4
Features and
Functions
4
-
HP 34970A
1
-
The Front Panel at a Glance
3
-
Display Annunciators
5
-
The Rear Panel at a Glance
6
-
PC for gathering and
7
-
SMB connections
9
-
RF multiplexers, you can
9
-
LO) switching
10
-
In This Book
11
-
Contents
12
-
Quick Start
16
-
Standby only
18
-
Installation Procedure
19
-
On-Line Help System
20
-
4 Replace the module cover
21
-
7,0(30
23
-
-81
23
-
DAC) modules
24
-
SCAN annunciator
25
-
READINGS and press
25
-
3$67(72
26
-
To Close a Channel
27
-
HP Part Number: 2110-0458
29
-
Chapter 1 Quick Start
30
-
To Rack Mount the Instrument
31
-
Front-Panel
33
-
Overview
33
-
Front-Panel Overview
34
-
Front-Panel Menu Reference
35
-
To Monitor a Single Channel
37
-
,17(59$/6&$1
38
-
6&$16
38
-
,
39
-
,9'&
39
-
/$%(/$6/%6
39
-
86($/$50
40
-
+,$/$5021/<
40
-
,°&
41
-
',1
42
-
'287
43
-
'287
43
-
5($'5(6(7
44
-
To Output a DC Voltage
45
-
+3,%
46
-
$''5(66
46
-
%$8'
47
-
(9(1,%,76
47
-
)/2:'75'65
47
-
1$0(67$7(
48
-
7(67BUDFNB
48
-
6725(67$7(
48
-
67$7(
48
-
&+$1*(6$9('
48
-
System Overview
49
-
Measurement Software
52
-
Optional
53
-
Plug-In Modules
54
-
System Cabling
55
-
Transducers and Sensors
56
-
Signal Routing and Switching
57
-
DMM, you create a scanner
58
-
LO measurements
58
-
Channel Open
59
-
Channel Closed
59
-
Measurement Input
60
-
Scanning
62
-
The Multifunction Module
65
-
Control Output
67
-
±12 volts with
68
-
SPDT) switches
69
-
Features and
70
-
Functions
70
-
Features and Functions
71
-
SCPI Language Conventions
72
-
Power Failure
76
-
HP-IB interface by
81
-
TTL pulse is received
82
-
EXT annunciator turns on as a
82
-
TTL pulse is
82
-
@103) Enable the upper limit
84
-
Scan Count
85
-
Reading Format
86
-
Channel Delay
87
-
Automatic Channel Delays
88
-
Single-Channel Monitoring
92
-
Measurement Range
97
-
9'&
99
-
P9'&
99
-
,2+0
99
-
A/D) converter
100
-
Custom A/D Integration Time
102
-
PLCs for the active channel
103
-
INTEGRATE T from the Advanced
103
-
Autozero
104
-
Measurement Units
105
-
Thermocouple Measurements
106
-
RTD measurement
107
-
RTD Measurements
109
-
RTD type
110
-
Thermistor Measurements
111
-
DC Input Resistance
112
-
AC Low Frequency Filter
113
-
Offset Compensation
114
-
20 Hz), or fast filter
116
-
Low Frequency Timeout
117
-
Mx+B Scaling
118
-
=0.001428571, B=
119
-
SCALING OFF
120
-
Alarm Limits
121
-
CHANNEL OFF
122
-
Upper Limit
123
-
Lower Limit
123
-
Alarm Event
123
-
No Alarm
123
-
@103,212)
124
-
Viewing Stored Alarm Data
125
-
4 Channel Number
126
-
Using the Alarm Output Lines
127
-
Falling Edge Rising Edge
128
-
;%,1
129
-
CALC:COMP:MASK
130
-
Digital Input Operations
132
-
@302) Read port 02
133
-
Totalizer Operations
134
-
@<ch_list>)]
136
-
@<scan_list>)
136
-
Digital Output Operations
137
-
DAC Output Operations
138
-
System-Related Operations
139
-
Error Conditions
141
-
Self-Test
142
-
Display Control
143
-
Real-Time System Clock
144
-
Internal DMM Disable
144
-
Firmware Revision Query
145
-
Relay Cycle Count
