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Agilent 3499A/B/C Service Manual

1. E WIRING TERMINAL e BLOCK TEST FIXTURE TP3 TP1 TP2 Figure 4 6 Agilent 44477A Test Fixture To Verify the NO Contacts 1 Connect a Multimeter between TP1 C amp TP2 NO reset the Agilent 44477A The Multimeter should show an open circuit 2 Close Channel 00 and check the Multimeter for an indication of closure This reading will be the closed channel resistance of the NO contact and should be less than 19 3 Open Channel 00 and close Channel 01 check for an open circuit when Channel 00 is opened and an indication of closure when Channel 01 is closed 4 Repeat Steps 2 amp 3 to check the remaining Channels 02 06 To Verify the NC Contacts 5 Connect the Multimeter between TP1 C amp TP3 NC reset the Agilent 44477A The Multimeter should show an open circuit 6 Repeat Steps 2 through 4 to verify the NC contacts the NO in Steps 2 4 should be replaced with respectively Correction If during Steps 1 amp 5 one or more relays does not function properly a problem exists either in the Controller board or in the Agilent 44477A use a functional Agilent 444774 and perform the same tests to isolate the problem If during Steps 3 amp 6 the Agilent 444774 is functioning but the contact resistance is more than 1Q the Agilent 444774 is defective Replace the Agilent 44477A with a new one in this case Verific
2. 4 Multiplexer MUX rennen enne enne nns 4 GP Relay Modules eh a ee egal 8 Matrix Modules zen n e te eh ertt T ad herde 11 Digital VO Modules si cscs age Laval se RN a 12 Agilent N2269A Multifunction Module esee 13 Agilent 44472A VHF Switch Module eene 14 Agilent 44475A Breadboard Module eene 15 Agilent 44476A Microwave Switch Module serene 15 Agilent N2276A B Microwave Switch Module eee 16 Agilent 44477A Form C Relay Module eene 17 Agilent 44478A B 1 3GHz MUX Modules eee 18 Agilent N2280A N2281A Optical Switch Modules es 19 Agilent N2282A Optical Switch Module eee 20 Chapter 2 Getting Started ER 21 About his Chaptet eee edet pe ape D Fee ERU ete eu 21 To Prepare the Instrument for USe rsrrnrnnnrnnnrnenvarnvnenvnnnenrnrarsneserasevsenvessnvennennessnsser 21 Check the List of Supplied Items 21 Initial Inspection cena ertet te ree dee ete dad 21 Power on the Instrument eenronvrronnnnvnnnnnnvrnrvrnnrnrsenensnennnnnennnenensvassvsssnvennvesnvesnseee 22 If the Instrument Does Not Turn 22 Module Installation 5 iei en 22 Module Installation d ere
3. Figure 2 3 Rack Mount a Single Agilent 3499B with Adapter Kit 5183 7172 Or you can order a Support Shelf 5063 9255 a slide kit 1494 0015 and a filler panel 5002 3999 Figure 2 4 Figure 2 4 Rack Mount a Single Agilent 3499B on a Support Shelf Getting Started 29 To rack mount two Agilent 3499B s side by side or any System II instrument next to an Agilent 3499B order a Support Shelf 5063 9255 and a slide kit 1494 0015 Figure 2 5 Figure 2 5 Rack Mount Two Agilent 3499B s Side by Side To Mount an rack mount an Agilent 3499C order either an adapter kit 5063 9216 Agil ent 3499C without handles see Figure below or 5063 9223 with handles Adapter Kit Figure 2 6 Rack Mount an Agilent 3499C Filler Panels order filler panels to cover any unused slots in an Agilent 3499A B C 1 slot filler panel part number 03499 00023 option FP1 2 slot filler panel part number 03499 00024 option FP2 30 Getting Started Chapter 3 Front Panel Operation About This Chapter This chapter introduces you to each front panel menu it covers all aspects of front panel operation Chapter contents include Front Panel Overview 00 cee eee eee eee Page 32 Local Remote Control Page 34 To Monitor a Channel ora 10
4. If during the display test a segment or segments malfunctioned a problem exists on the Controller board or the Display assembly Refer to Agilent 3499A B C Problem Isolation on Page 80 for problem isolation information If the front panel test failed a problem exists on the front panel circuitry if any of the other internal tests failed the Controller board is malfunctioned To replace or repair the front panel circuitry and or the Controller board the mainframe must be disassembled Refer to Replaceable Parts on Page 85 for Agilent 3499A B C mainframes disassembly information Mainframe Verification Tests GPIB Test RS 232 Test The mainframe self test does not assess the operability of the driver circuitry and the connectivity more operation verification tests are required These include the GPIB test the RS 232 test and the keyboard test To test the GPIB on an Agilent 3499A B C mainframe 1 Make sure the GPIB interface card and the Agilent I O Library is installed in your PC and the Agilent 3499A B C interface is set to GPIB 2 Make sure one or more plug in modules are installed i e Agilent N2260A etc 3 Make sure the GPIB address is correct and the GPIB cable is operational 4 Connect the GPIB interface from your PC to an Agilent 3499A B C 5 Set the Agilent 3499A B C to SCPI mode Send a SCPI command DIAG DISP GPIB test from you PC If GPIB TEST is displayed on the
5. 96 pin male DIN connector on the plug in module 000000000000000000000000000000 000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 3231 302928 27 262524 232221 20191817 1615 1413121110 9876 543 2 1 oll A OB 000000000000000000000000000000 CONNECTOR 1 CONNECTOR 2 96 pin female DIN connector on the DIN to D cable 3231 302928 27 262524 232221 20191817 1615 1413121110 9876 543 2 1 CONNECTOR 4 CONNECTOR 3 B A Allo llo C lho CONNECTOR 1 vs 96 PIN DIN SUB D DIN 1 A1 2 B1 3 C1 4 A3 5 B3 6 7 A5 8 B5 9 C5 10 A7 11 7 12 7 13 14 A2 15 B2 16 C2 17 A4 18 B4 19 C4 20 A6 21 B6 22 C6 23 A8 24 B8 25 C8 CONNECTOR 2 CONNECTOR 3 CONNECTOR 4 vs 96 PIN DIN vs 96 PIN DIN vs 96 PIN DIN SUB D DIN SUB D DIN SUB D DIN 1 A9 1 A17 1 A25 2 B9 2 B17 2 B25 3 C9 3 C17 3 C25 4 11 4 19 4 27 5 B11 5 B19 5 B27 6 c11 6 C19 6 C27 7 A13 7 A21 7 A29 8 B13 8 B21 8 B29 9 C13 9 C21 9 C29 10 A15 10 A23 10 A31 11 B15 11 B23 11 B31 12 C15 12 C23 12 C31 13 13 13 14 A10 14 A18 14 A26 15 B10 15 B18 15 B26 16 C10 16 C18 16 C26 17 A12 17 A20 17 A28 18 B12 18 B20 18 B28 19 C12 19 C20 19 C28 20 A14 20 A22 20 A30 21 B14 21 B22 21 B30 22 C14 22 C22 22 C30 23 A16 23 A24 23 A32 24 B16 24 B24 24 B32 25 C16 25 C24 25 C3
6. lt ZEN i E EE CONNECTION d M RE kJ BE De E ER ra 000 i eesel loool I SUB D DIN _ vleee ooo s 2 ig ci o XD olleee 1 O 2 C3 1 8 i n 3 C5 NE 2 olleee ooolle oi G7 Jooolle eese i Z ase 3 2 ve z eoe o i r a 7 C18 i See ooo 2 Goo e 2 c 9 C25 s mee s Se 8 ee 10 C27 c rz eae e ot C29 8 eee lees F e 12 31 1 o rl eee ooo et i 19 1 2 e E S lose loool 8 e 8 Sleee i amp gt eg Z alleee e a es O Allo oo v 14 48 2 2 2 Wleee i 19 cis S alleee i oool lld E E aeoo 2 20 C19 Slleee amp 2 res i i 23 C28 Fo gll e oe i ooollg 54 630 9 t 000 25 C32 i i alleo oo ooo 5 Jf 0 0 0 00 0 vvv Pre es 1 90019 Note A indicates the pin is not used lt i Figure 6 28 Agilent N2298A Cable 120 Plug in Modules Wiring Information Agilent N2299A Figure 6 29 on Page 121 shows an Agilent N2299A The wire gauge is 24 AWG which meets UL AWM 2464 the maximum voltage is 200 volts per wire The connection between the 96 pin female DIN connector and the four 25 pin sub D male connectors is also listed N2299A DIN96 TO QUAD D25 CABLE
7. cC NR ajlo o o i lt e i s eee ooo c CONNECTOR 1 vs 96 PIN DIN eee 5 e eee 3 5 ede PIN 1 16 A1 A16 c eee i e e 17 _ a z e e ol leee i ooo 9 ete 18 33 B1 B16 oje oo ooo 2 e e 34 x sg eee a ese 35 50 C1 C16 z e e o i c e e PPE ee oe BEET MAS 2Slleee i 2 2leee gt ae la 34 ooo 2 8 18 z o eo i oool E leee 000 8 33 Sleee ooo 5 z f alleee i a Sleee wit 50 amp i xleee looo s ese CONNECTION ooo 8 LIS JEN mm Sleee ooo s amp e i amp leee oooi amp HH i CONNECTOR 2 vs 96 PIN DIN amp i ooo amp e a e e 182803 ese 1 16 A17 A32 sllese 5 9 e9 e 17 sg S Leee i s gt 18 33 B17 B32 5 e e 34 om mo eee 35 50 C17 C32 69 oed Figure 6 27 Agilent N2297A Cable Plug in Modules Wiring Information 119 Agilent N2298A Figure 6 28 shows an Agilent N2298A The wire gauge is 24 AWG which meets UL AWM 2464 the maximum voltage is 200 volts per wire The connection between the 96 pin female DIN connector and the 25 pin sub D male connector is also listed
8. 102 Replaceable Parts Mechanical Kits 8 Figure 6 13 shows the replaceable mechanical parts Kits 8 as listed in Table 6 9 N2268A SCWI SHDI PNL1 Figure 6 13 Mechanical Kits 8 Table 6 9 Mechanical Kits 8 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2268 00003 1 SCREW M3 0 FLAT SHEET METAL 0515 1946 ue 2 SCRFHM2 5X20PZLK SHEET METAL 0515 0843 SHD1 1 TOP SHIELD N2268 00002 SHD2 1 BOTTOM SHIELD N2268 00001 Replaceable Parts 103 Mechanical Kits 9 Figure 6 14 shows the replaceable mechanical parts Kits 9 as listed in Table 6 10 N2270A SCWI SHDI SHD2 Figure 6 14 Mechanical Kits 9 Table 6 10 Mechanical Kits 9 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2270 00002 SCW1 8 SCREW M3 0 FLAT AROUND 0515 1946 SHD1 1 TOP SHIELD N2280 00004 SHD2 1 BOTTOM SHIELD N2270 00001 104 Replaceable Parts Mechanical Kits 10 Figure 6 15 shows the replaceable mechanical parts Kits 10 as listed in Table 6 11 N2272A HDI SHD PNLI Figure 6 15 Mechanical Kits 10 Table 6 11 Mechanical Kits 10 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2272 40001 SHD1 1 TOP SHIELD N2272 00004 SHD2 1 SHIELD COMP N2272 00003 Replaceable Parts 105 Mechanical Kits 11
9. Page 34 To Close or Open 1 Page 36 To Read from a Digital I O Page 36 To Write to a Digital I O Page 36 To Store an Instrument Page 37 To Recall an Instrument 5 Page 38 View Key Page 38 Mode Key Page 40 Scanning Page 43 Menu Key Page 48 To Reseta Module 57 To Reset the Instrument Page 57 The following conventions are used for the front panel operation a The keys on the front panel keyboard are expressed in bold font and normally associated with a press For example press Mon The front panel display annunciators are expressed in bold font followed by an annunciator For example MON annunciator a The information shown on the front panel display is enclosed within a pair of quotation marks Shift Recall indicates the sequential operation first press Shift then press Recall Note If no key is pressed within 5 seconds or an invalid key is pressed after the key Shift has been pressed the SHIFT annunciator will turn off Note During
10. short circuit between the shorted common lines COM With the test fixture installed and a Multimeter i e an Agilent 34401A connected between the shorted common lines COM and either the shorted low lines TP1 or the shorted high lines TP2 the MUX module is tested by successively closing each relay while checking for an indication of the closure on the Multimeter Tests Procedure To perform the Operation Verification Tests Remove the wiring terminal block from the MUX module Install the related test fixture onto the MUX module Set the Multimeter to measure resistance Zero the Multimeter Press Mon and specify the slot occupied by the MUX module Press S LIST and specify all channels on the MUX to be scanned Connect the Multimeter between COM amp TP1 or COM amp TP2 on the test fixture Figure 4 1 on Page 63 7 Press Card Reset to reset the MUX module the Multimeter should indicate that all relays are open very high resistance or overload indication OU har ma Note Ifthe Multimeter is indicating a very low resistance one or more of the relays is remaining closed You need to do more tests to isolate the clumsy damaged relay s 8 Successively press Step while observing the displays on the Agilent Verification Tests 63 3499A B C and the Multimeter The Agilent 3499 A B C s display should show a number corresponding to the closed relay The clumsy damaged relay s can be isol
