Agilent 34980a Driver Download

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Using the Agilent 34980A with. Of instrument driver functions for programming the 34980A. Solution for manual bench top testing or multiple. Agilent technologies 34980A Pdf User Manuals. Using the Agilent 34980A with. Of instrument driver functions for programming the 34980A. Solution for manual bench top testing or multiple. Agilent technologies 34980A Pdf User Manuals.

How your 3499A/B/C Test System Benefits From Upgrading to the New 34980A Switch/Measure/Control System

Application Note

Add functionality, streamline your test programs, and reduce the physical test system size by upgrading from your 3499A/B/C to the new 34980A Multifunction Switch/Measure Unit.

This application note will describe differences and advantages of the new 34980A as compared to the 3499A/B/C. The 34980A Switch/Measure System masters switching, measurement, and control features by offering a superior selection of switch topologies and system control features. A state-of-the-artDMM has been integrated into the 34980A mainframe providing a wide variety of measure capability. The 34980A mainframe also includes standard PC connections and instrument control options for your ease of use.

Discover the detailed advantages of upgrading your test system using the 34980A in this document.

34980A Mainframe, plug-inmodules and terminal cards

Measurements

One of the advantages of the new 34980A is its ability to make highly accurate test system measurements. The integration of a high-speedDMM into the mainframe enhances the 34980A switch and control system by providing voltage, current, temperature, frequency, and resistance measurements without using any of the mainframe’s available eight slots. The DMM conveniently generates measurement results in selectable engineering units. Eleven different types of measurements can be made and are listed on the page 2. The 34980Atime-stampedmeasurement data can be stored or displayed and analyzed as the

measurements are acquired. The 34980A also has configurable High/Low limits on each channel that activate an alarm if the input signals are out of the set range. The 34980A’s integrated DMM saves you time and money by reducing the number of individual instruments required, and additional cabling for measurements and triggering. In comparison, the 3499A/B/C switch requires an external DMM or other measurement instrument as well as additional wiring to provide the same functionality.

List of 34980A Measurement

Capabilities

•Temperature measured with Thermocouples, RTDs and Thermistors

•DC and AC volts

•2- and 4-wireResistance

•Frequency and Period

•DC and AC current

•4 alarms for High/Low or both limits for each channel

•Digital I/O

•Analog outputs (DAC)

The 34980A mainframe also includes four 2-wireinternal analog buses. This is a differentiating 34980A feature and not included with the 3499A/B/C. The analog buses can be used to route measurements directly to the internal DMM or connect the mainframe modules to external instruments. The analog bus can be used to extend modules such as the matrix switch modules, or provide additional signal routing between modules.

Mainframes

The 34980A Multifunction Switch/Measure Unit consists of an eight-slotmainframe with an optional DMM. The DMM is mounted directly behind the front panel so it does not require any of the available eight module slots. A choice from 19 different modules can be plugged directly into theeight-slotmainframe.

In comparison, the 3499 Family has mainframes in three different sizes: A, B, and C that house five, two, and nine modules respectively. The 3499 Family offers a selection of 30 plug-inmodules, 13 of which are the earlier generation HP 3488A Switch/Control Unit modules. Since some of the modules were designed for the 3488, and some modules specifically for the 3499, there is duplicate functionality between the modules.

As test systems and capability needs expand there is a call for a greater number of switch channels within one system. The 34980A switch modules are designed for high switching channel count. The 34980A eightslot mainframe fully loaded with 2-wiremultiplexer modules houses a total switch channel count of 560. The 3499Cnine-slotmainframe fully loaded with 2- wire multiplexer modules houses a total of 360 switch channels. For a quick summary of the maximum switch channel count for the switch systems mainframes, see Table 1.