146
-
DMM relay or the
147
-
SCPI Language Version Query
148
-
HP-IB Address
149
-
Remote Interface Selection
150
-
Parity Selection (RS-232)
151
-
XON/XOFF
152
-
DTR/DSR, RTS/CTS, or Modem
152
-
XOFF” character (13H)
152
-
Calibration Overview
154
-
Calibration Message
157
-
Calibration Count
158
-
Factory Reset State
159
-
Instrument Preset State
160
-
Compensation
161
-
Module Reference
162
-
Channel Switches
163
-
Shunt Switches
163
-
Bank Switch
163
-
Backplane Switches
163
-
HP 34904A 4x8 Matrix Switch
169
-
Digital Input/Output
173
-
Totalize Input
173
-
Analog Output (DAC)
173
-
Remote Interface
177
-
Reference
177
-
Remote Interface Reference
178
-
SCPI Command Summary
179
-
@101,121)
180
-
@101:220)
180
-
@101:122)
180
-
,][(@<channel>)]
183
-
>[,(@<ch_list>)]
190
-
Alarm Limit Commands
191
-
MIN
194
-
MIN
194
-
System-Related Commands
195
-
ON},<code>
197
-
IEEE 488.2 Common Commands
198
-
Ω (fixed for all DCV ranges)
199
-
Using the MEASure? Command
200
-
Using the CONFigure Command
200
-
Using the READ? Command
202
-
Example: Using MEASure?
203
-
RTD measurements
206
-
+1.00000000E+01”
213
-
MAX selects the largest
214
-
3.00000000E-05”
214
-
PLCs) on the
216
-
PLC. MIN = 0.02. MAX = 200
216
-
+1.00000000E+00”
216
-
OFF) or “1” (ON)
219
-
+2.89753100E+01”
219
-
RTD type in use on
220
-
+1.00000000E+02”
220
-
@<ch_list>)
223
-
Scanning Overview
224
-
Scan Interval
225
-
@101:103), the ROUT:SCAN?
226
-
ABS” or “REL”
230
-
+2.61920000E+01”
231
-
+0.00000000E+00”
232
-
+5.00000000E+00”
232
-
MEM annunciator
233
-
SCPI definite length block
234
-
RF multiplexer modules
235
-
DMM is not
235
-
#16(@103)
236
-
DMM. In this
237
-
#214(@101,102,103)
238
-
BUS”, “IMM”, “EXT”, or “TIM”
238
-
EXTernal”
240
-
EXT”, “BUS”, or “IMM”
240
-
Mx+B Scaling Overview
242
-
±1E+15. The default is B=0
243
-
Alarm System Overview
245
-
DIO channels
252
-
Digital Input Commands
253
-
Totalizer Commands
254
-
NEG” or “POS”
255
-
Digital Output Commands
256
-
DAC Output Commands
256
-
Switch Control Commands
257
-
State Storage Commands
259
-
System-Related Commands
262
-
DMM is installed
265
-
FACTORY RESET from the
265
-
PRESET from the front-panel
265
-
ERROR annunciator
266
-
SCPI version. Returns a
266
-
RS-232 operation. All keys on
267
-
RS-232 operation. All keys
267
-
RS-232 operation
267
-
RS-232 interface and
267
-
RS-232 Configuration Overview
268
-
RS-232 Flow Control Modes
269
-
RS-232 Data Frame Format
270
-
RS-232 Troubleshooting
271
-
Modem Communications
272
-
The SCPI Status System
273
-
HP 34970A Status System
274
-
Not Used
275
-
IEEE-488 SRQ interrupt
277
-
SRQ interrupt by sending
277
-
The Alarm Register
282
-
SCAN annunciator is on)
283
-
Status System Commands
284
-
289
-
Calibration Commands
290
-
CAL: 06-01-98”
291
-
1.00000000E+01”
291
-
Service-Related Commands
292
-
PRESET from the
293
-
[(@<ch_list>)]
294
-
Command Separators
296
-
Querying Parameter Settings
297
-