11. 00 H255 L254 For a multifunction module the first function on the module is displayed then the next This display is an example of a multifunction module with matrix and DIO functions Note Note The built in digital I O can be monitored either as individual bit channels 091 094 or as a 4 bit port 090 For MUX modules and GP Relay modules 10 channels can be displayed at one time for matrix modules one ROW or one Column can be displayed at one time for digital I O modules two 8 bit ports can be displayed at one time For multifunction modules the first function on the module is displayed then the next Front Panel Operation 35 To Close or Open a Channel To close open a channel you need to 1 Select the channel to be closed or opened 2 Press Close Open to close open the channel Repeat steps 1 amp 2 to close or open other channels To Read from a Digital I O Port To read data from the built in digital I O port bits 090 094 or any one of the 8 bit ports on a digital I O you need to 1 Select a digital I O port 2 Press Read to read data from the selected port For example the display below shows the data read from Port 401 DIN 255 401 Decimal format DIN 11111111 401 Binary format Note Data display format of individual 8 bit ports can be specified either in binary or decimal Once specified the format applies to all input an
12. Agilent N2260A To configure an Agilent N2260A MUX module Configuration 1 Select a slot in which an Agilent N2260A module is installed N2260A 2 Press Mode the CONFIG annunciator lights up and CONFIG MUX is displayed CONFIG MUX Front Panel Operation 41 DIO Module Configuration 42 Front Panel Operation 3 Press Enter turn the knob to select one mode i e WIRE1 WIREI 1 4 Press Enter to return to CONFIG MUX press Mode again to exit the configuration the CONFIG annunciator turns off accordingly A digital I O module can be configured which include the flow control mode the control line polarity the flag line polarity and the I O direction line polarity To configure a digital I O module 1 Select a slot in which a digital I O is installed N2263A 4 2 Press Mode the CONFIG annunciator lights up and CONFIG DIO is displayed then press Enter CONFIG DIO 4 3 Turn the knob to select the flow control mode i e MODE 2 then press Enter MODE 2 4 4 Turn the knob to select the control line polarity i e CONT POL POS then press Enter CONT POL POS 4 5 Turn the knob to select the flag line polarity i e FLAG POL POS then press Enter FLAG POL POS 4 6 Turn the knob to select the I O line polarity i e I O POL POS then press Enter P
13. Module ITEMS SPECIFICATIONS Minimum Typical Maximum Channel Count 1 to 8 Switch Type Latching Return Loss SM 62 dB 57 dB Insertion Loss SM 0 5 dB 0 7 dB Insertion Loss Stability 0 02 dB 0 025 dB Polarization Dependent Loss 0 02 dB 0 04 dB PDL Insertion Repeatability Sequential Switching 0 005 dB 0 01 dB Random Switching 0 01 dB 0 05 dB Crosstalk 90 dB 80 dB Input Power Optical 300 mW Continuous Switching Time 250 ms Wavelength SM 1270nm 1670nm Relay Life 10M cycles Operating Temperature 0 C 55 C Humidity non condensing lt 80 RH 0 C 55 C Excluding connector Excluding Connectors 0 2dB typical connector insertion loss Measured after one hour s warm up Measured after temperature has been stablized for one hour Specifications 19 20 Specifications Chapter 2 Getting Started About This Chapter This chapter describes the procedure to install the plug in modules into a mainframe and mount the mainframe onto a system rack followed by the basic front panel operations of an Agilent 3499A B C Switch Control System The chapter contents include To Prepare the Instrument for Use Page 21 Module Installation llle Page 22 Operating the Instrument Page 24 To Rack Mount the Agilent 3499A B C Page 28 To Prepare the Instrument for Use Check the List of Supplied Items Initial
14. and then returns to the first level 1 In 3488A mode only the sum of the values of the possible error conditions as defined in Table 6 20 on Page 128 is recorded in the error queue and shown on the front panel 38 Front Panel Operation Note To View a Scan List of the View menu automatically NO ERROR 108 If there are errors the ERROR annunciator is on the first error in the error queue is displayed Press the arrow key to scroll the display to show the whole error message O1 ERR 109 MISSING PARAMETER Turn the knob to view other errors in the error queue or press Enter to return to the first level of the View menu the ERROR annunciator turns off Press View again to exit the View menu operation the VIEW annunciator turns off All errors are cleared once the error queue is viewed and the ERROR annunciator turns off Refer to Appendix B starting from Page 122 for details about the instrument errors To view the channels included in a scan list assuming channels 103 107 are included in the scan list 1 Press View VIEW annunciator lights up Turn the knob until SCAN LIST is displayed then press Enter SCAN LIST 101 The first channel in the scan list is displayed on the channel area Continuously turn the knob to view other channels in the scan list 001 OF 005 103 Press Enter to return to the first level of the View menu S
15. 1 mA V Low lt 0 8V 100 mA Maximum V 42V with external pull up System Speed Scan Speed Parser Time Switching Speed Digital I O Block Transfer Rate 350 chans sec N2266A Open 100 3 ms Close 100 3 ms Open 100 139 4 ms Channels Time ms Open Close 1 7 1 N2266A Open Close 10 22 0 N2266A in the same group Open Close 40 28 9 N2266A 20K bytes sec long word a Maximum time from activation of external trigger pulse to start of switch open or close b Just for reference The system speed specification may vary in a small range due to the speed of the remote PC the GPIB module the version of VISA and the version of 3499A B C s firmware used c Measured from the time at which the command terminator is taken from the bus to the time at which the relay begins to open or close 2 Specifications Plug in Modules Specifications Multiplexer MUX The MUX modules available with Agilent 3499A B C include Agilent Modules N2260A 44470A D N2266A N2268A and N2270A Specifications of these MUX modules are listed in the following tables ITEMS SPECIFICATIONS Agilent N2260A Agilent 44470A Agilent 44470D INPUT CHARACTERISTICS Total Channels Terminal Terminal or Terminal Chassis Maximum Voltage Maximum Current Per Channel Per Module Maximum Power Per Channel Per Module Maximum Overvoltage Transients Thermal O
16. 500 501 502 503 537 538 539 Same as in SCPI mode Agilent N2262A 4X8 Matrix Module Row 0 1 2 3 Column 0 1 2 3 6 7 500 501 502 S07 S10 11 512 S17 S20 S21 522 527 530 31 532 s37 Same as in SCPI mode Agilent N2263A 32 Bit Digital I O Module Individual Bits 500 501 502 s30 531 8 Bit Ports 500 501 502 503 16 Bit Ports 500 502 32 Bit Port 500 Individual Bits 500 501 502 530 531 8 Bit Ports 500 501 502 503 16 Bit Ports 504 505 32 Bit Port 506 Agilent N2264A 12 Channel GP Relay 3 Channel High current GP Relay 16 Bit Digital I O Module 12 GP Relays 500 501 502 510 S11 3 High current GP Relays 520 521 522 16 Bit Digital I O Individual Bits 530 531 532 544 845 8 Bit Ports 530 531 16 Bit Port 530 12 GP Relays 500 501 502 510 s11 3 High current GP Relays 520 521 522 16 Bit Digital I O Individual Bits 530 531 532 s44 545 8 Bit Ports 530 531 16 Bit Port 532 Agilent N2265A 4X4 Matrix 16 Bit Digital I O Module 4X4 Matrix Row 0 1 2 3 Column 0 1 2 3 500 501 502 503 510 511 512 513 520 521 522 523 530 531 532 533 16 Bit Digital I O Individual Bits 540 541 542 854 855 8 Bit Ports 540 s41 16 Bit Port 540 4X4 Matrix Same as in SCPI mode 16 Bit Digital I O Individual Bits 540 541 542 S54 855 8 Bit Ports
17. Page 143 Agilent 3499A B C Backplane Components Locator amp Schematics Page 146 Agilent N2260A Components Page 149 Agilent N2260A Schematics Page 150 Agilent N2290A Components Locator amp Schematics Page 154 Agilent N2261A Components Locator 0 eee eee Page 155 Agilent N2261A Schematics 0 0 eee ene eens Page 156 Agilent N2291A Components Locator amp Schematics Page 160 Agilent N2262A Components Page 161 Agilent N2262A Schematics ssa retenis aasin ae Ea eee ah S RS ee eee eens Page 162 Agilent N2292A Components Locator amp Schematics Page 165 Agilent N2263A Components Locator 2 0 0 0 0 eee eens Page 166 Agilent N2263A Schematics Page 167 Agilent N2293A Components Locator amp Schematics Page 174 Agilent N2264A Components Page 175 Agilent N2264A Schematics Page 176 Agilent N2294A Components Locator amp Schematics Page 182 Agilent N2265A Components Locator 1 0 0 0 0 eee eee Page 183 Agilent N2265A Schematics 0 cece eee eens Page 184 Agilent N2295
18. Safety 1 Page 79 Static Handing occa ee ene eae Page 79 Agilent 3499A B C Problem Isolation Page 80 Mainframe Problem Isolation Page 81 Safety Considerations WARNING Static Handing Only service trained personnel should attempt to repair the Agilent 3499A B C There are two places in the Agilent 3499A B C where dangerous voltages may exist The ac line voltage exists in the Agilent 3499A B C mainframe around the areas of the line input filter line power switch and the power supply assembly This potentially lethal voltage can only be contacted if the covers are removed The other potentially lethal voltage may exist at the plug in module wiring terminal block This voltage is generated externally to the Agilent 3499A B C Consult the system installer before attempting to remove the Agilent 3499A B C and its plug in modules from the system Only personnel with a knowledge of electronic circuitry and an awareness of the hazards involved could install reconfigure or make any repairs to the Agilent 3499A B C mainframe or its plug in modules Static electricity is a familiar phenomenon which except for an occasional shock doesn t seem very serious However it has been proven that in the electronics industry electrostatics discharge ESD is a major cause of component failure In many cases the component damaged may n
19. Maximum Voltage 42 V dc 30 V ac rms 42 V ac peak on Breadboard area 5 5 V on Digital Input port lines Maximum Power Dissipation per module 2 Watt Agilent 44476A Agilent 44476A is a microwave switch module the specifications of it are Microwave Switch listed in the table below Module ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Frequency Range DC to 18 GHz Characteristic Impedance 50 Q Input Power Rating 1 Watt average 100 Watts peak Also less than 7 V dc Average Switch Life 108 operations per channel Repeatability typical 0 03 dB after 109 switchings Maximum Scan Rate 43 Chans sec Connector SMA AC ISOLATION PERFORMANCE Isolation DC 18 GHz gt 90 dB Insertion Loss DC 2 GHz 0 25 dB DC 18 GHz 0 50 dB VSWR 3 mm SMA DC 2 GHz 1 15 DC 12 4 GHz 1 25 DC 18 0 GHz 1 40 a Using Agilent 44474A External Increment amp Channel Closed display off 14 Specifications Agilent N2276A B Agilent N2276A s specifications are listed in the table below Since the i i switching and attenuation characteristics of the N2276B are determined by Microwave Switch the switches and attenuators installed in it please refer to the switch s and or Module attenuator s data sheet for the specifications of your customized N2276B p y module ITEMS Total Channels Connector Type Frequency Range Insertion Loss Isolatio