Mainframe	Mainframe Size	Number of Module Slots	Maximum Number
of Channels (2-wire)
34980A	Full Rack, 3U	8	560
3499B	Rack, 2U	2	80
3499A	Half Rack, 2U	5	200
3499C	Full Rack, 5U	9 (electrical)/	360
14 (physical)

Table 1. Max2-wireMux channel count per Mainframe

Modules

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The 34980A implements a superior selection of switch topologies. The 34980A switch topologies are similar to 3499A/B/C switch modules and include multiplexers, matrixes, high-power,general purpose, and RF/microwave switches. However, the 34980A modules have utilized the newest switch technology which enables a higher density of channels per module, and the ability to achieve the faster scan rates with the integrated DMM. The 34980A offers other functionality used in test systems and includes digital I/O, a counter/totalizer and D/A converters. New 34980A functions include a FET

multiplexer switch module, a counter/timer and digital I/O with pattern generator/detector along with digital I/O and D/A converters. The 34980A RF and microwave switch drivers offer functionality for a broader range of RF/microwave switches being used by customers today.

The 3499A/B/C does provide a selection of optics switching which is not available with the 34980A. Table 2 shows the 34980A and 3499A/B/C system modules organized by switch and/or measurement type. It is easy to compare and upgrade from the 3499A/B/C switch modules to the new 34980A switch modules as well as add new switch, measurement and control capabilities.

Benefits of the new 34980A modules vs 3499A/B/C modules

•Increased channel count per module with the same switch reliability

•Increased drivability for various RF/uWave switches

•High Speed FET multiplexer

•Reed Matrix switch

•Switch/attenuator driver

•Counter/Timer

•High Speed Digital I/O with memory

•Analog output with waveform capabilities

•Breadboard module with +5V, +12V

With so many different types of switch modules to choose from, you can easily identify the modules from Table 2 that provide the best solution to meet your test application needs. For detailed module specifications, please refer to the product data sheets available at these web locations: http://www.agilent.com/find/34980A andhttp://www.agilent.com/find/3499

3

Table 2. Direct comparison of 34980A and 3499 modules
Module Type	34980A		3499A/B/C
Multiplexer	34921A		40 Ch armature 300V 1A	N2260A 40 Ch armature 200V 1A
34922A		70 Ch armature 300V 1A	N2266A 40 Ch reed 200V .5A
34923A		40 Ch reed 200V .5A	N2270A 10 Ch 1000V 1A
34924A		70 Ch reed 80V .5	44470A	10 Ch armature 250V 2A
34925A		40 Ch FET +/-80V .5A	44470D	20 Ch armature 250V 2A
General Purpose	34937A		28 Ch, 1A and 4 Ch, 5A	N2261A 40 Ch
34938A		20 Ch, 5A	N2267A 8 Ch, 8A
44471A	10 Ch
44471D	20 Ch
44477A	7 Ch SPDT (Form C)
Matrix	34931A Dual 4x8 armature 300V 1A			N2262A 4x8 armature 200V 1A
34932A Dual 4x16 armature300V 1A			44473A	4x4 armature 250V 2A
34933A Dual 4x8 reed 80V .5A
Digital I/O	See multifunction 34950A, 34952A			N2263A 32-bitTTL
44474A	16-bitTTL
Multifunction	34952A		32-bitDigital I/O with 2 Ch	N2264A 12 GP, 3 GP 5A, 16-bitDig I/O
DAC and Counter/Timer		N2265A 4x4 matrix, 16-bitDig I/O
34950A		64-bitDigital I/O with Pattern	N2269A 2 DAC, 16-bitDig I/O
Generator/Detector
Fiber-OpticMultiplexer	N2280A Quad 1x2
N2281A Dual 1x4
N2282A Single 1x8
RF & Microwave	34941A Quad 1x4 RF 1.5G 50Ω, SMA			N2268A Dual 1x4 3.5G 50Ω
34946A		4G/20G 50Ω, 2 SPDT SMA	N2272A Single 1x9 1.0G 50Ω
(N1810TL)		N2276A Dual 1x6 20G 50Ω
34947A		4G/20G 50Ω, 3 SPDT, SMA	(87106B/4B)
(N1810UL)		44472A	Dual 1x4 300M 50Ω
44478A Dual 1x4 1.3G 50Ω
44476A	Triple 1x2 18G 50Ω
(8762B)
34942A Quad 1x4 RF 1.5G 75Ω, mSMB		44478B Dual 1x4 1.3G 75Ω
34945A uwave Switch/Attn Driver			N2276B Relay driver (2 switches)
32 SPDT or 8 attenuators			Choose from switches;
The following µwave switches and			87104A/B/C
attenuators are supported with			87106A/B/C
the distribution1 boards;			also drive two external attenuators
N181x series SPDT switches		84904/6/7/K/L
876X series SPDT switches
87104x/106x multi-portswitches		44476B Relay driver (2 switches)
87606x series matrix switches		Choose from switches;
8722x transfer switches		8762A/B/C/F
849x series attenuators		8763B/C
8490x series attenuators		8764B/C
Generic screw terminal connections
Third-partyswitches (screw terminals)
DAC	34951A Quad 16-bitD/A Converter			See multifunction
Breadboard	34959A		+12 V, +5 V	44475A	5.5