SCPI Command Terminators
297
-
IEEE-488.2 Common Commands
297
-
SCPI Parameter Types
298
-
Using Device Clear
300
-
Error
301
-
Messages
301
-
Error Messages
302
-
Execution Errors
303
-
ASCII characters
304
-
INTERRUPTED
306
-
UNTERMINATED
306
-
DEADLOCKED
306
-
Instrument Errors
307
-
Ω (“2252”), 5 kΩ (“5000”)
308
-
DMM has been changed since
309
-
DMM. For more information
309
-
Self-Test Errors
312
-
Calibration Errors
313
-
Plug-In Module Errors
315
-
Application
316
-
Programs
316
-
Application Programs
317
-
SCPI commands
318
-
VISA User’s Guide
325
-
Tutorial
329
-
Cable Specifications
331
-
Single-Point Ground
333
-
Separate Grounds
333
-
Parallel Grounds
333
-
Shielded twisted pair
334
-
Double-shielded coaxial cable
334
-
DMM on the
335
-
RF sources
335
-
RFI radiated from the
335
-
DMM will measure the
338
-
LO terminal
338
-
Measurement Fundamentals
339
-
Temperature Measurements
341
-
DMM’s copper
343
-
LO input
343
-
DMM’s input terminals
344
-
Thermocouple Types
347
-
Chapter 8 Tutorial
347
-
WITHOUT SHIELD
349
-
WITH SHIELD
349
-
DC Voltage Measurements
350
-
DMM is completely
351
-
LO terminal and earth
351
-
LO terminal of the internal
352
-
DMM to 1 PLC
352
-
DUT) is an
353
-
DMM’s dc input resistance to
353
-
DMM have slight
354
-
AC Voltage Measurements
355
-
DMM is true RMS, its sinewave
358
-
RMS value of a waveform
358
-
x 3.14159 x 1000000
359
-
√
360
-
V
361
-
Current Measurements
363
-
DMM as shown below
364
-
DMM’s series inductance and
364
-
Resistance Measurements
365
-
RTD temperature transducers
366
-
DMM’s test
367
-
Ω resistance in humid
368
-
Strain Gage Measurements
369
-
GF = (∆R / R) / ε
370
-
DMM Sensitivity
371
-
DMM’s ac voltage
372
-
DMM input channel is
374
-
DMM, you could configure a
374
-
Four-Wire Multiplexers
376
-
Ω when all of the actuator
380
-
Ω to 50Ω are
380
-
Using Varistors
382
-
Matrix Switching
384
-
RF Signal Multiplexing
386
-
Direct to Module
387
-
Using provided adapter cables
387
-
Multifunction Module
388
-
Using an External Pull-Up
390
-
Driving External Switches
390
-
Totalizer Errors
392
-
DAC Errors
394
-
Continuous
395
-
Relay Life
396
-
Relay Load
396
-
Switching Frequency
397
-
Replacement Strategy
397
-
Specifications
398
-
Without Scaling, add 1
399
-
Chapter 9 Specifications
400
-
AC Accuracy Specifications
401
-
System Speeds
403
-
System Characteristics
403
-
Module Specifications
404
-
HP 34905A, 34906A
405
-
Software Specifications
407
-
≤ 150 µV
409
-
≤ 1.5 µV
409
-
Measurement Error
410
-
DMM on the 10 Vdc range
410
-
Sensitivity
411
-
Resolution
412
-
Accuracy
412
-
24-Hour Accuracy
413
-
90-Day and 1-Year Accuracy
413
-
Temperature Coefficients
413
-
Ω (for the 100 mV, 1 V
414
-
IndexIndex
415
-
° ” character, 120
417
-
(“B”), 121
421
-
setting gain (“M”), 39, 121
421
-
(“B”), 39, 121
421
-
(Mx+B), 119
422
-
(Mx+B scaling), 39, 119
422
-
, 115, 371
422
-
On/Standby switch, 17
422
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