20. SET CH then press Enter Turn the knob to select the channel to be set i e 103 then press Enter again and use the arrow keys and the knob to set its delay time between 0 and 99999 999 seconds Press Enter once more to set the delay time and return to SET CH item SET CH 107 SELECT CH 103 00000 005 SECS 103 SELECT CH 103 DELAY TIME 103 To set a delay time for other channel repeat the procedure above Press S List again to return to DELAY TIME Press S List once more to exit this operation the CONFIG annunciator turns off accordingly To Start a Scan start a scan Note Note 1 Press Scan the SCAN annunciator lights up 2 Then the instrument will continue scanning according to the configuration The arm source is used to control the onset of each scan sweep The trigger source is used to advance one channel in the scan list open the previous channel and close the next channel in the list the annunciator lights up When the scanning is finished the instrument returns to the idle state and the SCAN annunciator turns off To stop the scanning in progress press Shift Scan Once a scan list exists simply press Step repeatedly to step through the scan list In this case the SCAN and the annunciators turn off Card Pair is functional during a scan which means that both the channels included in the scan list and the paired channel
21. 0 25 VA or 24 dBm 500 75Q 5 x 106 operations 109 operations 43 Chans sec DC PERFORMANCE Thermal Offset per channel Initial Closed Channel Resistance Insulation Resistance any terminal to any terminal 409C 95 RH lt lt 25 C 40 RH lt 6 uV lt 2 Typical 10 1080 gt 1019 Q Typical AC ISOLATION PERFORMANCE Z Zs 500 or 750 P Insertion Loss lt 40 C 95 RH lt 25 C 40 RH Typical Crosstalk Channel Channel Channel Common with 1 channel closed Group Group Module Module VSWR Capacitance Rise Time Signal Delay lt 10 MHz lt 100 MHz lt 500 MHz lt 1 3 GHz lt 10 MHz lt 100 MHz lt 500 MHz lt 1 3 GHz lt 10 MHz lt 100 MHz lt 500 MHz lt 1 3 GHz lt 10 MHz lt 100 MHz lt 500 MHz lt 1 3 GHz lt 10 MHz lt 100 MHz lt 500 MHz lt 1 3 GHz Center Center Center Shield lt 0 3 dB lt 0 7 dB 1 5 dB 3 0 dB lt 0 2 dB 0 5 dB 1 1dB 1 9 dB ANAA a a 5 0 006 pF 60 pF 300 ps 3 ns channel matched to 50 ps a Using Agilent 44474A external increment amp channel closed display off b Z Zg 50 Q applies for Agilent 44478A and Z 25 75 applies for Agilent 44478B c CrossTalk specifications assume 50 Q termination for 44478A and 75 Q termination for 44478B If all channe
22. 0 559C lt 80 RH 0 C to 40 C non condensing a With chassis of all instruments connected and with Low Terminal of the input connected to Low Terminal of the output either directly or via the 3499A B C switching channels Specifications Matrix Modules The matrix modules include Agilent N2262A 4 x 8 2 wire matrix Agilent 44473A 4 x 4 2 wire matrix and the 4 x 4 2 wire matrix on an Agilent N2265A The specifications are listed in the table below ITEMS SPECIFICATIONS Agilent N2262A Agilent N2265A Agilent 44473A 4 x 4 Matrix INPUT CHARACTERISTICS Total Channels Terminal Terminal or Terminal Chassis Maximum Voltage Per Channel Maximum Current Per Module Per Channel Maximum Power Per Module Maximum Overvoltage Transients Thermal Offset Initial Closed Channel Resistance Relay Life Maximum Scan Rate 4x8 200 V dc or ac rms 1 A dc or ac rms 4 A dc or ac rms 60 W dc 62 5 VA ac 240 W dc 250 VA ac N A lt 3 differential 10 Mechanical 108 at 36000 operations hour Electrical 5 x 10 1A load 80 Chans sec 4x4 200 V dc or ac rms 1 A dc or ac rms 4 A dc or ac rms 60 W dc 62 5 VA ac 240 W dc 250 VA ac N A lt 3 uV differential 10 Mechanical 108 at 36000 operations hour Electrical 5 x 109 1A load 80 Chans sec 4x4 250 V dc or ac rms 2 A dc or ac rms 8A dc or ac rms 60 W dc 500
23. 2 4 V I lt 400 uA output gt 2 4 V I lt 400 uA output Vout low lt 0 5V I lt 1 mA input lt 05 1 lt 2 mA input lout low lt 25 mA when shorted to 5 V N A Input Characteristics Vin high 220 V gt 2 0V Vin low lt 0 8 V lt 0 8 V External Increment N A Advance Agilent 3499A to next programmed configuration on falling edge of TTL pulse 0 25 usec minimum width N A Indicates completion of new Channel Closed configuration TTL pulse 10 usec minimum width a Both the Agilent N2264A and N2265A are multifunction modules the specifications listed in this table are for the 16 bit digital I O function on the Agilent N2264A and N2265A b Both El and CC lines are used for external controlled scanning This item is for Agilent 44474A only C When the next channel closes the Agilent 44474A outputs a CC pulse to trigger the voltmeter This item is for Agilent 44474A only Specifications 11 Agilent N2269A The following table lists Agilent N2269A module s specifications Multifunction Module ITEMS SPECIFICATIONS DIGITAL I O LINES maximum Voltage line to chassis Maximum Sink Current per bit Maximum Block Transfer Rate 45 25 VDC 16 mA Up to 3 57 M by 16 bit s Output Characteristics Vout high gt 2 4 V lt 10 mA output Vout low lt 0 8 V lt 16 mA input Input Characteristics Vin high gt 2 0 V Vin low
24. Mechanical Kits 14 Table 6 15 Mechanical Kits 14 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2282 00002 SHD1 1 TOP SHIELD N2282 00001 SHD2 1 BOTTOM SHIELD N2282 00003 Replaceable Parts 109 Appendix A Plug in Modules Wiring Information BNC and SMA Connection The modules listed in Table 6 16 provide BNC or SMA connections to external devices Table 6 16 BNC amp SMA Connection Connection Type Quantity Module Description 10 Agilent 44472A Dual 4 Channel VHF Switch Module 10 Agilent 44478A 50Q 1 3 GHz MUX Module BNC Connector 10 Agilent 44478B 750 1 3 GHz MUX Module 10 Agilent N2272A 1GHz RF 1 to 9 MUX Module 9 Agilent 44476A 3 Channel 18 GHz Switch Module SMA Connector el Agilent 44476B 2 Channel Microwave Switch Module 10 Agilent N2268A 50 2 3 0GHz Dual 1 to 4 MUX Module 1 The number of SMA connectors depends on the specified microwave modules installed If the two modules are 5 port the number of SMA connectors is 10 and so on Screw Terminal Blocks A set of screw terminal blocks are available for wiring conveniences as listed in Table 6 17 Figure 6 20 through Figure 6 23 illuminate wiring for the three screw terminal block types Table 6 17 Screw Terminal Blocks Screw Terminal Block n Wiring Inf Agilent P N Application Agilent
25. Suffix too long A header suffix is the number that can be appended to the end of some command headers This error is generated if the header suffix contains more than 12 characters Suffix not allowed A suffix was received following a numeric parameter You may have misspelled the suffix Character data not allowed A discrete parameter was received but a character string or a numeric parameter was expected Check the list of parameters to verify that you have used a valid parameter type Examples ROUTE CLOSE CH101 or DIAG DISP TEXT123 the string must be enclosed in quotes Invalid string data An invalid character string was received Check to see if you have enclosed the character string in quotation marks and verify that the string contains valid ASCII characters Example DIAG DISP TESTING the ending quote is missing String data not allowed A character string was received but is not allowed for this command Check the list of parameters to verify that you have used a valid parameter type Invalid block data For a definite length block the number of types of data sent does not match the number of bytes that you specified in the block header Block data not allowed Data was sent to the instrument in SCPI definite length block format but this command does not accept this format Expression data not allowed A channel list was received but is not allowed for this command Example SYST CTYPE 100 Data out of range A nu
26. The instrument returns to INTERFACE press Menu again to exit this operation the CONFIG annunciator turns off 1 Press Menu the CONFIG annunciator lights up Turn the knob to select INTERFACE then press Enter INTERFACE 2 Turn the knob to select RS 232 then press Enter RS 232 3 Turn the knob to select the baud rate default 9600 then press Enter 9600 BAUD Front Panel Operation 53 4 Turn the knob to select the parity and data bits default NONE 8 BITS then press Enter NONE 8 BITS 5 Turn the knob to select the mode default FLOW NONE then press Enter to return to INTERFACE FLOW NONE 6 Press Menu again to exit this operation the CONFIG annunciator turns off accordingly To Perform The self test feature of the instrument can be used to verify proper Self test instrument operation To perform a self test 1 Press Menu the CONFIG annunciator lights up Turn the knob to select SELFTEST then press Enter SELFTEST 2 If all the tests have passed PASSED will be displayed Otherwise the reason of the failure will be displayed PASSED Note For more about the self test errors refer to Appendix B starting from Page 122 3 Press Enter to return to SELFTEST press Menu again to exit this operation the CONFIG annunciator turns off accordingly To Select a System The inst
27. gt 101 99 AC ISOLATION PERFORMANCE Capacitance with 1 channel closed Open Channel Channel Channel 10 pF Channel Chassis 25 pF Insertion Loss with 50Q termination 100 kHz 0 20 dB 1 MHz 0 25 dB 10 MHz 0 50 dB Crosstalk with 50Q termination 100 kHz 73 dB 1 MHz lt 53 dB 10 MHz lt 33 dB a Using Agilent 44474 external increment amp channel closed display off b With chassis of all instruments connected and with the Low of input lines connected to the Low of output lines either directly or via Agilent 3499A B C switched channels 16 Specifications Agilent 44478A B 1 3GHz MUX The specifications of the Agilent 44478A B are listed in the table below Specifications in the table describe the modules warranted performance over the temperature range 0 to 55 C Information marked by the Typical Modules designation is helpful in applying the modules but is non warranted information ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Total Channels dual 4 Maximum Voltage any center shield to any other center shield chassis Maximum Current per channel or common Maximum Power Characteristic Impedance Relay Life Typical Maximum Scan Rate Per Channel or Common Each Resistive Termination Agilent 44478A Agilent 44478B With no load At maximum rated power 42 V dc ac peak 1 A dc or ac rms 24 W 24 VA or 44 dBm 0 25 W
28. 2 WARNINGS Cont The Agilent 3499A B C can have modules that are capable of switching voltages up to 250V maximum Voltage levels above the levels specified for accessible connectors or cable ends could cause bodily injury or death to an operator Special precautions must be adhered to discussed below when applying voltages in excess of 60 Vdc 30 Vac rms or 42 4 Vac peak Module connectors and test signal cables connected to them cannot be operator accessible Cables and connectors are considered inaccessible if a tool e g screwdriver wrench socket etc or a key equipment in a locked cabinet is required to gain access to them Additionally the operator cannot have access to a conductive surface connected to any cable conductor High Low or Guard Assure the equipment under test has adequate insulation between the cable connections and any operator accessible parts doors covers panels shields cases cabinets etc Verify there are multiple and sufficient protective means rated for the voltages you are applying to assure the operator will NOT come into contact with any energized conductor even if one of the protective means fails to work as intended For example the inner side of a case cabinet door cover or panel can be covered with an insulating material as well as routing the test cables to the module s front panel connectors through non conductive flexible conduit such as that used in electrical power distribution