User Interface

The 34980A offers the most modern instrument I/O options for interfacing a controller PC with the switch system: GPIB, USB and LAN. All three Input/Output interface connections come standard with the 34980A mainframe. If you choose to modify or upgrade your test system I/O, the 34980A is system ready.

You can also easily control the 34980A without connecting to a PC by pressing the front-panelbuttons, an advantage when first setting up or troubleshooting a system.

Upgrading your test system from using the 3499A/B/C GPIB to the 34980A GPIB, or newer USB or LAN is quick and easy. If you have used I/O Config from the Agilent I/O Libraries to set your GPIB instrument connection, you would use the same I/O Config to set up your LAN or “TCPIP” instrument connection. Retrieve the LAN, TCPIP address from your instrument and enter it into I/O Config. When you address your instrument in a program, it will look similar to; TCPIP0::9::INSTR. For more information on

connecting to Agilent instruments you can access the Agilent Technologies USB/LAN/GPIB Interfaces Connectivity Guide at www.agilent.com/find/connectivity With LAN, the instrument can be located closer to the device under test without worrying about the distance to the PC. A USB to instrument connection is even easier. The computer automatically detects instruments that are USB ready. If you are currently using the 3499A/B/C RS232 interface, it is recommended to upgrade to the 34980A GPIB, USB or LAN interface to achieve optimal data transfer rates.

Instrument Control (Programming)

The 34980A and 3499A/B/C can both be controlled locally from the front panel, or by sending either instrument or driver commands from a PC for remote control. The 34980A’s instrument commands and drivers are based on modern standards such as SCPI (standard commands for programmable instruments) and IVI-Cand IVI COM drivers. The SCPI instrument

similar to the 3499A/B/C’s but they are not interchangeable. A comparison of the commands is provided in appendix A. The 34980A's IVI-CandIVI-COMdrivers are similar to Plug & Play drivers, the 3499A/B/C's Plug & Play driver for example, but include improvements. The IVI (Interchangeable Virtual Instruments) driver specification was built upon the Plug&Play driver specification but adds the capabilities provided by the Microsoft ActiveX technologies which simplify instrument interchangeability, and product performance. The 34980A also includes many new commands for the operation of the embedded DMM. A 34980A Web interface provides a new easy way to communicate via LAN with the instrument.

Table 3 shows a summary of the programming control options available for the 3499A/B/C and the 34980A. There is similarity between the instrument commands, however, the 34980A has evolved to use the most modern and widely accepted instrument command standards.

