’s Guide Protecting Sensitive Loads from AC Power Switching Transients NOTE This only applies if you are connecting loads that are highly sensitive to voltage or current transients to the output of the modular power system. If your load is connected directly to the...

Installation 2 Series N6700 User’s Guide 29 Remote Sense Connections WARNING SHOCK HAZARD Turn off AC power before making or changing rear panel connections. Remote sensing improves the voltage regulation at the load by monitoring the voltage there instead of at the output terminals. This allows the...

2 Installation 30 Series N6700 User’s Guide Open Sense Leads The sense leads are part of the output's feedback path. Connect them in such a way so that they do not inadvertently become open circuited. The power system includes protection resistors that reduce the effect of open sense leads during re...

Installation 2 Series N6700 User’s Guide 31 The following figure shows the connections for 50A power modules. Grouping the Outputs NOTE The ability to group outputs is only available on power system mainframes with firmware revision B.00.00 and up. Once outputs have been connected in parallel, they ...

2 Installation 32 Series N6700 User’s Guide On mainframes with earlier version firmware, first program both outputs to the desired output voltage. Then program the current limit point of each output. The current limit of the paralleled outputs will be the sum of both individual current limit points....

Installation 2 Series N6700 User’s Guide 33 The following figure shows the connections for 50A power modules. Setting the Outputs Outputs connected together in series cannot be grouped . To program outputs connected in series, first program the current limit of each output to the total desired curre...

2 Installation 34 Series N6700 User’s Guide Effect on Specifications Specifications for outputs operating in series can be obtained from the specifications for single outputs. Most specifications are expressed as a constant or a percentage (or ppm) plus a constant. For series operation, the percenta...

Series N6700 User’s Guide 35 3 Getting Started Turning the Unit On .......................................................................................... 36 Selecting an Output Channel .......................................................................... 36 Entering an Output Voltage Settin...

3 Getting Started 36 Series N6700 User’s Guide Turning the Unit On After you have connected the line cord, turn the unit on with the front panel power switch. The front panel display will light up after a few seconds. A power-on self-test occurs automatically when you turn the unit on. This test ass...

Getting Started 3 Series N6700 User’s Guide 37 Entering a Current Limit Setting Method 1 – Use the Navigation and Arrow Keys Navigation Keys Sel Use the left and right navigation keys to navigate to the setting that you wish to change. In the display below, channel 1’s current setting is selected. E...

3 Getting Started 38 Series N6700 User’s Guide Using the Front Panel Menu The front panel command menu lets you access most of the power system’s functions. The actual function controls are located at the lowest menu level. Briefly: Press the Menu key to access the command menu. Press the navigation...

Getting Started 3 Series N6700 User’s Guide 39 Sel 4 4 Enter The command menu is now at the function control level. This is the lowest level in this path. Use the navigation keys to highlight the OVP Level control as shown below. Enter the desired over-voltage level using the numeric keypad. Then pr...

3 Getting Started 40 Series N6700 User’s Guide Connecting to the Interfaces CAUTION Electrostatic discharges greater than 1 kV near the interface connectors may cause the unit to reset and require operator intervention. The Agilent N6700 MPS supports GPIB, LAN, and USB interfaces. All three interfac...

Getting Started 3 Series N6700 User’s Guide 41 USB Interface NOTE For detailed information about USB interface connections, refer to the Agilent Technologies USB/LAN/GPIB Interfaces Connectivity Guide , located on the Automation-Ready CD that is shipped with your product. The following steps will he...

3 Getting Started 42 Series N6700 User’s Guide Connecting to a Site LAN A site LAN is a local area network in which LAN-enabled instruments and computers are connected to the network through routers, hubs, and/or switches. They are typically large, centrally-managed networks with services such as DH...

Getting Started 3 Series N6700 User’s Guide 43 1 If you have not already done so, install the Agilent IO Libraries Suite from the Automation-Ready CD that is shipped with your product. 2 Connect the instrument to the computer using a LAN crossover cable. Alternatively, connect the computer and the i...

3 Getting Started 44 Series N6700 User’s Guide LAN Parameters Viewing the Currently Active LAN Settings To view the currently active LAN settings, press the Menu key, then use the navigation keys to select: System\IO\LAN\ActiveSettings . The currently active settings for the IP Address, Subnet Mask,...

Getting Started 3 Series N6700 User’s Guide 45 IP Address This value is the Internet Protocol (IP) address of the instrument. An IP address is required for all IP and TCP/IP communications with the instrument. An IP Address consists of 4 decimal numbers separated by periods. Each decimal number rang...

3 Getting Started 46 Series N6700 User’s Guide DNS Select DNS to configure the Domain Name System (DNS) setup of the instrument. DNS is an internet service that translates domain names into IP addresses. It is also needed for the instrument to find and display its hostname assigned by the network. O...