29. 4 Ibs Dimensions Agilent 3499A H x W x L 89mm x 426mm x 348mm 3 5 x 16 8 x 13 7 Agilent 3499B H x W x L 89mm x 213mm x 348mm 3 5 x 8 4 x 13 7 Agilent 3499C H x W x L 221 5mm x 426mm x 353 5mm 8 7 x 16 8 x 13 9 Safety Conforms to CSA UL 1244 IEC 1010 Cat I RFI and ESD CISPR 11 IEC 801 2 3 4 System Capacity 5 Slots Agilent 3499A or 2 Slots Agilent 3499B or 9 slots Agilent 3499C Display Vacuum fluorescent 13 characters can be displayed simultaneously GPIB IEEE 488 RS 232 8 pin Mini DIN connector 4 bit Digital I O external triggers Automatically selected by the mainframe for individual modules Additional time from 0 to 99999 999 seconds can be added in 1 ms steps External trigger from the rear panel Mini DIN connector IEEE 488 bus GET TRG or pressing Step from the front panel Software TRIGger IMM Internal timer programmable as 0 to 99999 999 seconds in 1 ms steps External trigger from the rear panel Mini DIN connector IEEE 488 bus GET TRG or pressing Step from the front panel Software Trigger IMM Internal timer programmable as 0 to 99999 999 seconds in 1 ms steps Level TTL compatible Minimum trigger pulse width 2 us Maximum external trigger delay 2 ms Level Normally pull up to 5 V Sink current 10 mA V Low lt 0 4V 80 mA V Low lt 0 8V Low going pulse width 10 us typical Input TTL compatible Output V high gt 2 4V 1
30. 540 s41 16 Bit Port 542 Agilent N2266A 40 Channel MUX Module 1 Wire Mode 500 501 578 579 2 Wire Mode 500 501 538 539 Dual 2 Wire Mode 500 501 538 539 4 Wire Mode 500 501 518 519 500 501 538 539 Agilent N2267A 8 Channel High Current GP Module 500 s01 s06 s07 500 s01 506 s07 Agilent N2268A 50W 3 5GHz Dual 1 to 4 MUX Module Group 0 500 501 502 503 Group 1 510 s11 512 513 Same as in SCPI mode Getting Started 25 Table 2 1 Plug in Modules Channel Addressing Agilent P N Descriptions Channel Addressing snn s Slot Number nn Channel Number SCPI Mode 3488A Mode Agilent N2269A Multifunction Module 16 Bit D A Port 540 542 16 Bit Memory Access Port S50 Digital I O individual Bits 500 s01 s30 s31 8 Bit Port s00 501 s02 503 16 Bit Port s00 s02 16 Bit D A Port 844 545 16 Bit Memory Access Port 558 Digital I O individual Bits 500 s01 s30 s31 8 Bit Port 500 s01 s02 s03 16 Bit Port 504 505 Agilent N2270A 10 Channel High Voltage MUX Module 500 s01 508 509 500 s01 508 509 Agilent N2272A 1GHz RF 1 to 9 MUX Module 800 s01 507 s08 Not supported Two 1 to 4 6 Microwave Switch Agilent N2276A B s00 s01 s02 s03 s04 s05 Dual 1 to 6 4 Microwave S10 511 S12 513 514 515 Not supported MUX Atttenuat
31. 6 2 Agilent 3499C Mainframe Replaceable Parts ITEM Part Number Qty DESCRIPTION 1 03499 40012 1 WINDOW DISPLAY 3499C 2 03499 40014 1 FRONT PANEL 3 03499 00013 1 COVER 3499C 4 5041 0564 1 QUARTER KEY 5 03499 40005 1 KEY PAD 6 34970 87401 1 KNOB 7 5041 8801 2 FOOT MOLD 8 5041 8822 2 FOOT NON SKID 9 03499 60001 1 PCA KEY amp VFD CONT UNIT 10 03499 00020 1 SHIELD BACKPLANE 11 0950 4321 1 POWER SUPPLY MODULE 12 03499 60007 1 POWER PROTECTION LOAD 13 03499 60006 1 BACKPLANE PCA 14 03499 60005 1 CONTROL BOARD MODULE 94 Replaceable Parts Plug in Modules Replaceable Parts Table 6 3 lists the replaceable parts for the existing Agilent 3499A B C plug in modules Kits 1 through Kits 6 are used to refer to the different sets of mechanical kits as described in the follow up sections Table 6 3 Plug in Modules Replaceable Parts Product Number PCA P N Mechanical Kits Microwave Module Agilent 44470A 44470 66511 Agilent 44470D 44470 66521 Agilent 44471A 44471 66511 Agilent 44471D 44471 66521 Kits 1 Agilent 44473A 44473 66511 Agilent 44474A 44474 66501 Agilent 44477A 44477 66501 Agilent N2260A N2260 60001 None Agilent N2261A N2261 60001 Agilent N2262A N2262 60001 Agilent N2263A N2263 60001 Kits 2 Agilent N2264A N2264 60001 Agilent N2265A N2265 6
32. Agilent 3499A B C serial number 1 For Firmware REV 3 0 the two system modes can not be switched to each other since they are realized in two independent firmwares SCPI mode Firmware REV 3 0 and 3488A mode Firmware REV 3 0 48 Front Panel Operation Table 3 11 Menu Key Structure in SCPI Mode 1st Level Items 2nd Level Items 3rd level Items 4th level Items Description CARD PAIR FIRST SLOT 1 SECOND SLOT Select the cards to be paired together Select a pair of external trigger lines CONF EXT TRIG TRIG SLOT 0 SABU and enable disable Agilent 3499 to output a trigger pulse PWR ON RESET Set instrument power on to the reset POWER ON SET state or a state stored in memory USER SET UP POWER ON nn location nn SRON Select GPIB interface then set its GPIB 488 ADDRESS 09 SRO OFF address 0 30 and enable disable Power on SRQ INTERFACE 2400 BAUD 4800 BAUD 9600 BAUD Select RS 232 interface and configure 19200 BAUD 38400 BAUD 57600 BAUD its baud rate data bits parity and flow control mode The defaults are 9600 DD 7 BITS EVEN 7 BITS NONE 8 BIT noesa QDD 5 Si NONE 8 BITS BAUD NONE 8 BITS and FLOW FLOW NONE FLOW XON XOFF NONE FLOW DTR DSR FLOW RTS CTS SELFTEST Perform a selftest SCPI MODE Select a system mode for operation 2 SYSTEM MODE 3488A MODE REVISION INFO Query the current firmware revision SERIAL NO Query Agilent 3499A B
33. Capacitance Center Center Center Common 0 002 pF Center Low 70 pF Low Chassis lt 0 20 uF Rise Time lt 0 7 ns Signal Delay lt 2 5 ns channel match lt 90 ps Insertion Loss with 50Q termination 30 MHz lt 0 50 dB 100 MHz lt 0 75 dB 300 MHz lt 1 25 dB Crosstalk Within a Group 30 MHz 100 dB Channel Channel or Channel Common 100 MHz 85 dB with 50Q termination 300 MHz 65 dB Crosstalk Group to Group 30 MHz 85 dB with 50Q termination 100 MHz 85 dB 300 MHz 50 dB VSWR with 50 termination 30 MHz 1 06 100 MHz 1 12 300 MHz 1 43 a Using Agilent 44474A external increment amp channel closed display off b When all channels in a group are opened the last channel opened or channel 00 or 13 following a group RESET has channel common isolation of gt 80 dB 30 MHz gt 60 dB 100 MHz and gt 40 dB 300 MHz Specifications 13 Agilent 44475A Agilent 44475A is a breadboard module and the specifications are listed in Breadboard Module te table below ITEMS SPECIFICATIONS MODULE DIMENTIONS Component Area Available 104mm x 74mm and 79mm x 74mm 4 1 x 2 9 and 3 1 x 2 9 Grid Hole Spacing center center 2 54mm x 2 54 mm 0 1 x 0 1 Grid Hole Size inside diameter 1 17mm 0 0467 Maximum Component Height above board 12 7mm 0 5 Maximum lead Length below board 3 2mm 0 125 INPUT CHARACTERISTICS
34. Figure 6 16 shows the replaceable mechanical parts Kits 10 as listed in Table 6 12 N2276A B Figure 6 16 Mechanical Kits 11 Table 6 12 Mechanical Kits 11 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2276 00003 SHD1 1 TOP COVER N2276 00001 SHD2 1 BOTTOM SHIELD N2270 00002 106 Replaceable Parts Mechanical Kits 12 Figure 6 17 shows the replaceable mechanical parts Kits 10 as listed in Table 6 13 N2280A SCWI SHDI SHD2 NLI Figure 6 17 Mechanical Kits 12 Table 6 13 Mechanical Kits 12 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2280 00001 SCW1 8 SCREW M3 0 FLAT AROUND 0515 1946 SHD1 1 TOP SHIELD N2280 00004 SHD2 1 BOTTOM SHIELD N2280 00002 Replaceable Parts 107 Mechanical Kits 13 Figure 6 18 shows the replaceable mechanical parts Kits 11 as listed in Table 6 14 N2281A SCWI SHDI SHD2 PNLI Figure 6 18 Mechanical Kits 13 Table 6 14 Mechanical Kits 13 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2281 00001 SCW1 8 SCREW M3 0 FLAT AROUND 0515 1946 SHD1 1 TOP SHIELD N2280 00004 SHD2 1 BOTTOM SHIELD N2281 00002 108 Replaceable Parts Mechanical Kits 14 Figure 6 19 shows the replaceable mechanical parts Kits 14 as listed in Table 6 15 N2282A Figure 6 19
35. Internal command error RS232 only unable to execute on GPIB There are three commands which are allowd only with the RS 232 interface SYSTem LOCal SYSTem REMote SYSTem RWLock Self Test Errors The errors listed in Table 6 19 indicate failures that may occur during a self test in SCPI mode Table 6 19 Self Test Errors Error Number Description 1 ROM test failed 2 GPIB test failed 3 RS 232 test failed 4 Front panel test failed 126 Error Messages Note A string 0 read back with command TST indicates that all the tests have passed In this case a string PASSED displays on the front panel of the instrument Error Messages 127 In 3488A Mode Error Conditions In 3488A mode you can also query the error queue when the ERROR annuciator is on The returned decimal value is equal to the sum of the values of the possible error conditions as defined in Table 6 20 Table 6 20 Error Conditions in 3488A Mode Weighted Value Error Condition 1 Syntax Error 2 Execution Error which include a Parameter out of range b Module type mismatch c Attempt to access a nonexistent stored state or scan list 4 Hardware Trigger too fast 8 Logical Failure 16 Power Supply Failure Note A string 00000 read back with the command ERROR indicates that the error queue is empty In this case a string 0000 di
36. Keyboard amp for 3499A Display Kits 03499 40009 for 3499B 34970 87401 03499 40005 N 5041 0564 F i amp A gi 5 3051 1941 um 4 t 9 EL 0535 0154 Figure 5 2 Keyboard amp Display on an Agilent 3499B Backplane If a plug in module will not function in only one slot the backplane board should be suspected Connector failure on the backplane board will be the most common form of backplane failures for there are few components on the backplane Because the plug in module slots are all parallel on the backplane a shorted connector on the backplane board may appear to be a Service 83 Controller board failure 11111 03499 60002 03499 60003 for 3499B for 3499A 0515 0664 03499 00005 03499 00003 for 3499B for 3499A Figure 5 3 Backplane Assembly 84 Service Chapter 6 Replaceable Parts Introduction This Chapter contains the disassembly assembly procedures for an Agilent 3499A B C mainframe followed by the mechanical and electrical replaceable parts for the Agilent 3499A B C mainframe and its plug in modules This Chapter contains the following sections Agilent 3499A B C Disassembly Assembly Procedures Page 85 Agilent 3499A B Mainframe Replaceable Parts page 92 Agilent 34399C Mainframe Replaceable Parts page 94 Plug in Modules Replaceable Parts Page 95 Agilent 3
37. SECOND SLOT 5 Press Enter to return to CARD PAIR press Menu again to exit this operation the CONFIG annunciator turns off accordingly Agilent 3499A B C provides two pairs of trigger lines for externally controlled scanning The first pair TRIG IN amp TRIG OUT is on the rear panel of the mainframes the second pair of EI External Increment amp CC Channel Closed is on the Agilent 44474A You can use only one pair of the trigger lines each time and specify whether a trigger out pulse can be sent out when a relay is closed during a scan To configure the external trigger 1 Press Menu the CONFIG annunciator lights up Turn the knob to select CONF EXT TRIG then press Enter CONF EXT TRIG Select either Slot 0 Agilent 3499A B C or the slot in which an Agilent 44474A is installed then press Enter TRIG SLOT 0 1 In case there are no matching cards installed in the mainframe the display will show NO MATCH then automatically returns to the first level of the Menu menu 50 Front Panel Operation 3 To enable a trigger pulse output from the selected line turn the knob to select ENABLE or select DISABLE ENABLE 4 Press Enter the instrument returns to EXT TRIG Press Menu again to exit this operation the CONFIG annunciator turns off accordingly Note In SCPI mode once a new pair of control lines is selected the newly selected
38. This ISM device complies with Canadian CES 001 Cet appareil ISM est conforme la norme NMB 001 du Canada CLEANING INFORMATION The instrument should only be cleaned by wiping it with a soft damp cloth DECLARATION OF CONFORMITY According to ISO IEC Guide 22 and CEN CENELEC EN 45014 E Agilent Technologies Manufacturer s Name Agilent Technologies Malaysia Sdn Bhd Manufacturer s Address Bayan Lepas Free Industrial Zone 11900 Penang Malaysia Declares that the product Product Name Switch Control System and Associated Modules Model Number 3499A B C Product Options This declaration covers all options of the above products Conforms with the following European Directives The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC including 93 68 EEC and carries the CE Marking accordingly Conforms with the following product standards EMC Standard Limit IEC 61326 1 1997 A1 1998 EN 61326 1 1997 A1 1998 Group 1 Class A CISPR 11 1990 EN 55011 1991 4kV CD 8kV AD IEC 61000 4 2 1995 A1 1998 EN 61000 4 2 1995 3 V m 80 1000 MHz IEC 61000 4 3 1995 EN 61000 4 3 1995 0 5kV signal lines 1kV power lines IEC 61000 4 4 1995 EN 61000 4 4 1995 0 5 kV line line 1 kV line ground IEC 61000 4 5 1995 EN 61000 4 5 1995 SV 0 15 80 MHz I cycle 100 IEC 61000 4 6 1996 EN 61000 4 6 1996 IEC 61000 4 11 1994 EN 61000 4 11 1994 Canada ICES 001 1998 Aust