Table 3. Control Options for 3499A/B/C and 34980A
3499A/B/C	34980A
Front Panel Buttons	●	●
3488 Legacy Commands	●
SCPI Commands	●	●
Plug & Play driver	●
IVI COM driver	●	●
IVI-Cdriver	●
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Web Interface	●

Listed below are each of the many ways available to communicate and control the 34980A, the communication options and their description

Web Page Interface

The 34980A comes with a built-indetailed instrument web page that allows you to remotely connect and communicate with the mainframe and installed modules. You establish a LAN connection, either directly between the 34980A and PC, or from the 34980A to an existing Local Area Network. The instrument Web page resides on the 34980A and can be accessed using a standard web browser such as Netscape or Internet Explorer on a PC. Just type the IP address into the web browser. The web interface allows you to select any of the installed modules and view the current configuration, change settings, make measurements, and makes it easy to troubleshoot or debug the switch/measure system. The instrument web interface also allows you to check the current status of the instrument by viewing the error queue, calibration status and the accumulated module switch closures.

Web interface display for 34921A MUX Switch module

Web interface display of scanned measurements

SCPI Commands

The 34980A can be programmed using SCPI commands or the IEEE standard commands. Configuration, measurements and system control of the mainframe and modules are easily achieved using these instrument commands.

One difference between instrument commands for the 3499A/B/C and the 34980A relates to addressing specific channels in the system. Table 4 shows an example difference in 3499A/B/C switch control commands compared to 34980A commands. Notice the 34980A uses four digits to address the module slot number

and channel(s) rather than only three digits as the 3499A/B/C uses. Also, for the 3499A/B/C the [ROUTe] in the command structure is optional, where with the 34980A it is required.

The 34980A offers new measurement and module capabilities such as counter/timer and digital I/O with pattern generator/detector that use commands unique to their functionality. Appendix A includes a list of the 34980A and 3499A/B/C commands as well as direct comparisons of the commands.

Table 4. Command comparisons

34980A

IVI-C,IVI COM and LabVIEW instrument drivers

34980A IVI-C,IVI COM and LabVIEW instrument drivers are available for simplified programming. If you currently program using Plug&Play drivers, theIVI-Cdriver is similar and can be used to program in the same way. The IVI COM driver conforms to the most modern IVI COM instrument driver standard and can be used in any programming environment. LabVIEW programmers are able to use the 34980A LabVIEW instrument driver for their graphical programming environment.

3499A/B/C

Close channel 10 on the module in slot 3

ROUTe:CLOS (@3010)	[ROUTe:]CLOS (@310)
Scan channels 0 through 40 on the module in slot 1
ROUTe:SCAN (@1001:1040)	[ROUTe:]SCAN (@100:140)

Scan Feature

The scan feature is a sequence of alternating switch closures and measurements. This feature is provided by both the 34980A and a 3499A/B/C combined with a DMM or other measurement instrument. The 34980A increases

Although the 34980A scan feature can be used with either the internal DMM or with an external instrument, using the integrated DMM provides a faster and more efficient scan rate. The integrated DMM eliminates the need for external instrument triggers and wiring. The 3499A/B/C scan list

The 3499A/B/C cannot store readings but does offer more scan configurability. For example, once a 3499A/B/C scan list is set up, the user can select an arm source, a trigger source, the number of sweeps, and the delay time for each individual channel within the scan list.

Table 5. 34980A and 3499A/B/C Multiplexer & Matrix module scan rates
Module Type
34980A	Scan Rate	3499A/B/C		Scan Rate
Modules		Ch/s	Modules		Ch/s
Multiplexer	34921A 40 Ch armature		100	N2260A 40 Ch armature		80
34922A	70 Ch armature	100	N2266A 40 Ch reed		350
34923A	40 Ch reed	500	N2270A 10 Ch		100
34924A	70 Ch reed	500	44470A	10 Ch armature	43
34925A	40 Ch FET	1000	44470D	20 Ch armature	Hp designjet drivers windows 10. 43
Matrix	34931A Dual 4x8 armature		100	N2262A 4x8 armature		80
34932A Dual 4x16 armature		100	44473A	4x4 armature	43
34933A Dual 4x8 reed		500

Monitor Feature

The 34980A monitor feature allows you to monitor readings acquired by the switch/measure system. You can also monitor readings acquired with the 34980A internal DMM. To monitor a measurement from the front panel, simply select the channel and press either the Measure [DMM] or [Channel] button to see a continually updated channel output or state on the front display. For programs, use the ROUTe:MONitor:DATA? Command. The command reads the data from the channel currently selected by the Monitor function. One reading is displayed for each monitor command. The Web interface can also be used to monitor a channel measurement.

