Index

distribution board Y1150A (L4445A), 161 Y1151A (L4445A), 165 Y1152A (L4445A), 170 Y1153A (L4445A), 175 Y1154A (L4445A), 180 Y1155A (L4445A), 185

distribution boards

L4445A, 160

downloading firmware updates, 39 drivers

recommended, 16 D-sub pinouts

L4421A, 109

L4433A (two-wire mode), 123 L4433A one-wire mode), 127 L4437A, 135

L4450A, 224

L4451A, 232

L4452A, 244

E

editing LAN settings, 30

electrical operating conditions, 3, 66 environmental operating conditions, 2, 66 error queue, 97

example programs, 59 L4421A, 105 L4433A, 116 L4437A, 133 L4445A, 194 L4451A, 228 L4452A, 241

examples IVI-C, 61

IVI-COM (.NET), 59

L4400 and 34980A, 64 porting to other instruments, 65 VISA and VISA COM, 62 Visual Basic 6.0, 61

Visual Basic.NET, 60 execution times

L4445A, 155

Ext Trig connector, 75 Ext Trig port, 51 external DMM, 83 external pullups

L4450A, 208 external reference, 110 external scanning, 75, 82

applicable instruments, 81 connections, 81

F

firmware updates, 39 downloads, 39 installation, 40 update utility, 39 utility installation, 39

format reading, 79

frequency measurements L4450A, 223

front panel LEDs, 48 front panel overview, 48

G

global error queue, 97

GPIB

adding additional instruments, 38

adding instruments to the configuration, 34 address string, 35

changing the address, 35

using Agilent Connection Expert, 33 verifying communication, 35

GPIB cables connecting, 33

GPIB configuration, 33 grounding requirements, ii

H

handshake line drive mode L4450A, 210

handshake line output voltage level L4450A, 210

handshake line polarity L4450A, 210

handshake line threshold L4450A, 210

handshake sequence, 82 handshaking

L4450A, 209 handshaking digital data

L4450A, 209 hardware configuration, 17 hardware descriptions

L4421A, 106

L4433A, 120

L4437A, 134

L4450A, 205

L4451A, 224

L4452A, 236

high energy sources, 3, 66 host names, 20, 21 humidity, 2

humidity limits, 66

I

identifying instruments, 27 initiated measurement mode

L4450A, 223

installing instrument drivers, 14 installing the Agilent IO Libraries, 14 instrument addressing, 21 instrument command summary, 55 instrument configuration, 17 instrument cooling, 5

instrument grounding, ii Instrument overviews

L4421A, 102 instrument overviews

L4433A, 114

L4437A, 130 instrument state storage, 96 instrument states, 96 instrument ventilation, 5 instrument web interface, 28 instruments

identifying, 27 locating, 22

Interactive IO, 26 interconnections, 4 interrupt lines

L4450A, 219 IP addresses, 21

IP addresses and host names, 20 isolated LAN networks, 17 isothermal block, 110

K

keywords, 53

L

L4400

front panel overview, 48 instrument addressing, 21 instrument configuration, 17 instrument driver installation, 15 instrument drivers, 14 programming environments, 16 programming examples, 59 rear panel overview, 50

L4400 channel addressing scheme, 52 L4421A

connector pinouts, 109 hardware description, 106 simplified schematic, 108

valid measurement functions, 102 L4421A example program segments, 105 L4421A SCPI command summary, 103 L4433A

channel numbering, 116

connector pinouts (one-wire mode), 127 connector pinouts (two-wire mode), 123 linking multiple modules, 118

266

L4400 User’s Guide

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Agilent Technologies L4400 manual Gpib