39. by the switching relays on the Agilent N2260A 61A 62A 64A 65A modules 40 Front Panel Operation Table 3 5 Agilent N2260A Configuration Mode 1st level Items 2nd Level Items Description WIRE1 Configure Agilent N2260A Multiplexer module to work as 80 channel WIRE2 1 wire 40 channel 2 wire 20 channel 4 wire or two independent GONFIG MUX WIRE4 groups of 20 channel 2 wire module DUAL WIRE2 The digital I O modules can be configured in either SCPI mode or 3488A mode Table 3 6 on Page 41 shows the Mode key structure Note 4 bit built in digital I O in Slot 0 cannot be configured The Mode key shows a completely different structure Table 3 7 when it is used to configure a digital I O port Table 3 6 Digital I O Configuration Mode 1st level 2nd Level 3rd Level 4th Level 5th Level Description Items Items Items Items Items MODE 1 Configure DIO module including MODE 2 the handshake mode the CONT POL POS FLAG POL POS I O POL POS i CONFIG DIO MODE 3 control line and flag line MODE 4 CONT POL NEG FEAG FOLNEG VO POLNEG polarities and the polarity of the MODE 5 I O direction line Table 3 7 Digital I O Port Configuration Mode 1st Level Items 2nd Level Items Description POS POLARITY Set the polarity of the data lines for the port DATA POLARITY NEG POLARITY DECIMAL Set data display format for the port DISP FORMAT BINARY
40. die Het tte o UE HE PE Po et Ue edges 38 To View an Error ee eel eee OR a ee AGE 38 To View aS Can List eni t e aee olive set eet 39 To Viewithe Relay Cycles eere uer eet be ec 40 Mode K y Operation non et i ead ee Pe Re Ue ere e 40 Agilent N2260A Configuration seen nen rennen 41 DIO Module Configuration essere enne nennen 42 DIO Port ConfIBUEFatiOD 4 ceret tre pee Ee ede tete eere etie 43 Scanning Operation egere eee ORE RARE enean 43 OVErVIEW A E vhoasves 44 T Creat a Scan List ori et PEE RENE 45 To Configure Scania UA e E eet EN 45 To Seta Delay Time ote RU 46 To Stara SCAD onte P Ur ei ie p ier an Po eet este 47 Meni Key Operaton de eere EU d aer tea eU 48 To Pair Lwo Cards snust pedea eine 50 To Configure the External Trigger eese nennen 50 To Configure the Power on State rsnnrnrnrnrrenrnonnnnvvnenenenenenesenrarvrasnvrsnvnsnenenvensseser 52 To Configure the Remote Interface ernrronrnonvnnnnvrnvnrnrnrrnrsenasensrnvrnsnvenensnvesseeee 53 To Perform a Self t stee a esee e Heer ess 54 To Selecta System si itte rt grenden 54 To Query the Firmware Revision eese rennen nennen 55 To Query the Serial Number seen 55 To Reset Mod le i RR aee RP RENE REGE 57 To Reset the Instrument ath eee de eee E ae 57 Chapter 4 Veri
41. each group are functioning 1 Plug the Optical Module into a 3499A B C mainframe 2 Connect the Optical Multimeter s two optical probes to the COMx and CHxn x is the Optical Switch number in the same module and n is the channel number in the same Optical Switch of the Optical Switch which is under testing 3 Power on the 3499A B C mainframe and execute Opening and closing command on this channel to see if it is operated correctly 4 Perform step 2 and 3 on next channel of the same Optical Switch until all channels of it is tested 5 Perform step 2 3 and 4 on next Optical Switch in the same module If the channel under testing does not function in the step 3 above a problem exists either in the Optical Switch or in the Controller board of this module Using a normal Optical Switch to substitute the current one then perform the steps listed above If the problem still exists this demonstrates the Controller board is malfunctioning If the problem disappeared this demonstrates the Optical Switch is malfunctioning Thus the problem is solved by substituting the Controller board or the Optical Switch Verification Tests 77 78 Verification Tests Chapter 5 Service Introduction This Chapter provides general service related information about the Agilent 3499A B C Switch Control System This includes safety considerations static handling procedures and problem isolation processes Chapter contents include
42. front panel of the Agilent 3499A B C the GPIB test passed Otherwise the GPIB test failed To test the RS 232 on an Agilent 3499A B C 1 Make sure one or more plug in modules are installed i e Agilent N2260A etc 2 Set the Agilent 3499A B C to SCPI mode and the Agilent 3499A B C interface is set to RS 232 3 Connect the RS 232 cable from your PC to an Agilent 3499A B C 4 Send a SCPI command DIAG DISP RS232 test from you PC Verification Tests 61 Keyboard Test Correction Relay Cycle Count If RS232 TEST is displayed on the front panel of the Agilent 3499 A B C the RS 232 test passed Otherwise the RS 232 test failed All the keys on the front panel of an Agilent 3499 A B C can be tested easily by pressing the keys If one or more keys has no response a problem exists in either the Keyboard Assembly or the Controller board Refer to Agilent 3499A B C Problem Isolation on Page 80 for problem isolation information If GPIB test and or RS 232 test failed the Controller board malfunctioned To replace or repair the Controller board it is necessary to disassemble the Agilent 3499A B C mainframe Refer to Replaceable Parts on Page 85 for the mainframes disassembly information For the plug in modules Agilent N2260A N2261A N2262A N2266A N2267A N2268A N2270A N2272A N2276A B except attenuators N2280A 81A 82A and the switching function on the multifunction modules Agilent N2264A 65A the relay
43. in the Controller board or the related GP Relay module Replace this GP Relay with another same one and perform the tests as described above to isolate the problem If during step 8 the appropriate relays closed but one or more of the resistances were higher than the Initial Closed Channel Resistance refer to Chapter 1 on Page 1 the corresponding relay is defective If the GP Relay module is defective replace it with a new one the relays are not replaceable parts refer to Chapter 6 on Page 85 for more information Matrix Modules Verification Tests The Matrix modules available with the Agilent 3499A B C include a Agilent N2262A 4 x 8 2 wire Matrix module a Agilent 44473A 4 x 4 2 wire Matrix module a Agilent N2265A Multifunction module 4 x 4 2 wire Matrix Test Fixture The test fixture can be constructed by configuring the related Matrix Verification Tests 65 module s removable wiring terminal block as shown in Figure 4 3 TO MATRIX MODULE N2262A 44473A N2265A Matrix Function ROW COLUMN WIRING TERMINAL BLOCK a TEST Pa OPL TP2 FIXTURE WIRING Figure 4 3 Matrix Modules Test Fixture The fixture contains a A short circuit between all of the high lines in the Columns TP1 A short circuit between all of the low lines in the Columns TP2 A short circuit between all of the high lines in the Ro
44. mode will reset the instrument to the factory default settings except the GPIB address To View Relay Cycles The relay cycle counts for the switching relays on some Agilent modules can be read out These modules include Agilent N2260A 40 Channel 2 Wire MUX Module Agilent N2261A 40 Channel GP Relay Module Agilent N2262A 4 x 8 2 Wire Matrix Switch Module Agilent N2264A Multifunction Module aS 1 Press Close means to press the key Close on the front panel of the Agilent 3499A B C 2 Press Shift Card Reset means to press the key Shift first then press the key Card Reset Getting Started 27 Agilent N2265A Multifunction Module Agilent N2266A 40 channel 2 Wire MUX Module Agilent N2267A 8 channel High Current GP Module Agilent N2268A 50Q 3 0GHz Dual 1 to 4 MUX Module Agilent N2270A 10 Channel High Voltage MUX Module 10 Agilent N2272A 1GHz RF 1 to 9 MUX Module 11 Agilent N2276A B Dual 1 to 6 4 Microwave MUX Atttenuator Module not include Attenuators 12 Agilent N2280A 81A 82A Optical Switch Modules To read out the relay cycles press View turn the knob until the CYCLES is displayed press Enter to view the relay cycles of the switching relays Turn the knob to view all the relay cycles on the plug in modules Note N A will be displayed a little while if the module does not support relay cycle count feature To View the Errors The Agi
45. trigger in line is immediately ready to accept the trigger signal from an external instrument However in 3488A mode only after the newly selected pair is enabled will the previously enabled pair be disabled Otherwise the previously enabled pair is still in effect To Configure the The power on state of the Agilent 3499A B C with Firmware REV 4 0 or 1 later can be set to the reset state or to a stored state The instrument will Power on State return to the specified state the next time it is turned on To configure the power on state 1 Press Menu the CONFIG annunciator lights up Turn the knob to select POWER ON SET then press Enter POWER ON SET 2 To set the instrument power on to reset state turn the knob to select PWR ON RESET then press Enter the instrument will return to POWER ON SET PWR ON RESET To set the instrument power on to a stored state turn the knob to select USER SET UP then press Enter Turn the knob to specify a memory location i e 05 press Enter again to return to POWER ON SET USER SET UP POWER ON 05 1 This section is only intended for 3499A B C with Firmware REV 4 0 or later 2 NO DATA will be displayed if no state had ever been stored then the instrument automatically returns to the first level of the Menu menu Front Panel Operation 51 Note Note 52 Front Panel Operation 3 Press Menu again to exit this o
46. 0 20 dB 0 60 dB 76 dB lt 56 dB lt 33 dB 5 pF 40 pF 70 pF 0 30 dB 0 35 dB 0 90 dB 76 dB lt 56 dB 36 dB a Agilent N2265A combines a 4 x 4 matrix and a 16 bit digital I O into one module It can be operated as two separate modules b With chassis of all instruments connected and with Low Terminal of the input connected to Low Terminal of the output either directly or via Agilent 3499A B C switching channels 10 Specifications Digital I O Modules The digital I O modules available with Agilent 3499A B C include Agilent N2263A 32 bit digital I O Agilent 44474A 16 bit digital I O module and the 16 bit digital I O on both the Agilent N2264A 65A multifunction modules The specifications are listed in the table below ITEMS SPECIFICATIONS Agilent N2263A 64A 65A Agilent 44474A VO LINES Bit Number 32 16 16 16 Maximum Voltage Line Chassis 42 V dc 30 V dc Maximum Sink Current Per Bit 600 mA 125 mA Output Characteristics Vout high 22 4V lt 10 output gt 2 4 V I lt 8 mA output Vout low lt 0 8 V I lt 600 mA input lt 04V 1 lt 16 mA input I low N A 125 mA Vout low lt 1 25 V low is fused at 250 mA Input Characteristics Vin high gt 2 0 V gt 2 0 V Vin low lt 0 8 V lt 0 8 V HANDSHAKE LINES Maximum Voltage Line Chassis 5V de 5 Output Characteristics Vout high gt
47. 0001 Agilent N2266A N2266 60001 Agilent N2269A N2269 60001 Agilent 44472A 44472 66511 Kits 3 Agilent 44476A Kits 4 33311B x3 44476 66501 Agilent 44476B Kits 5 876XX x2 Agilent 44478A 44478 66501 Kits 6 None Agilent 44478B 44478 66502 Agilent N2267A N2267 60001 Kits 7 None Agilent N2268A N2268 60001 Kits 8 None Agilent N2270A N2270 60001 Kits 9 None Agilent N2272A N2272 60001 Kits 10 None Agilent N2276A B N2276 60001 Kits 11 8710XX Agilent N2280A N2280 60001 Kits 12 None Replaceable Parts 95 Table 6 3 Plug in Modules Replaceable Parts Product Number PCA P N Mechanical Kits Microwave Module Agilent N2281A N2281 60001 Kits 13 None Agilent N2282A N2282 60001 Kits 14 None a The microwave modules used with an Agilent 44476B can be the 3 4 or 5 port modules 8762A B C F 8763B C 8764B C from DC to 26 5 GHz and must be ordered separately 96 Replaceable Parts Mechanical Kits 1 amp 2 Figure 6 8 shows the replaceable mechanical parts for Kits 1 amp 2 as listed in Table 6 4 MP49 1 EA MP52 4 EA 2 EA 2 EA 1 EA Figure 6 8 Mechanical Kits 1 amp 2 Table 6 4 Mechanical Kits 1 amp 2 Ref Designation Qty Description Kits 1 P N Kits 2 P N MP48 1 SHIELD CIRCUIT 03488 00612 5184 0501 MP49 1 SHIELD COMP 03488 00613 5184 0502 MP50 2 PC EXTRACTOR WHT 0403 0464 MP51 2 PIN GRV 3 32 X 1 4 1
