Agilent Technologies 34970A Handbücher

Bedienungsanleitungen und Benutzerhandbücher für Netzwerk-Switches Agilent Technologies 34970A.
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Inhaltsverzeichnis

Keysight 34970A

1

Data Acquisition/Switch Unit

1

7 , February 2015

4

The Front Panel at a Glance

6

Display Annunciators

8

The Rear Panel at a Glance

9

SMB connections

11

RF multiplexers, you can

11

34907A Multifunction Module

12

In This Book

13

Contents

14

Specifications

19

Chapter 1 Specifications

20

AC Accuracy Specifications

22

Module Specifications

25

34905A, 34906A

27

Direct to Module

27

Using provided adapter cables

27

Software Specifications

28

DMM. This section

30

DMM’s specifications

30

DMM outside the 23 °C ± 5 °C

30

Measurement Error

31

DMM on the 10 Vdc range

31

Sensitivity

32

Resolution

33

Accuracy

33

24-Hour Accuracy

34

90-Day and 1-Year Accuracy

34

Temperature Coefficients

34

Ω (for the 100 mV, 1 V

35

Quick Start

37

Standby only

39

4 Replace the module cover

40

To Set the Time and Date

42

To Monitor a Single Channel

44

To Close a Channel

45

To Adjust the Carrying Handle

48

To Rack Mount the Instrument

49

Front-Panel

51

Overview

51

Front-Panel Overview

52

Front-Panel Menu Reference

53

for the displayed channel

53

To Unsecure for Calibration

55

To Secure Against Calibration

55

To Change the Security Code

56

Error Messages

56

To Perform a Zero Adjustment

57

RPM, PSI, etc.)

58

VDC, OHM, etc.)

58

To Read the Relay Cycle Count

59

To Read a Digital Input Port

60

USE BINARY or USE DECIMAL

61

To Read the Totalizer Count

62

To Output a DC Voltage

63

Calibration Procedures

65

Calibration Interval

67

Time Required for Calibration

68

Recommended Test Equipment

69

Input Connections

70

Calibration Security

71

Exposed Mains

72

Do Not Touch!

72

Calibration Message

73

Calibration Count

73

Calibration Procedure

74

Test Considerations

75

Self-Test

77

Quick Performance Check

78

Verification

79

performance of the

79

[1] Select 6

80

digit resolution

80

of error must be added

80

Gain Verification

81

± 150 µV

82

± 160 µV

82

Internal DMM Adjustments

85

Gain Adjustment

86

(usually about 1 minute)

90

(Optional)

100

Module Reference

101

Relay Verification

104

ROW1 as shown below

106

Tests 9 - 16

108

(ROW2):

108

Tests 25 - 32

110

(ROW4):

110

114

Continued on next page

116

34907A Analog Output

120

Theory of Operation

123

System Block Diagram

125

Floating Logic

126

Earth-Referenced Logic

130

Power Supplies

131

Front Panel

133

Backplane

134

Internal DMM

135

Input HI terminal to

136

Input Amplifier

137

Input HI–LO) are

138

Ohms Current Source

139

AC Circuit

140

A-to-D Converter

142

Switch Modules

144

Relay Drivers

146

34905A/34906A

154

Analog Output

160

≥ 2.4 Vdc)

162

Operating Checklist

165

Types of Service Available

166

Keysight

167

Surface Mount Repair

168

Troubleshooting Hints

169

Unit Reports Error 705

170

Isolating to an Assembly

170

Unit Fails Self-Test

170

Self-Test Procedures

173

Self-Tests

174

A1U205 and A1U305

177

Battery Check and Replacement

178

To Verify the Battery

179

To Replace the Battery

179

Disassembly

180

General Disassembly

181

Internal DMM Disassembly

182

Front-Panel Disassembly

183

Chapter 6 Service

184

Plug-In Module Disassembly

185

Replaceable Parts

187

34970A Mainframe

189

Chapter 7 Replaceable Parts

190

34901A 20-Channel Multiplexer

202

34902A 16-Channel Multiplexer

206

34903A 20-Channel Actuator

208

34904A 4x8 Matrix

210

34905A/34906A RF Multiplexer

213

34907A Multifunction Module

215

34908A 40-Channel Multiplexer

219

Manufacturer’s List

222

Schematics

225

34970-66501 (sheet 1 of 2)

228

A1 Component Locator (top)

228

34970-66501 (sheet 2 of 2)

229

A1 Component Locator (bottom)

229

34970-66501 (sheet 1 of 4)

230

A1 Power Supply Schematic

230

34970-66501 (sheet 2 of 4)

231

A1 Floating Logic Schematic

231

34970-66501 (sheet 3 of 4)

232

34970-66501 (sheet 4 of 4)

233

A1 Memory Schematic

233

34970-66502 (sheet 1 of 1)

234

34970-66503 (sheet 1 of 1)

236

A3 Backplane Schematic

237

34970-66504 (sheet 1 of 2)

238

34970-66504 (sheet 2 of 2)

239

34970-66504 (sheet 1 of 4)

240

34970-66504 (sheet 2 of 4)

241

34970-66504 (sheet 3 of 4)

242

A4 AC Schematic

242

34970-66504 (sheet 4 of 4)

243

A4 A/D Converter Schematic

243

34901-66501 (sheet 1 of 1)

244

34901-66501 (sheet 1 of 5)

245

34901-66501 (sheet 2 of 5)

246

34901-66501 (sheet 3 of 5)

247

34901-66501 (sheet 4 of 5)

248

34901-66501 (sheet 5 of 5)

249

34902-66501 (sheet 1 of 1)

250

34902-66501 (sheet 1 of 4)

251

34902-66501 (sheet 2 of 4)

252

34902-66501 (sheet 3 of 4)

253

34902-66501 (sheet 4 of 4)

254

34903-66501 (sheet 1 of 1)

255

34903-66501 (sheet 1 of 3)

256

34903-66501 (sheet 2 of 3)

257

34903-66501 (sheet 3 of 3)

258

34904-66501 (sheet 1 of 1)

259

34904-66501 (sheet 1 of 3)

260

34904A 4x8 Matrix Schematic

260

34904-66501 (sheet 2 of 3)

261

34904-66501 (sheet 3 of 3)

262

34907-66501 (sheet 1 of 1)

266

34907-66501 (sheet 1 of 5)

267

34907-66501 (sheet 2 of 5)

268

34907-66501 (sheet 3 of 5)

269

34907-66501 (sheet 4 of 5)

270

34907-66501 (sheet 5 of 5)

271

34908-66501 (sheet 1 of 1)

272

34908-66501 (sheet 1 of 3)

273

34908-66501 (sheet 2 of 3)

274

34908-66501 (sheet 3 of 3)

275

Factory Reset State

277

*34970-90012*

278





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