Agilent Technologies L4400 manual Visual Basic 6.0

Index

L4421A, 109

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

L4450A, 224

L4451A, 232

L4452A, 244 pollution degree, 2 pollution degree definitions, 66 porting applications, 65 position indicators

L4445A, 155 power cord

connecting, 11 power-fail jumper

L4437A, 130 power-on states, 45 private LAN networks, 17 programming examples, 59

C#, 60

IVI-C, 61 IVI-COM (.NET), 59

L4400 and 34980A instruments, 64 porting to other instruments, 65 VISA and VISA COM, 62

Visual Basic 6.0, 61

Visual Basic.NET, 60 proxy server, 21 PWR, 48

Q

querying parameter settings, 54

R

rack mount kit contents, 5 rack mounting, 5, 7

connecting the shelf to the rack frame, 11 installing the sliding shelf, 9

reading digital data L4450A, 206 reading format, 79

applicable instruments, 79 reading storage, 69

rear panel overview, 50 recall stored state, 96 recommended drivers, 16 recommended test equipment

(calibration), 249 recovery time

L4445A, 154

relative reading format, 79 relay cycle count, 98

applicable instruments, 98 relay odometer, 98

remote module identifiers, 151 remote sensing

L4451A, 224

S

safety interlock, 67, 102 safety symbols, ii scan interval, 72

scan list, 71

applicable instruments, 71 scan lists, 55

scan sweep count, 76 scan trigger, 72

applicable instruments, 72 scan trigger count, 75 scanning, 69

adding channels, 71 applicable instruments, 69 external, 81 non-sequential, 79

on alarm, 74 rules, 69

scanning manual, 73 scanning on alarm

applicable instruments, 74 SCPI command summary

all instruments, 55 L4421A, 103 L4433A, 115 L4437A, 132 L4445A, 142 L4450A, 198 L4451A, 226 L4452A, 237

SCPI errors, 97 SCPI programming

braces and vertical bars, 53 brackets, 53

channel lists and scan lists, 55 command separators, 54 keywords, 53

linking commands, 54

MIN and MAX parameters, 54 optional parameters, 53 querying parameter settings, 54 syntax conventions, 53

security code calibration, 250

sense terminals L4451A, 224

sequence definition, 90 sequences

applicable instruments, 89 catalog, 95

defining, 89 deleting, 95 executing, 93 executing on alarm, 94 querying definition, 93 valid commands, 90

settling delay, 77 settling time

L4445A, 154 shelf rails, 7 shielded cables, 4

simplified block diagrams L4451A, 231 L4452A, 243

simplified schematics L4421A, 108

L4433A (one-wire mode), 126 L4433A (two-wire mode), 122 L4437A, 134

simulation mode (Safety Interlock), 67 site LAN considerations, 18

slave module, 144 snubber circuitry

L4437A, 136 solder cup connectors, 4 stored states, 96 sweep count, 76

applicable instruments, 76 switch position indicators

L4445A, 155 switch verification L4445A, 155

synchronous handshake mode L4450A, 211

syntax conventions, 53

T

technical support, ii temperature limits, 66 temperature sensor, 110

L4437A, 130 terminal block

34950T, 227

terminal blocks, 4

34921T, 110

34951T, 233

34952T, 245

L4433A (one-wire mode), 128 L4433A (two-wire mode), 124 L4437A, 136

totalizer input L4452A, 236

totalizer mode L4450A, 222

track mode (alarms), 88 transients, 3, 66 trigger count, 75

applicable instruments, 75 trigger interval, 72

trigger timer, 72

268 L4400 User’s Guide