48. 1 2 Reset the DIO module Connect the Multimeter between the GND and the PCTL RD or IO WR terminals on the test fixture Figure 4 4 on Page 68 to measure dc voltage The PCTL RD or IO WR line should be in the high state between 42 4 V dc and 5 Vdc Change the polarities of the IO WR and PCTL RD to negative NEG and write a data to any one of the 8 bit ports on the DIO module for more instructions refer to Front Panel Operation on Page 31 Measure the voltage between the GND and the IO WR or PCTL RD terminals The IO WR or PCTL RD line should be in the low state between 0 Vdc and 0 4 V dc If either or both control lines failed to achieve either or both states a problem exists in either the mainframe Controller board or the plug in DIO module You can isolate the problem by testing the same items described above with another same type functional DIO module Verification Tests 69 Correction Replace the DIO module with a new one if it is failed Agilent 44472A Verification Tests The VHF Switch module consists of two 4 to 1 MUXs with BNC connections Only the center conductor of each channel is switched The outer conductors shield of all channels in a particular MUX are connected together and unswitched Tests Procedure test a channel 1 Remove any external wiring from the rear of the 44472A Reset the 444724 and press Mon 2 Set the Multimeter to measure resistance Zero the Multimeter
49. 15 1057 SCR4 1 SCR5 1 For 44476A only SCR6 1 SCW1 1 SCW2 1 SCREW FLATHEAD M2 5 X 20 LK 0515 0843 SCW3 1 For 44476A B SCW4 1 SHD1 1 SHIELD CIRCUIT SIDE 44476 00601 SHD2 1 SHIELD COMPONENT SIDE 44476 00602 PNL1 1 PANEL Agilent 44476A 44476 00201 For 44476A only PNL2 1 PANEL Agilent 44476B 44476 00202 SCR 1 SCREW PANHEAD M2 5 X LONG 0515 0905 SCR8 1 5 X 6mm For 44476B only ver 1 WASHER LOCK HLCL ee WSH2 25MM2 6 MM ID 100 Replaceable Parts Mechanical Kits 6 Figure 6 11 shows the replaceable mechanical parts Kits 6 as listed in Table 6 7 44478A B SCW1 16 EA SHD1 SHD2 MP2 MP1 Figure 6 11 Mechanical Kits 6 Table 6 7 Mechanical Kits 6 Ref Designation Qty Description Part Number Kits 6 MP1 1 BRACKET LEFT 44478 41201 MP2 1 BRACKET RIGHT 44478 41203 SCW1 16 16 SCREW MACH M3 0 X 0 5 6MM LG PAN HD 0515 0211 SHD1 1 SHIELD CIRCUIT SIDE 34505 00601 SHD2 1 Replaceable Parts 101 Mechanical Kits 7 Figure 6 12 shows the replaceable mechanical parts Kits 7 as listed in Table 6 8 N2267A SCWI SHDI SHD2 d Figure 6 12 Mechanical Kits 7 Table 6 8 Mechanical Kits 7 Ref Designation Qty Description Part Number PNL1 1 FRONT PANEL N2267 00001 SCW1 4 SCRFHM2 5x20PZLK SHEET METAL 0515 0843 SHD1 1 TOP SHIELD N2267 00003 SHD2 1 BOTTOM SHIELD N2267 00002
50. 2 Note A indicates the pin is not used Figure 6 29 Agilent N2299A Cable Plug in Modules Wiring Information 121 Appendix B Error Messages Agilent 3499A B C Switch Control System can be operated in either SCPI mode or 3488A mode The error messages are different in different system modes This Appendix lists all these error messages In SCPI Mode Errors are retrieved in first in first out FIFO order The first error returned is the first error that was stored Errors are cleared as you read them When you have read all errors from the queue the ERROR annunciator turns off and the errors are cleared The instrument beeps once each time an error is generated f more than 10 errors have occurred the last error stored in the queue the most recent error is replaced with 350 Queue overflow No additional errors are stored until you remove errors from the queue If no errors have occurred when you read the error queue the instrument responds with 0 No error The error queue is cleared by the CLS clear status command or when power is cycled The errors are also cleared when you read the queue The error queue is not cleared by an instrument reset RST command or a card module reset SYSTem CPON command Front Panel Operation If the ERROR annunciator is on press View to view the errors stored in the queue Use the knob to scroll through the error numbers Press the arrow key right to view the
51. 272A MUX Module ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Total Channels 1 to 9 Relay Type Latching Connector Type BNC Maximum Switching Voltage 24VDC Maximum Switching Current 1A Maximum Switching Power 24W Characteristic Impedance 500 Relay Life Mechanical 5X106 Electrical 1A24VDC 105 DC CHARACTERISTICS Offset Voltage mV 8 0 Initial Closed Channel Resistance W 0 8 Insulation Resistance W 25 C 40 RH Open Ch Ch Ch 100 Ch Chassis Ch Center 1010 40 C 80 RH Open Ch Ch Ch 109 Ch Chassis Ch Center 109 AC CHARACTERISTICS Bandwidth 3dB 1GHz Insertion Loss dB 100MHz 0 5 25 C 40 RH 300MHz 0 8 500MHz 1 0 800MHz 1 8 1GHz 2 5 Ch Ch Cross Talk dB 100MHz 75 25 C 40 RH 300MHz 65 500MHz 65 800MHz 55 1GHz 50 VSWR 100MHz 1 20 25 C 40 RH 300MHz 1 30 500MHz 1 35 800MHz 1 35 1GHz 1 55 Capacitance pF Center Shield 60 pF Center Center 0 006 pF Rise Time 500 ps Signal Delay 2 5 ns Specifications GP Relay Modules The General Purpose GP relay modules include Agilent N2261A Agilent 44471 A D Agilent N2264A and Agilent N2267A Specifications of them are listed in the following tables ITEMS SPECIFICATIONS Agilent N2261A Agilent 44471A Agilent 44471D INPUT CHARACTERISTICS Total Channels Maximum Voltage Maximum Current Maximum Power Terminal Terminal or Terminal Chassis Per Channel Per Module Per Channel
52. 44477 F BA Figure 6 20 Type A Screw Terminal Block Wiring 112 Plug in Modules Wiring Information STEP 3 STRAIN RELIEF HOUSING CORRECT INCORRECT Figure 6 21 Type A Screw Terminal Block Wiring Cont d Plug in Modules Wiring Information 113 Screw Terminal Block Wiring Type B 1 Remove cover 2 Determine the wires amp the wire exit A The wire gauge 18 26 AWG B Wires connected to P101 amp P102 A Release screw on top of the cover B Press tab forward and release exit from EXIT 1 C Wires connected to P103 amp P104 exit from EXIT 2 3 Attach wires 4 Replace cover Insert wire into terminal connectors Hook the top cover tabs onto the fixture B Tighten screws on the connectors C Tighten wraps to secure wires B Press down and tighten screw X Tighten wraps to V secure wires Lo c MN Figure 6 22 Type B Screw Terminal Block Wiring 114 Plug in Modules Wiring Information Screw Terminal Block Wiring Type C STEP 1 Remove cover A Release screws on top of the cover f B Press tab forward and release STEP 2 Attach wires A The wire gauge 18 26 AWG B Insert wire into terminal connectors C Tighten screws on the connectors STEP 3 Tighten the wires A Insert the wires into the nearest cable boot move the cable boot to the Cable slot B Tighten the cable
53. 44480A For Agilent 44470A module only default Agilent 44481A For Agilent 44471A module only default Type AU Agilent 44483A For Agilent 44473A module only default Figure 6 20 on Page 112 amp Figure 6 21 on Page 113 Agilent 44484A For Agilent 44474A module only default Agilent 44485A For Agilent 44475A module only default Agilent 44487A For Agilent 44477A module only default Type B Agilent 44480B For Agilent 44470D module only default Figure 6 22 on Page 114 Agilent 44481B For Agilent 44471D module only default 110 Plug in Modules Wiring Information Table 6 17 Screw Terminal Blocks Screw Terminal Block Wiring Inf Agilent P N Application Agilent N2290A For Agilent N2260A module only Agilent N2291A For Agilent N2261A module only Agilent N2292A For Agilent N2262A module only Type Figure 6 23 on Page 115 Agilent N2293A For Agilent N2263A module only Agilent N2294A For Agilent N2264A module only Agilent N2295A For Agilent N2265A module only Agilent N2329A For Agilent N2269A module only 1 Types A amp B of the screw terminal blocks are provided with the ordered modules 2 Type C of the screw terminal blocks must be ordered separately Plug in Modules Wiring Information 111 Screw Terminal Block Wiring Type A IA WIRE SIZE 18 TO 26 GAUGE SOLID OR STRANDED STEP 1
54. 460 1345 2 TILT STAND 12 03499 00001 03499 00006 1 COVER FULL HALF RACK 13 03499 61007 1 CABLE ASSY LINE 14 03499 61004 1 CBL ASSY POWER MODULE 15 03499 61002 1 CBL ASSY GROUND 16 1 Fuse 3 15A 250 VAC 17 0515 0430 4 SCR MACHINE 18 0950 2649 1 POWER SUPPLY MODULE 19 03499 40007 1 SAFETY SHIELD POWER SUPPLY 20 03499 61008 1 CONTROL MODULE ASSY 21 5180 8269 2 SCREW M3 0 22 8160 0686 1 RFI STRP FINGERS 23 0515 0844 4 SCR MACHINE 24 03499 00008 1 CONTROL CARD SHIELD COMP 25 03499 00007 1 CONTROL CARD SHIELD CIRCUIT 26 03499 60004 1 PCA CONTROL MODULE 27 03499 61009 1 CONTROL PANEL ASSY 28 1400 0249 3 CABLE TIE 29 0515 1934 1 SCR MACHINE 92 Replaceable Parts Table 6 1 Agilent 3499A B Mainframe Replaceable Parts Part Number ITEM Qty DESCRIPTION 3499A 3499B 30 0515 0367 2 SCR MACHINE 31 0380 0643 2 STDF HEX 255 IN 33 1390 0793 0515 0430 2 CAPTIVE SCR SCR MACHINE 34 03499 40002 03499 40004 1 REAR BEZEL FULL HALF RACK 35 03499 00002 03499 00004 1 CHASSIS FULL HALF RACK 36 03499 40006 6 PCB CARD GUIDE 37 03499 60003 03499 60002 1 PCA BACK PLN FULL HALF RACK 38 0515 0430 4 SCR MACHINE 39 03499 00003 03499 00005 1 BACK PLN BRACKET FULL HALF RACK 40 0515 0664 5 SCR MACHINE 41 5041 5209 N A 1 GUIDE PC BD 42 3050 1941 1 WSHR FL NM 43 0535 0154 1 NUT HEX SGL CHAM Replaceable Parts 93 Agilent 3499C Mainframe Replaceable Parts Table
55. 480 0625 MP52 4 SCREW M3 0 X 06TXSC 0515 0430 Replaceable Parts 97 Mechanical Kits 3 Figure 6 9 shows the replaceable mechanical parts Kits 3 as listed in Table 6 5 44472A MP53 4 EA MP55 MP59 MP57 4 EA MP56 2 EA MP54 MP61 2 EA MP60 2 EA MP58 Figure 6 9 Mechanical Kits 3 Table 6 5 Mechanical Kits 3 Ref Designation Qty Description Part Number Kits 3 MP53 4 SCREW 2 5 X 20 LK 0515 0843 MP54 1 SHIELD VHF CIRCUIT 44472 00601 MP55 1 SHIELD VHF COMP 44472 00602 MP56 2 GLIDE PC BOARD 5041 5213 MP57 4 PIN GRV 3 32 X 1 4 1480 0625 MP58 1 PANEL REAR VHF 44472 40201 MP59 1 SCREW M2 5 X8LK 0515 0403 MP60 2 SCREW CAPTIVE 5180 8269 MP61 2 RING RETATINER 3 58 0510 0043 98 Replaceable Parts Mechanical Kits 4 amp 5 Figure 6 10 shows the replaceable mechanical parts Kits 4 amp 5 as listed in Table 6 6 on page 100 44476A SHD1 SHD2 SCW1 4 Kits4 SCR1 6 44476B SHD1 SHD2 SCW1 4 Figure 6 10 Mechanical Kits 4 amp 5 Replaceable Parts 99 Table 6 6 Mechanical Kits 4 amp 5 Ref Designation Qty Description Part Number Application SW1 1 SW2 1 33311B MICORWAVE SW 5V 33311 For 44476A only SW3 1 SCR1 1 SCR2 1 For 44476A B SCR3 1 SCREW PANHEAD M2 5 X 18 LK 05
56. 499A B C Disassembly Assembly Procedures WARNING Caution 3499A B Disassembly Procedures Note The line power cord and all other interconnections must be removed before performing any disassembly or assembly procedures The Agilent 3499A B C mainframe as well as the plug in modules are susceptible to static discharges Use the anti static techniques when assemblies are handled or serviced To disassemble an Agilent 3499B half rack width mainframe perform the following procedures STEP 1 through STEP 6 For an Agilent 3499A full rack width mainframe the disassembly procedures are the same with exception of some different replaceable parts i e the Backplane the Front Panel part the Rear Bezel etc Figure 6 1 through Figure 6 6 demonstrate the disassembly procedures for an Agilent 3499A B mainframe The replaceable parts on it are identified with a number and listed in Table 6 1 on page 92 The replaceable parts for the Agilent 3499A B C plug in modules are listed in Table 6 3 on page 95 Replaceable Parts 85 STEP 1 Front Panel Removal 7 Figure 6 1 Front Panel Removal Figure 6 2 shows the Front Panel disassembling procedures Figure 6 2 Front Panel Disassembly 86 Replaceable Parts STEP 2 Cover Removal 9 10 11 12 Figure 6 3 Cover Removal STEP 3 Power Supply Removal 15 16 17 18 19 Figure 6 4 Power Sup
