Filter
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connector pinout
alarm output, 128
RS-232, 273
connector location
Alarm output, 5, 128
Channel Advance, 5
Channel Closed, 5
Ext Trig, 5, 83
GPIB, 5
RS-232, 5
contact
debounce (totalizer), 396
protection, 385
resistance, 399
continuous scan count, 86
conversion accuracy
RTD, 345
thermistor, 345
thermocouple, 345
copying, channel configuration, 25
correlated noise, 341, 365
count (scan)
continuous, 38, 86
default value, 38, 86
settings, 38, 86
count
calibration, 159
clearing relay cycles, 148
reading relay cycles, 147, 399
count-down time, 81
counter
adding to scan list, 44
manually reset, 44
reading count, 44
reset mode, 44
crest factor
defined, 362
errors, 407
crosspoint switching, 59
crosstalk, 411
CURR:AC:BANDwidth command, 224
current limitation (DAC), 139, 397
current measurements
ac low frequency filter, 116, 361
ac settling time, 116, 361
burden voltage, 368
connections, 21
low frequency filter, 116, 361
measurement ranges, 21, 116
valid channels, 116
custom label (Mx+B)
displaying “
° ” character, 120
valid characters, 120
cycles
clearing relay count, 148
reading relay count, 147, 399
D
DAC output (34907A)
current limitations, 139, 397
differential errors, 398
integral errors, 398
simplified schematic, 397
writing to, 45
data acquisition overview, 50
data bits (RS-232)
factory setting, 152
selecting, 152
data frame format (RS-232), 272
DATA:LAST? command, 92, 234
DATA:POINts? command, 92, 235
DATA:POINts:EVENt:THR command, 391
DATA:REMove command, 235
DATA:REMove? command, 92
date (calendar)
factory setting, 145
setting, 22, 145
dc current
connections, 21
measurement ranges, 21
dc voltage
bias current, 358
common mode noise, 354
connections, 21
injected current, 356
input resistance, 113, 357
loading errors, 357
measurement ranges, 21, 113
signal conditioning, 354
decimal format (digital input), 42, 133
declaration of conformity, inside rear cover
default delays (channel delays), 89
delay (channel delay), 88
device clear, 302
DIAG:DMM:CYCL:CLEar command, 294
DIAG:DMM:CYCL? command, 294
DIAG:PEEK:SLOT:DATA? command, 265
DIAG:POKE:SLOT:DATA command, 265
DIAG:RELay:CYCL:CLEar command, 294
DIAG:RELay:CYCL? command, 294
dielectric withstand voltage, 335
differential error (DAC), 398
diffusion error, 352
digital channels, external scanning, 97
digital input (34907A)
8-bit vs. 16-bit operations, 133
adding to scan list, 42, 133
binary format, 42, 133
block diagram, 174
card reset, 133, 134
decimal format, 42, 133
scanning, 76
simplified schematic, 392
using alarms, 130
digital output (34907A)
8-bit vs. 16-bit operations, 138
binary format, 43, 138
card reset, 138
decimal format, 43, 138
driving microwave switches, 394
simplified schematic, 393
sink current, 393
TTL drive capability, 393
DIG:DATA:BYTE? command, 255
DIG:DATA:WORD? command, 255
digits
number of, 100
vs. integration time, 103, 203
dimensions
34970A, 413
plug-in modules, 413
DIN/IEC 751, 106
disabling internal DMM, 96
discrete parameters, 300
DISPlay command, 266
Index
Index
424