HP 34970A manuals

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

+,$/$5021/<

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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HP 34970A manuals

Hp 34970A User Manual (429 pages)

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