The 3499A/B/C monitor feature allows users to continuously monitor a selected switch or module status from the front display. A channel monitor can be set up using the front panel buttons or instrument commands. The 3499A/B/C monitor output can be a specific switching channel, a digital I/O port or the state of all switches or digital I/O on one plug-inmodule. The 3499A/B/C allows a single channel to be monitored continuously even during an instrument scan.

Stored State Feature

The 34980A is also able to store/recall up to six (0 through 5) instrument setups. A stored setup state can be automatically recalled at any time, even during a power up state. The stored state feature contains the state of the plug-inmodules including channel configurations, scanning setups, alarm values, and Mx + B scaling values. Location 0 is typically used for the Factory Reset and power down state, but can also be programmed with a new setup.

The 3499A/B/C is able to store and recall up to 50 instrument setup states with revision 4.0.

The instrument setups include the status of relay channels, and/or the static digital I/O state, module configuration, and scanning setups (scan lists, arm count, arm source, etc.). The 3499A/B/C is not able to automatically power up in a stored state.

Switch and Measurement

Connections

Agilent 34970a Driver Download

Most often, test systems must be flexible enough to be easily moved to a new location or modified for different devices under test. Having a removable wiring terminal block or a pre-wiredcable is optimal in these situations. The module’s terminal and/or cable can simply be removed and replaced with a different terminal for the new test configuration. This prevents the need to rewire the same terminal each time for different applications. Fortunately, both the 34980A and 3499A/B/C provide the removable terminals andpre-wiredcables so changing your test system wiring from the 3499A/B/C to the 34980A is fairly simple.

The 34980A offers the ability to use either standard Dsub 50 and Dsub 78 connectors/cables, detachable terminal cards or mass interconnect connections. The RF and Microwave modules include standard connectors such as SMA and SMB. The 34980A cables

(Dsub50 and Dsub78) are low cost and readily available from many sources. The detachable screw terminal blocks are easy to wire and include built-incable strain relief. The screw terminals attach to the switch modules with a secure latching mechanism for ease of use and improved connection reliability. No tools are required to easily connect and disconnect the wired terminals. The 3499 terminals are secured to the module and housing by screws at the end of the terminals and require a screwdriver to remove or replace.

For more complex test system wiring, mass interconnect (one location in a system where the switch, instruments and DUT are interconnected) is made easy by using solutions provided by connection experts. The standard Dsub 50 and Dsub 78 connectors make it faster and easier for Mass Interconnect suppliers to provide a test system wiring solution. The easy to use connections facilitate time and cost savings for test systems using the 34980A.

The 34980A terminal wiring and cables are different from that of the 3499A/B/C. However, they offer a better solution to test system interface due to the use of highly reliable standard connectors and low cost cables.

Refer to Table 2 for the modules that have optional terminal blocks or the 34980A data sheet for specific module wiring connection details: http://www.agilent.com/find/34980A.

The 3499A/B/C offers removable screw terminal blocks for many of the modules and also an option for pre-wiredDIN96 to quad D25, or dual D50 cables. Some of the modules such as the Optics, Microwave and RF modules include the SMA or BNC terminals for application specific connections. Refer to Table 2 for modules that include terminals.

34980A Modules and Std DSub 50/78 connectors

3499A/B/C Modules and Terminals

Agilent 34980a Driver Download

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