Agilent Technologiesメーカー3499A/B/Cの使用説明書/サービス説明書
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How your 3499A/B/C T est System Benefits From Upgrading to the New 34980A Switch/Measure/Control System Application Note This application not e will describe differences and advant ages of t he new 34980A as compared to the 3499A/B/C.
2 List of 34980A Measurement Capabilities • T emperature measured with Thermocouples, RTDs and Thermistors • DC and AC volts • 2- and 4-wire Resistance • Frequency and Period • DC and AC cur.
3 Modules The 34980A implements a superior selection of switch topologies. The 34980A swit ch topologies are similar t o 3499A/B/C switch modules and include multiplex ers, matrixes, high-po w er , general purpose, and RF/micro wav e switches.
4 Module T ype 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 .
5 User Interface The 34980A of fers the most modern instr ument I/O options for inter facing a controller PC wit h the switch system: GPIB, USB and L AN. All three Input/Output inter face connections come standard with the 34980A mainframe. If you choose t o modify or upgrade your test system I/O, the 34980A is system ready.
6 W eb Page Interface The 34980A comes wit h a built-in detailed instr ument w eb page that allo ws you t o remot ely connect and communicate with the mainframe and installed modules. Y ou establish a L AN connection, eit her directly between t he 34980A and PC, or from the 34980A to an existing Local Area Netw ork.
7 T able 4. Command comparisons 34980A 3499A/B/C Close channel 10 on the module in slot 3 ROUT e:CLOS (@3010) [ROUT e:]CLOS (@310) Scan channels 0 through 40 on the module in slot 1 ROUT e:SCAN (@1001:1040) [ROUT e:]SCAN (@100:140) and channel(s) rat her than only three digits as the 3499A/B/C uses.
8 Scan Feature The scan feature is a sequence of alternating swit ch closures and measurements. This feature is pro vided by bot h the 34980A and a 3499A/B/C combined wit h a DMM or ot her measurement instrument.
9 Monitor Feature The 34980A monit or feature allo ws you t o monit or readings acquired by the switch/measure system. Y ou can also monitor readings acquired wit h t he 34980A internal DMM.
10 Switch and Measurement Connections Most often, t est syst ems must be f lexible enough to be easily mov ed to a new location or modified for different devices under test. Having a remo vable wiring ter minal block or a pre-wired cable is optimal in t hese situations.
11 Summary Although the 3499A/B/C Switch/Control system has been a great addition to many test systems, the new 34980A now offers an even better module selection plus measurement capability , standard PC connections f or communication, and is easy to connect to modules.
12 Appendix A – Command Reference/Comparison 34980A Commands ABORt CALCulate :A VERage:AVERage? :A VERage:CLEar :A VERage:COUNt? :A VERage: MAXimum? :A VERage:MAXimum:TIME? :A VERage:MINimum? :A VER.
13 :CURRent:AC :CURRent[:DC] :DIGital:ST A T e :DIGital:WIDTh :FREQuency :FRESistance :PERiod :RESistance :TEMPerature :TOT alize [:VOL T age]:AC [:VOL T age][:DC] CONFigure? DA T A :LAST? :POINts:EVE.
14 :CURRent:AC? :CURRent[:DC]? :DIGital[:<width>]? :DIGital[:BYTE]:BIT? :FREQuency? FRESistance? :PERiod? :RESistance? :TEMPerature? :TOT alize? [:VOL T age]:AC? [:VOL T age][:DC]? MEMory :ST A .
15 :SCAN :SCAN:ADD :SCAN:REMove :SCAN:SIZE? SAMPle :COUNt :COUNt? SENSe :CURRent:AC :BANDwidth :BANDwidth? :RANGe :RANGe? :RANGe:AUTO :RANGe:AUTO? :CURRent[:DC] :APERture:ENABled? :APERture :NPLC :NPL.
16 :RANGe:AUTO? :RESolution :RESolution? :ZERO:AUTO :FUNCtion :FUNCtion? :PERiod:APERture :PERiod:VOL T age:RANGe :VOL T age:RANGe? :VOL T age:RANGe:AUTO :VOL T age:RANGe:AUTO? :PERiod:ZERO:AUTO :RESi.
17 [:DC]:NPLC? [:DC]:RANGe [:DC]:RANGe? [:DC]:RANGe:AUTO [:DC]:RANGe:AUTO? [:DC]:RESolution [:DC]RESolution [:DC]:ZERO:AUTO [:DC]:ZERO:AUTO? SOURce :CURRent[:LEV el] :CURRent[:LEV el]? :DIGital:DA T A.
18 :ALARm:ENABle? :ALARm[:EVENt]? :MODule:ENABle :MODule:EVENt? :MODule:SLOT[n]:CONDition? :MODule:SLOT[n]:ENABle :MODule:SLOT[n][:EVENt]? :OPERation:CONDition? :OPERation:ENABle :OPERation:ENABle? :O.
19 :TIME? :TIME:SCAN? :VERSion? TRACe:CA T alog? [:DA T A] [:DA T A]:DAC [:DA T A]:FUNCtion :DELete:ALL :DELete[:NAME] :FREE? :POINts? TRIGger :COUnt :COUNt? :DELay :DELay? :DELay:AUTO :DELay:AUTO? :SOURce :SOURce? :TIMer :TIMer? UNIT :TEMPerature :TEMPerature? IEEE-488.
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