a

o USHfA

y

n y

Warnings

]h BCH89Q4 9ED ]h BCH8AQ4 9EF ]h BCH8BQ4 9EH ]h BCH8CQ4 9F9 ]h BCH8GQ4 9FE

9A ” digit, 100, 416

4W annunciator, 4

50Ω RF switching, 390

75Ω RF switching, 390 *CLS command, 291 *ESE command, 288 *ESR? command, 288 *IDN? command, 265 *OPC command, 279, 291 *OPC? command, 279 *PSC command, 291 *RCL command, 261

*RST command, 160, 267, 295 *SAV command, 261

*SRE command, 286 *STB? command, 278, 286 *TRG command, 82, 230 *TST? command, 268, 295 *WAI command, 295

ABORt command, 79, 230 aborting a scan, 78, 79 absolute time, 87

ac bandwidth

ac current, 116 ac voltage, 114

vs. channel delays, 89 ac current

ac filter, 116, 361 connections, 21

low frequency filter, 116, 361 measurement ranges, 21, 116 settling time, 116, 361

ac filter

definition, 114, 116, 361 vs. channel delays, 89

ac measurement errors, 341 ac settling time, 114, 116

ac voltage measurements ac filter, 114, 361 connections, 21 loading errors, 364

low frequency filter, 114, 361 ranges, 21, 113

settling time, 114, 361 signal conditioning, 359 true RMS measurements, 360

accuracy, 417 accuracy specifications

ac measurements, 406 dc measurements, 404 actuator switching, 59, 384

address (HP-IB) factory setting, 150 selecting, 3, 150

address, channel number, 23, 181 ADRS annunciator, 4

fkey, 36, 104

ALARM annunciator, 4, 124 alarm data, viewing, 126

f key, 35, 40, 125 alarm limits

annunciators, 124

clearing alarm outputs, 129 configuring, 40

default settings, 41, 124 interaction with Mx+B, 40, 123 output connector location, 5 output connector pinout, 128 output latch mode, 128 output slope (polarity), 129 output track mode, 128

scan on alarm, 84

setting limits, 40 with readings, 87

fkey, 35, 129

alarm output lines clearing, 129 connector location, 5 connector pinout, 128 latch mode, 128 slope (polarity), 129 track mode, 128

alarm queue, 41 clearing, 122, 126 number of alarms, 122 output format, 127 storing alarms, 122, 126

alarm register (status) bit definitions, 284 clearing bits, 284

fconnector, 128

alarms

alarm output lines, 128 annunciators, 124 default limit values, 124 description, 122 front-panel annunciators, 124 hardware output lines, 124, 128 interaction with Mx+B, 123 output connector, 128

setting limits, 125

status register group, 284 storing in alarm queue, 122 storing in reading memory, 122 viewing alarm queue, 126 viewing reading memory, 126 while scanning, 75

with multifunction module, 130 alpha (α) for RTDs

default, 110 values, 110

analog-to-digital conversion explanation, 61 integrating technique, 61 non-integrating technique, 61

annunciators, 4, 124 aperture time

command syntax, 217 definition, 103 selecting, 103

application programs C and C++, 328 Excel 7.0, 321, 322

attenuation, 336, 344, 387 auto answer (modem), 274 automatic channel delays, 89 automatic recall, power-down, 48, 77 autorange, threshold values, 98

Index

CA9

Page 415
Image 415
HP 34970A manual Index