Getting Started 3 Series N6700 User’s Guide 47 Using the Web Server Your power system has a built-in Web server that lets you control it directly from an internet browser on your computer. With the Web server, you can access the front panel control functions including the LAN configuration parameter...

3 Getting Started 48 Series N6700 User’s Guide Using Telnet In an MS-DOS Command Prompt box type: telnet hostname 5024 where hostname is the N6700 hostname or IP address, and 5024 is the instrument’s telnet port. You should get a Telnet session box with a title indicating that you are connected to t...

Getting Started 3 Series N6700 User’s Guide 49 Securing the Interfaces Enable/Disable the USB, LAN, and Web Server The USB interface, LAN interface, and the Web server are enabled when shipped. To enable or disable the USB interface from the front panel, press the Menu key and select System\Admin\US...

4 Operating the Power System 52 Series N6700 User’s Guide Programming the Output Select an Output Channel Front Panel: SCPI Command: Press the Channel key to select an output channel. Enter the selected channel(s) in the command’s parameter list. (@1,2) Set the Output Voltage Front Panel: SCPI Comma...

Operating the Power System 4 Series N6700 User’s Guide 53 Set the Output Current Front Panel: SCPI Command: Press the Current key. Enter a value and press Select. To set output 1 to 1 A: CURR 1,(@1) To set all outputs to 2 A: CURR 2,(@1:4) For models with multiple ranges, you can select a lower rang...

4 Operating the Power System 54 Series N6700 User’s Guide Output channel turn-on characteristics vary across the three module types - DC Power, Autoranging, and Precision (Refer to Appendix D for more information). When output channels of the same module type are programmed off-to-on, output sequenc...

Operating the Power System 4 Series N6700 User’s Guide 55 Synchronizing Output Steps The transient system lets you step the output voltage and current up or down in response to triggered events. To generate a triggered output step you must: 1. Enable the output to respond to trigger commands. 2. Set...

4 Operating the Power System 56 Series N6700 User’s Guide Select the Transient Trigger Source NOTE An immediate trigger command either from the front panel or over the bus will generate an immediate trigger regardless of the trigger source. Unless you are using the front panel menu or a TRIG:TRAN co...

Operating the Power System 4 Series N6700 User’s Guide 57 Trigger the Output The trigger system is waiting for a trigger signal in the initiated state. You can immediately trigger the output as follows: Front Panel: SCPI Command: Select Transient\Control . Select Trigger to generate an immediate tri...

4 Operating the Power System 58 Series N6700 User’s Guide Making Measurements Each output channel has its own measurement capability. The output voltage and current is measured by acquiring a number of samples at the selected time interval, applying a window function to the samples, and averaging th...

Operating the Power System 4 Series N6700 User’s Guide 59 Using the Protection Functions Each output has independent protection functions. A front panel status indicator will turn on when a protection function has been set. Protection functions are latching, which means that they must be cleared onc...

4 Operating the Power System 60 Series N6700 User’s Guide You can also specify a delay to prevent momentary CV-to-CC status changes from tripping the over-current protection. Front Panel: SCPI Command: Select Protect\OCP . Enter a delay value and press Select. Check "Start delay on CC" to st...

Operating the Power System 4 Series N6700 User’s Guide 61 System-Related Operations Self-Test A power-on self-test occurs automatically when you turn on the power system. This test assures you that the instrument is operational. If the self-test is successful, the power system will continue to opera...

4 Operating the Power System 62 Series N6700 User’s Guide Output Groups NOTE The ability to group outputs is only available on power system mainframes with firmware revision B.00.00 and up. Output channels can be configured or “grouped” to create a single output with higher current and power capabil...

Operating the Power System 4 Series N6700 User’s Guide 63 Front Panel Keys Lockout NOTE The ability to lock the front panel from the front panel is only available on power system mainframes with firmware revision B.00.00 and up. You can lock the front panel keys to prevent unwanted control of the in...

4 Operating the Power System 64 Series N6700 User’s Guide Front Panel Display Screen Saver The power system has a front panel screen saver that significantly increases the life of the LCD display by turning it off during periods of inactivity. As shipped from the factory, the screen saver comes on o...

Operating the Power System 4 Series N6700 User’s Guide 65 Programming High-Speed Test Extensions NOTE The High-Speed Test Extensions described in this section are not available on all models (Refer to Chapter 1, “Model Differences”). The List Function Either output voltage or output current, or both...

4 Operating the Power System 66 Series N6700 User’s Guide Program an Output Pulse or Pulse Train The following procedure shows how to generate an output pulse train using the List function. Step 1. Set the voltage or current function for which you want to generate a pulse to List mode. This example ...