57. 60 RH gt 5x10 o lt 40 C 95 RH gt 10190 AC ISOLATION PERFORMANCE without terminal block Capacitance with 1 channel closed Insertion Loss with 50Q termination Crosstalk with 50Q termination Open Channel Channel Channel Channel Chassis 100 kHz 1 MHz 10 MHz 100 kHz 1 MHz 10 MHz 10 pF 10 pF 20 pF 0 10 dB 0 20 dB 0 50 dB 70 dB 50 dB 30 dB 7 pF 10 pF lt 25 pF lt 0 20 dB lt 0 25 dB lt 0 50 dB lt 73 dB lt 53 dB lt 33 dB lt 7 pF 10 pF 25 pF 0 20 dB 0 25 dB 1 00 dB lt 71 dB lt 51 dB lt 31 dB a With chassis of all instruments connected and with Low Terminal of the input connected to Low Terminal of the output either directly or via Agilent 3499A B C switching channels Specifications 7 Agilent N2264A GP Relay The specifications of the GP relays on an Agilent N2264A are listed in the Module table below ITEMS SPECIFICATIONS Agilent N2264A2 Agilent N2264A 12 Channel GP function 3 Channel High current GP function INPUT CHARACTERISTICS Total Channels Terminal Terminal or Terminal Chassis Maximum Voltage Maximum Current Per Channel Maximum Power Per Channel Thermal Offset Per Channel Initial Closed Channel Resistance Relay Life Maximum Scan Rate Time to Close One Channel 12 200 V dc or ac r
58. A Components Locator amp Schematics Page 190 Agilent N2266A Components Page 191 Agilent N2266A Schematics 20 0 cece ect eens Page 192 Agilent N2267A Components Locator 2 0 0 0 beeen Page 196 Agilent N2267A Schematics 0 0 cece eee eens Page 197 Agilent N2268A Components Locator eee Page 199 Agilent N2268A Schematics 0 0 0 cece cece eee nee Page 200 Agilent N2269A Components Page 203 Agilent N2269A Schematics see cece cece ee ene Page 204 Agilent N2329A Components Locator amp Schematics Page 209 Agilent N2270A Components Locator 2 0 0 0 eee eee Page 210 Agilent N2270A Schematics 0 0 0 eee eens Page 211 Agilent N2272A Components Page 213 Schematics 129 Agilent N2272A Schematics isle Page 214 Agilent N2276A B Components Page 218 Agilent N2276A B Schematics lisse Page 219 Agilent N2280A N2281A Components Page 222 Agilent N2280A N2281A Page 223 Agilent N2282A Components Page 224 Agilent N2282A Schematics 0 cee reve
59. Agilent 3499A B C owitch Control System e e e o e e Co e Service Manual e o e e o e Agilent Technologies Legal and Safety Information AGILENT TECHNOLOGIES WARRANTY STATEMENT PRODUCT Agilent 3499A B C Switch Control System DURATION OF WARRANTY 1 year 1 Agilent Technologies warrants Agilent hardware accessories and supplies against defects in materials and workmanship for the period specified above If Agilent receives notice of such defects during the warranty period Agilent will at its option either repair or replace products which prove to be defective Replacement products may be either new or like new 2 Agilent Technologies warrants that Agilent software will not fail to execute its programming instructions for the period specified above due to defects in material and workmanship when properly installed and used If Agilent receives notice of such defects during the warranty period Agilent will replace software media which does not execute its programming instructions due to such defects 3 Agilent Technologies does not warrant that the operation of Agilent products will be interrupted or error free If Agilent is unable within a reasonable time to repair or replace any product to a condition as warranted customer will be entitled to a refund of the purchase price upon prompt return of the product 4 Agilent Technologies products may contain remanufactured parts
60. C CHARACTERISTICS Bandwidth 3dB 40 MHz 3 0 GHz 500 source 500 termination Capacitance Open Channel with 1 channel closed Channel Channel lt 7pF 20 pF Center Shield lt 7 pF HI LO lt 50 pF 0 06 pF Center Center lt 7 pF Channel Chassis lt 140 pF lt 50 pF Insertion Loss 100 kHz lt 0 2 dB 1 GHz 0 9 dB 100 kHz 0 1 dB with 500 termination 1 MHz lt 0 3 dB 2 GHz 1 2 dB 1 MHz 0 2 dB 10 MHz 2 0 dB 3 0 GHz 1 7 dB 40MHz 3 0 dB Crosstalk 100 kHz lt 75 dB DC 2GHz 64 dB 100 kHz 70 dB with 500 termination 1MHz 55 dB 2GHz 3 0GHz 50 dB 1 MHz 50 dB 10 MHz lt 33 dB VSWR Rise Time Signal Delay 1 GHz 1 20 2 GHz 1 35 3 0 GHz 1 35 150 ps lt 1 5 ns 4 Specifications ITEMS SPECIFICATIONS Agilent N2266A Agilent N2268A Agilent N2270A Environmental Conditions Operating Pollution Degree Operating Altitude Measurement Category 1 Operating Temperature Operating Humidity 2 3000 meters 10 000 ft 1 1500 Vpk transient 500 V over voltage transient 0 55 C lt 80 RH 0 C 40 C non condensing a With chassis of all instruments connected and with the Low Terminal of the input connected to the Low Terminal of the output either directly or via Agilent 3499A B C switching channels Specifications 5 Agilent N2272A 1 to 9 RF The following table lists the specifications of Agilent N2
61. C serial number 1 This menu item is only effective in Agilent 3499A B C with Firmware REV 4 0 or later 2 For Firmware REV 3 0 the two system modes can not be switched to each other since they are realized in two independent firmwares SCPI mode Firmware REV 3 0 and 3488A mode Firmware REV 3 0 The following operations can be done with the Menu key in SCPI mode To pair two cards To configure the external trigger To configure the power on state To configure the remote interface To perform a self test To select a system mode To query the firmware revision To query the serial number Note In 3488A mode the Agilent 3499A B C does not support configuring RS 232 interface and the instrument power on state Front Panel Operation 49 To Pair Two Cards Two same type plug in modules cards can be paired Once paired any operation on a channel of one module will be duplicated on the corresponding channel of the paired module To pair two same type cards To Configure the External Trigger 1 Press Menu the CONFIG annunciator lights up Turn the knob to select CARD PAIR press Enter CARD PAIR When FIRST SLOT 1 is displayed turn the knob to select the first paired slot i e Slot 1 then press Enter FIRST SLOT 1 When SECOND SLOT is displayed turn the knob to select the second slot i e 5 to be paired with the first
62. CAN LIST 107 Press View again to end this operation the VIEW annunciator turns off Front Panel Operation 39 To View the Relay To view the relay cycle counts Cycles Mode Key Operation Press View the VIEW annunciator lights up Turn the knob until RELAY CYCLES is displayed then press Enter RELAY CYCLES 400 If no module with the relay cycle count feature is present N A will be displayed then the display automatically returns to the first level of the View menu N A 400 If the selected channel is a relay without the cycle counts feature the instrument will display the cycle counts of the first relay with the feature 7383 100 If the selected channel i e 109 is a relay with the cycle counts feature the cycle counts of the relay will be displayed 10132 109 Turn the knob to read other relays cycle counts or press Enter to return to the first level of the View menu RELAY CYCLES 108 Press View again to exit the View menu operation the VIEW annunciator turns off A digital I O and the digital I O ports can be configured from the instrument front panel In SCPI mode Agilent N2260A can be configured as different MUX modules The Mode key is designed for these configurations Agilent N2260A can be configured in SCPI mode Table 3 5 shows the Mode key structure in this case 1 Relay cycle count feature is supported
63. Create a scan list including all the channels of 44472A 4 MUX 0 TESTS Connect a Multimeter between the center conductor of the common connector common 0 and the center conductor of the channel under test channel 00 to start The Multimeter should indicate that the channel is open very high resistance or an overload indication 5 Press Step the Multimeter should display a resistance reading of less than 10 6 Repeat Steps 4 and 5 for channels 01 02 and 03 7 MUX 1 TESTS Reset the 44472A and connect the Multimeter between the center conductor of the common connector common 1 and the center conductor of the channel under test channel 10 to start The Multimeter should indicate that the channel is open very high resistance or an overload indication 8 Press Step until the channel under test appears in the Agilent 3499A B C s display The Multimeter should display a resistance reading of less than 1Q 9 Repeat Steps 7 and 8 for channels 11 12 and 13 Correction during Steps 5 or 8 one or more channels does not close as described a problem exists in either the mainframe Controller board or the 44472A You can use a functional 444724 to isolate the problem b If during Steps 5 or 8 the channels closed but one or more of the resistances was greater than 19 the relays in the corresponding channel s are failing Note Replace the 44472A with a new one if it is failing Agilent 44476A B Verificati
64. Enable Menu menu to 7T Close relay channel Pair two modules together 8 Read from DIO port Enable disable trigger out pulse 9 Write to DIO port Set instrument power on state 10 Enable View menu to Configure GPIB RS 232 interface View errors Perform self test View scan list Select SCPI 3488A mode View relay cycle counts Query firmware revision 11 Enable Mode menu to Query serial number Configure MUX module 16 Confirm the selection Configure DIO module 17 Left arrow key 12 a Initiate scan 18 Right arrow key b Stop scan 19 Knob 13 Step through scan list Figure 3 1 Agilent 3499B Front Panel 32 Front Panel Operation Display Information Display Area _ Channel Slot Number Z Apike 34998 SWITCH CONTROL SYSTEM SCAN MON VIEW 3 BRERERREREH EE CONFIG ADRS RMT ERROR EXT ONCE AUTO MEM LAST MIN SHIFT zac N Annunciators As shown in above figure the display is divided into three areas Channel area displays the channel port slot number The main display area displays the channel status open closed or other information messages Around the main display area are the annunciators as listed in Table 3 1 Table 3 1 Annunciators Summary Annunciator Indication SCAN Scan is initiated MON Instrument is in monitor mode VIEW Scan list errors or relay cycle counts are being viewed CONFIG Any configuration key ha
65. Enter to display the next part if necessary Press Mon again to exit the monitoring state the MON annunciator turns off Table 3 2 Display on Monitoring Mode Display Description The display for a multiplexer or a GP relay module This display indicates that the monitored module is in Slot 2 and channels 10 16 and 19 are closed ROW 3 1 3 6 7 0 3 COL 3 The display for a matrix module The top is the row information indicating that the relays on Row 3 Columns 1 3 6 and 7 of the module in Slot 3 are closed The lower display is the column information indicating that relays on column 3 row 0 and 3 are closed 00 H255 L254 The display for a digital I O module The first 2 digits on the left 00 in this case represents the L 8 bit port address Adding one to this value the H 8 bit port address is obtained Data with a trailing decimal point indicates that the last operation on that port was a WRITE data without a trailing decimal point indicates that the last operation on that port was a READ This display shows that the data last read from Port 401 is 255 and the data last written to Port 400 is 254 DIO 12 090 DOUT 0 091 The top display is for the built in digital I O Port 090 and the data from the last operation The lower display indicates that data last written to the bit channel 091 is 0 ROW 0 1 3
