Agilent-technologies Multiple Channel Controller 85330A Manuel d'utilisateur Page 140
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85330A Multiple Channel Controller 9-11
Service
Troubleshooting
Troubleshooting the
Switch Control Unit
Run the test “Verifying the Switch Control Unit” on page 2-12.
NOTE Check to make sure that the serial number prefixes of the Switch Control
Unit and RF switch match. They are produced at the factory this way. It is
acceptable to use switches and SCUs with different serial numbers. But if
there is a problem, it may be because a newer switch is used with an older
SCU, or an older switch is used with a newer SCU.
Troubleshooting the
RF Switch
Run the test “Verifying the RF Switches” on page 2-13.
Troubleshooting the
Cables
The cables will be checked during “Verifying the Switch Control Unit” and
“Verifying the RF Switches” tests in Chapter 2, “Performance Verification.”
If a cable is suspected, use a voltmeter to check continuity between the
connectors on each end of the cable. See Table 9-4 on page 9-12 for the
wiring information for each set of cables.
Table 9-3 SWITCH PORT 1/2 Connector Pinout
D-Type
Connector Pins
Function
D-Type
Connector Pins
Function
1 Bit 6 HI 14 Bit 2 HI
2 Bit 6 LO 15 Bit 2 LO
3 Bit 7 HI 16 Bit 3 HI
4 Bit 7 LO 17 Bit 3 LO
5
+ 12 Vdc 18 Bit 4 HI
6
+ 12 Vdc 19 Bit 4 LO
7 GND 20 Bit 5 HI
8 GND 21 Bit 5 LO
9 GND 22
+ 12 Vdc
0 Bit 0 HI 23
− 12 Vdc
11 Bit 0 LO 24 GND
12 Bit 1 HI 25 GND
13 Bit 1 LO
- Agilent Technologies 85330A 1
- Multiple Channel Controller 1
- Restricted Rights Legend 2
- Warranty 4
- Service and Support 5
- Instrument Markings 6
- Safety Earth 7
- Manufacturers Declaration 9
- DECLARATION OF CONFORMITY 10
- Typeface Conventions 11
- Contents 13
- 1 Installation 19
- Choosing the Proper 20
- Installation 21
- Controller 24
- Procedure 25
- Triggers 26
- • SCU address is set to 0 28
- 2 Performance Verification 31
- Recommended 32
- Equipment 32
- Performance Verification Test 33
- Setting Up the Equipment 33
- Measurement Display 35
- Performance Verification 36
- Pulse Receive and 38
- Cycle Test 38
- Counter Pulse Delay 39
- 12. Remove the BNC cables 40
- Measurement Busy 41
- Signal and Pulse 41
- Width Test 41
- Verifying the RF Switches 43
- • Jumper (see below) 45
- • Soldering iron 45
- • 2 jumper wires 45
- AUX 1 and AUX 2 47
- Output Voltage Test 48
- When Finished with 48
- All Tests 48
- 3 Operator’s Check 49
- Operator’s Check 50
- 4 General Information 51
- Measurement Speed Advantages 52
- Triggering 52
- • Perform service functions 53
- Switch control units 54
- The Downloadable 55
- • Option 001: 1 meter 56
- • Option 002: 2 meters 56
- • Option 005: 5 meters 56
- • Option 010: 10 meters 56
- • A switch control unit (SCU) 57
- General Information 58
- Characteristics 59
- Ventilation 60
- Requirements 60
- Dimensions 60
- Need More 61
- Information 61
- Rear Panel Features 62
- SWITCH PORT 1 and 2 64
- AUX POWER IN 64
- 85330A Compatibility 65
- 5 Manual Operation 67
- To Use the Front Panel 68
- Softkey Map 69
- Changing the GPIB 70
- (to select a channel) 71
- Manual Operation 72
- To Perform Service Functions 73
- 6 Programming 75
- Definition of Terms 76
- • CW Measurement Configuration 77
- • 8530A Control of Sources 77
- • Fast Source Control 77
- CW Measurement Configuration 78
- To Use this 79
- 85330A settings 80
- 8530A Control of Sources 81
- Fast Source Control 82
- To Use Direct Control 83
- In this example: 85
- To Use Run-Time Control Mode 86
- TTL Trigger and 87
- Ready Timeouts 87
- Select Switch State 88
- Event Trigger 89
- Receiver Ready 89
- Switch List Loop 89
- Frequency Loop 91
- Event Loop 91
- Programming 100
- Programming Examples 100
- 85330A Error Messages 108
- 7 Remote Programming Command 111
- Parameters 112
- Abbreviated Commands 112
- Common Commands 113
- Syntax *OPC? 114
- Syntax *RST 114
- Example OUTPUT 70918;”*RST” 114
- Standard Command Reference 115
- ROUTe:CLOSe 115
- ROUTe:CONTrol 116
- ROUTe:DELay 116
- Subsystem Command Syntax 117
- :INITiate 117
- :TIMEout 117
- RUNTime:CONTroller 118
- RUNTime:EVENt:COUNt 118
- RUNTime:EVENt:TRIGger 119
- RUNTime:INITiate:IMM 120
- RUNTime:SOURce:COUNt 120
- RUNTime:SWITch:DELay 122
- RUNTime:SWITch:SCAN 123
- RUNTime:SWITch:TRIGger 124
- RUNTime:TIMEout:EVENt 125
- RUNTime:TIMEout:RECeiver 125
- RUNTime:TIMEout:REMote 126
- RUNTime:TIMEout:SOURce 126
- SYSTem:ERRor? 127
- 8 In Case of Difficulty 129
- In Case of Difficulty 130
- 9 Service 131
- Theory of Operation 132
- GPIB 133
- Recommended Test Equipment 137
- Troubleshooting 139
- 85383A Local Control Cable 141
- 85383B Expansion Cable 141
- 85384A Switch Driver Cable 141
- 85385A Remote Trigger Cable 141
- Table 9-5 85385A Wiring 142
- Replaceable Parts 143
- Mainframe, Plug-in 145
- Switch Control Unit 146
- RF Switch 146
- Interconnect Cables 147
- Assembly and Disassembly 148
- E1330 Card 149
- Configuration 149
- 85330-60002 Card 149
- Disassembly 150
- Assembly 150
- Adjustments 151
- Selecting the Multiple 152
- Channel Controller’s 152
- GPIB Address 152
- Switching from the 153
- Internal to External 153
- Power Supply 153
- Preventive Maintenance 154
- 10 Accessory Documentation 156
- Accessory Documentation 157
- A Glossary 158
- • Attaching cables 159
- Glossary 160
- Standard System 162
- Switch Address 162
- Switch Module 162
- Numerics 164
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