Operating the Power System 4 Series N6700 User’s Guide 67 Step 5. To generate a pulse train, you can simply repeat the pulse as needed. For example, to program a pulse train of 50 pulses, use: Front Panel: SCPI Command: Select Transient\List\Repeat . Enter the number of list repetitions (50) and Pre...

4 Operating the Power System 68 Series N6700 User’s Guide Program an Arbitrary List The following procedure shows how to generate the list of voltage changes as illustrated in the following figure. Step 1. Set the function, voltage or current, for which you want to generate a list to List mode. This...

4 Operating the Power System 70 Series N6700 User’s Guide The Digitizer Function The digitizer function lets you access the enhanced voltage and current measurement capabilities of the power system. You can: Adjust the measurement sample rate - to a maximum of 50 kHz. Adjust measurement triggers to ...

Operating the Power System 4 Series N6700 User’s Guide 71 To offset the beginning of the acquisition buffer relative to the acquisition trigger, use: Front Panel: SCPI Command: Select Measure\Sweep . Enter an offset value and press Select. To offset the measurement on channel 1 by 100 points use: SE...

4 Operating the Power System 72 Series N6700 User’s Guide To select a window function, use: Front Panel: SCPI Command: Select Measure\Window . Then select either Rectangular or Hanning and press Select. To set the sense window to Hanning for output 1 use: SENS:WIND HANN, (@1) Retrieve Measurement Ar...

Operating the Power System 4 Series N6700 User’s Guide 73 To trigger measurements on models that do not have simultaneous voltage and current measurement capability, select the measurement function as follows. Front Panel: SCPI Command: Not Available To select the measurement function: SENS:FUNC ”VO...

4 Operating the Power System 74 Series N6700 User’s Guide Initiate the Measurement Trigger System Next, you must initiate or enable the measurement trigger system. When the power system is turned on, the trigger system is in the idle state. In this state, the trigger system is disabled, ignoring all...

Appendix A Specifications 76 Series N6700 User’s Guide Agilent Models N6751A/N6752A, N6753A/N6754A, N6761A/N6762A Performance Specifications N6751A / N6752A N6753A N6754A N6761A / N6762A DC Output Ratings: Voltage 50 V 20 V 60 V 50 V Current (derated 1% per °C above 40°C) 5 A / 10A 50 A 20 A 1.5 A /...

Specifications Appendix A Series N6700 User’s Guide 77 Supplemental Characteristics N6751A / N6752A N6753A N6754A N6761A / N6762A Programming Ranges: Voltage high range 20 mV – 51 V 10 mV – 20.4V 25 mV- 61.2V 15 mV – 51 V Voltage low range ( ≤ 5.5 V) N/A N/A N/A 12 mV – 5.5 V Current high range 10 m...

Appendix A Specifications 78 Series N6700 User’s Guide Supplemental Characteristics (continued) N6751A / N6752A N6753A N6754A N6761A / N6762A Up-programming Time with full resistive load: (time f rom 10% to 90% of total voltage excursion) Small voltage step 0 V to 10 V 0 V to 6 V 0 V to 15 V 0 V to ...

Specifications Appendix A Series N6700 User’s Guide 79 Autoranging Characteristic Output Impedance Graphs 1k 320 160 80 40 20 10 5 2.5 1.25 135 90 45 0 -45 FREQUENCY (Hz) 10k 100k Model N6752A, CV Mode, @50V, 2A Phase IMP E DA NCE (m ill iohm s) 100 Magnitude 1k 320 160 80 40 20 10 5 2.5 135 90 45 0...

Specifications Appendix A Series N6700 User’s Guide 83 Supplemental Characteristics N6731B/ N6741B N6732B/ N6742B N6733B/ N6743B N6734B/ N6744B N6735B/ N6745B N6736B/ N6746B Programming Ranges: Voltage 15 mV – 5 .1 V 15 mV – 8 .16 V 30 mV – 20.4 V 40 mV – 35.7 V 70 mV – 61.2 V 100 mV – 102 V Current...

Appendix A Specifications 86 Series N6700 User’s Guide Agilent N6700B, N6701A, N6702A MPS Mainframes Supplemental Characteristics N6700B, N6701A, N6702A Command Processing Time: ≤ 1 ms from receipt of command to start of output change Protection Response Characteristics: INH input Fault on coupled o...

Specifications Appendix A Series N6700 User’s Guide 87 Supplemental Characteristics (continued) N6700B, N6701A, N6702A Environmental Conditions Operating environment Temperature range Relative humidity Altitude Storage temperature LED statement Indoor use, installation category II (for AC input), po...

Appendix A Specifications 88 Series N6700 User’s Guide Outline Diagram 44.45 mm 1.75" . 432.5 mm 17.03" 549.7 mm 21.64" 482.6 mm 19.00" 425.45 mm 16.75" 25.4 mm 1.00" = AIRFLOW N6700B/ N6701A 598.0 mm 23.54" N6702A 560.2 mm 22.06" N6700B/ N6701A 608.5 mm 23.96" N6...

Series N6700 User’s Guide 89 Appendix B Using the Digital Port Digital Control Port ........................................................................................... 90 Configuring the Digital Control Port ............................................................... 91 A Digital Control...

Appendix B Using the Digital Port 90 Series N6700 User’s Guide Digital Control Port An 8-pin connector and a quick-disconnect connector plug are provided on each instrument for accessing the five digital control port functions. The digital control connector accepts wires sizes from AWG 14 to AWG 30....

Using the Digital Port Appendix B Series N6700 User’s Guide 91 Configuring the Digital Control Port Bi-directional Digital I/O Each of the seven pins can be configured as general purpose bi-directional digital inputs and outputs. The polarity of the pins can also be configured. Pin 8 is the signal c...

Appendix B Using the Digital Port 92 Series N6700 User’s Guide Digital Input Each of the seven pins can be configured as digital input only. The polarity of the pins can also be configured. Pin 8 is the signal common for the digital input pins. The pin status reflects the true condition of the exter...

Using the Digital Port Appendix B Series N6700 User’s Guide 93 Fault Output Pins 1 and 2 can be configured as a fault-output pair. The polarity of pin 1 can also be configured. Pin 1 is the Fault output; pin 2 is the common for pin 1. Note that pin 2 must also be connected to pin 8. The Fault Output...

Appendix B Using the Digital Port 94 Series N6700 User’s Guide Fault/Inhibit System Protection The following figure illustrates some ways that you can connect the Fault/Inhibit pins of the connector. As shown in the figure, when the Fault outputs and Inhibit inputs of several mainframes are daisy-ch...

Series N6700 User’s Guide 95 Appendix C Power Allocation Power Limit Operation ..................................................................................... 96 Module Power Allocation ................................................................................ 97 This chapter discusses t...

Appendix C Power Allocation 96 Series N6700 User’s Guide Power Limit Operation Mainframe Power Limit If the combined power drawn from all of the power modules exceeds the mainframe’s power rating, a power fault protection event will occur. This causes ALL outputs to turn off and remain off until a p...

Power Allocation Appendix C Series N6700 User’s Guide 97 Module Power Allocation The following commands program the module power limit function: Front Panel: SCPI Command: Select Output\Power . Enter a power limit for each output. To set a power limit on output 1: POW:LIM 100,(@1) To query the power...

Appendix D Output On/Off Synchronization 100 Series N6700 User’s Guide Synchronizing Output Turn-on Delays Tutorial All N6700 Power Modules that are installed in an Agilent N6700 mainframe exhibit a minimum delay offset that applies from the time that a command to turn on the output is received unti...

Output On/Off Synchronization Appendix D Series N6700 User’s Guide 101 By setting the common delay offset to be greater than or equal to the largest minimum delay offset, you can synchronize the programmed turn-on delays as shown in the following example. Since there will be an additional delay due ...

Appendix D Output On/Off Synchronization 102 Series N6700 User’s Guide 2. Specify which Output Channels will be Synchronized Select the output channels that will be synchronized. Front Panel: SCPI Command: In the front panel menu, select Output\Couple . Check which channels will be coupled. To remov...

Output On/Off Synchronization Appendix D Series N6700 User’s Guide 103 Synchronizing Multiple Mainframes The output turn-on synchronization function can be used across multiple mainframes that have coupled output channels. Each mainframe that will be synchronized must have at least one coupled chann...

Appendix D Output On/Off Synchronization 104 Series N6700 User’s Guide Only two of the digital connector pins on each mainframe can be configured as “ONCouple” and “OFFCouple” on each synchronized mainframe. The designated pins will function as both an input and an output, with a negative transition...

Series N6700 User’s Guide 105 Index A Admin menu, password ................................................... 49 airflow..................................................................... 21, 23, 88 All ...................................................................................11, 53 allo...

Index 106 Series N6700 User’s Guide H Hanning ............................................................................... 71 Help ................................................................................38, 39 history ..........................................................................

Index Series N6700 User’s Guide 107 protection, clearing ........................................................... 60 protection, coupling .......................................................... 60 protection, functions......................................................... 59 pulse ............

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Responsible Party Alternate Manufacturing Site Manufacturer’s Name: Agilent Technologies, Inc. Agilent Technologies (Malaysia) Sdn. Bhd Manufacturer’s Address: 550 Clark Drive, Suite 101 Budd Lake, New Jersey 07828 USA ...

Manual Updates The following updates have been made to this manual since its publication date. 01/22/08 Information about the new 1-microampere measurement range (Option 1UA) for Agilent N6761A/N6762A power modules has been added to pages 20, 58, 76, and 77. Additional information about programming ...