66. Inspection WARNING Verify that you have received the following items with each one of your 3499A B C mainframe If anything is missing contact your nearest Agilent Technologies Sales Office One power cord One User s Manual if ordered One Tie Down Clip 03499 21002 for Agilent 3499B only Any plug in modules you ordered which were delivered in separate shipping containers This Service Manual must be ordered separately The Agilent 3499 A B C was carefully inspected both mechanically and electrically before shipment It should be free of any scratches and in perfect electrical order upon receipt You should inspect the Unit for any damage that may have occurred in transit To avoid potentially hazardous electrical shock do not perform electrical tests when there are signs of damage to any portion of the outer enclosure If the shipping container or packing material shows any signs of damage or stress you should notify both carrier and the nearest Agilent Technologies Sales Office Getting Started 21 Power on the Instrument Note If the Instrument Does Not Turn On Note Make sure no mechanical damages on the instrument then you can perform the following procedure to verify that the instrument is in proper working order 1 Connect the instrument to an AC power source with the supplied power cord 2 Push the Power switch to power on the instrument 3 On power up every segment in th
67. OL POS 4 7 The instrument returns to CONFIG DIO press Mode again to exit the configuration the CONFIG annunciator turns off accordingly DIO Port 7o configure the data line polarity and data display format for an individual Configuration digital I O port 1 Select a digital I O port i e Port 401 press Mode the CONFIG annunciator lights up Turn the knob to select one item i e DATA POLARITY DATA POLARITY 401 2 Press Enter turn the knob to select the polarity i e NEG POLARITY NEG POLARITY 401 3 If another item DISP FORMAT is selected press Enter then turn the knob to select the data display format i e BINARY BINARY 401 4 Press Enter to select the data display format and return to DISP FORMAT press Mode again to exit the configuration the CONFIG annunciator turns off accordingly To configure other digital I O ports repeat Steps 1 through 4 Note Once you have selected the data display format for a port it applies to all input and output operations on that port Scanning Operation The scan operation in SCPI mode is different from that in 3488A mode In 3488A mode you only need to create a scan list then step through the scan list by repeatedly pressing Step However scanning in SCPI mode has more features refer to Figure 3 2 Front Panel Operation 43 Stop key Idle Scan key Contro
68. Per Module Maximum Overvoltage Transients Thermal Offset Per Channel Initial Closed Channel Resistance Relay Life Maximum Scan Rate DC ISOLATION with terminal block 40 200 V dc or ac rms 1 A dc or ac rms 20 A dc or ac rms 60 W dc 62 5 VA ac 1200 W dc 1250 VA ac N A 3yuV 0 50 Mechanical 10 at 36000 operations hour Electrical 5 x 10 1A load 80 Chans sec 10 250 V dc or ac rms 2 A dc or ac rms 20 A dc or ac rms 60 W dc 500 VA ac 600 W dc 5000 VA ac 1400 Vy 3 different or single ended 10 108 operations chan dry load of 300 mA amp 10 V 10 operations chan maximum rated load 43 Chans sec 20 250 V dc or ac rms 1A dc or ac rms 20 A dc or ac rms 60 W dc 125 VA ac 1200 W dc 2500 VA ac 1400 Vox 3 different or single ended 10 108 operations chan dry load of 300 mA amp 10 V 10 operations chan maximum rated load 43 Chans sec Open Channel Channel Channel with 1 channel closed Channel Chassis with 1 channel closed lt 40 50 RH gt 10109 lt 40 C 80 RH gt 109 o lt 40 C 50 RH gt 10109 lt 40 C 80 RH gt 109 o lt 40 C 60 RH gt 101 o lt 40 C 95 RH gt 109 Q lt 40 C 60 RH gt 5x10 lt 40 C 95 gt 1019 lt 40 C 60 RH gt 10119 lt 40 C 95 RH gt 109 o lt 40 C
69. T FIXTURE WIRING 5 v z Q oz 2 2 The line CHAN CLOSED only exists on the 44474 16 bit DIO for N2263A 32 bit DIO and N2264A 65A 16 bit DIO modules This line does not exist Figure 4 4 DIO Modules Test Fixture This fixture is applicable for the Agilent 44474A 16 bit DIO For Agilent N2263A 64A 65A the line CHAN CLOSED does not exist For Agilent N2263A 32 bit DIO the related data lines i e the first bit in ports 500 501 s02 and s03 and so on in each of the four 8 bit ports are connected together to simplify the data lines testing Tests Procedure The verification Tests for a DIO module consist of a Data lines input output tests b The CHAN CLOSED and PFLG EXT INC tests c The IO WR and PCTL RD tests Data Lines Input Output 1 Remove the wiring terminal block from the DIO module and install Tests Procedure the related test fixture onto it 2 Press Card Reset to reset the DIO module all the ports in this 1 The line Channel Closed is for the Agilent 44474A 16 bit DIO only 68 Verification Tests Note Chan Closed and PFLG EXT INC Tests Procedure IO WR and PCTL RD Tests Procedure 3 module should be input DIN Press Mon the display should be DIN 11111111 snn or DIN 255 snn where s slot number and nn is the related port number Write a binary 10101010 to any one of the 8 bit ports in order to open every other line and verify the data has been t
70. Technologies Company All Rights Reserved Documentation History All Editions and Updates of this manual and their creation date are listed below The first Edition of the manual is Edition 1 The Edition number increments by 1 whenever the manual is revised Updates which are issued between Editions contain replacement pages to correct or add additional information to the current Edition of the manual Whenever a new Edition is created it will contain all of the Update information for the previous Edition Each new Edition or Update also includes a revised copy of this documentation history page Rev satse ue emunt EIE January 2000 Rev gt B uA kd eet OSA eden dn dd eke December 2000 Rey ov sect redd sre teret aa ei adii ade den April 2002 Rey Deuce IU BB E ES March 2003 Rev Bret ee Uu EUM tera ee o sd etat March 2009 Safety Symbols Instruction manual symbol affixed to product Indicates that the user must refer to Ny Alternating current AC the manual for specific WARNING or CAUTION information to avoid personal Di DC injury or damage to the product irect current DC Indicates hazardous voltages Indicates the field wiring terminal that must be connected to earth ground before operating the equipment protects against Calls attention to a procedure practice or electrical shock in case of fault WARNING condition that could cause bodily injury or death Calls attention to a procedure p
71. VA ac 240 W dc 2000 VA ac 1400 Vy 3 uV differential 10 108 operations chan dry load of 300 mA amp 10 V 10 operations chan maximum rated load 43 Chans sec DC ISOLATION with terminal block Open Channel Channel Channel with 1 channel closed HI LO with 1 channel closed Channel Chassis with 1 channel closed lt 40 C 50 RH gt 1010 Q lt 40 C 80 RH gt 109 o lt 40 C 50 RH gt 1010 lt 40 C 80 RH gt 109 o lt 40 C 50 RH gt 1010 lt 40 C 80 RH gt 109 o lt 40 50 gt 1019 lt 40 C 80 RH gt 109 o lt 40 C 50 RH gt 1019 Q lt 40 C 80 RH gt 109 lt 40 50 RH gt 1019 lt 40 C 80 RH gt 109 lt 40 C 60 RH gt 10 lt 40 C 95 RH gt 109 lt 40 C 60 RH gt 1010 Q lt 40 C 95 RH gt 108 lt 40 C 60 RH gt 1010 o lt 40 C 95 RH gt 5 108 AC ISOLATION PERFORMANCE without terminal block Capacitance with 1 channel closed Open Channel Channel Channel HI LO Channel Chassis Insertion Loss 100 kHz with 500 termination 1 MHz 10 MHz Crosstalk 100 kHz with 50Q termination 1 MHz 10 MHz 7 pF 30 pF 50 pF 0 10 dB 0 20 dB 0 60 dB lt 73 dB lt 53 dB lt 28 dB lt 7 pF 25 pF 40 pF 0 10 dB
72. VE REMEDIES EXCEPT AS INDICATED ABOVE IN NO EVENT WILL AGILENT OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT SPECIAL INCIDENTAL CONSEQUENTIAL INCLUDING LOST PROFIT OR DATA OR OTHER DAMAGE WHETHER BASED IN CONTRACT TORT OR OTHERWISE FOR CONSUMER TRANSACTIONS IN AUSTRALIA AND NEW ZEALAND THEWARRANTY TERMS CONTAINED IN THIS STATEMENT EXCEPT TO THE EXTENT LAWFULLY PERMITTED DO NOT EXCLUDE RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU U S Government Restricted Rights The Software and Documentation have been developed entirely at private expense They are delivered and licensed as commercial computer software as defined in DFARS 252 227 7013 Oct 1988 DFARS 252 211 7015 May 1991 or DFARS 252 227 7014 Jun 1995 as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 Jun 1987 or any equivalent agency regulation or contract clause whichever is applicable You have only those rights provided for such Software and Documentation by the applicable FAR or DFARS clause or the Agilent standard software agreement for the product involved Trademark Information Visual BASIC Visual C Windows 95 and Windows NT are U S registered trademarks of Microsoft Corporation eee Agilent Technologies Agilent 3499A B C Switch Control System Service Manual Rev E Copyright 2009 Agilent
73. X OPEN 101 DIN 401 Note Open Close Read and Write keys are invalid if a slot instead of a channel is selected To demonstrate the following operations more easily and clearly we assume five modules have been installed in an Agilent 3499A mainframe The configuration is Slot 1 Agilent N2260A MUX module Slot 2 Agilent N2261A GP Relay module Slot 3 Agilent N2262A Matrix module Slot 4 Agilent N2263A Digital I O module Slot 5 Agilent N2260A MUX module Local Remote Control When power up the instrument is in local mode All keys on the front panel are fully functional When receiving any command from the remote interface the instrument automatically switches to remote mode ADRS and RMT annunciators light up all front panel keys are locked except the keys Local Mon View Enter the two arrow keys and the knob Local and Shift use the same key While in local mode it is used as Shift key While in remote mode the RMT annunciator turns on it is used as Local key To Monitor a Channel or a Slot In a switch control system it is necessary to acquire confirm and continuously monitor the current status of a particular switching channel a 34 Front Panel Operation digital I O port or an entire plug in module Agilent 3499A B C provides you the ability to achieve the above ROD Press Mon the MON annunciator lights up Select the slot or the channel port to be monitored Press
74. a menu operation if no key is pressed within 30 seconds or an invalid key is pressed the instrument will exit the operation 1 Also applicable to keys Card Reset Scan and S List Front Panel Operation 31 Front Panel Overview The Agilent 3499A B C can be operated in either SCPI mode or 3488A mode All the operations demonstrated in this chapter apply to both modes unless specifically indicated 9 9 0 3499B Mi Agilent SwircncoNTROL SYSTEM Reset Stop Card Reset Mon Sean oven Read Store Power Recall View Step Close Write I Local Clear Shift Mode s tist Enter V e Note 1 The keys Labelled with do 7 04 5 guide you through menus to configure various parameters of the instrument The details on these menus operation are demonstrated later in this chapter 2 The keys Labelled with 2 GOLA 12 and are double function keys See the next page for the rules of their operation 1 Power on standby 14 a Enable S List menu to 2 a Reset a module Create scan list b Reset instrument Select arm source 3 Shift Local key Select arm count 4 Recall instrument state Select trigger source b Store instrument state Set channel delay time 5 Monitor a channel port module b Clear scan list 6 Openrelay channel 15
75. able disable SRQ 53 enable disable trigger out pulse 50 error message summary 122 errors viewing clearing 38 errors self test 126 external trigger 3488A mode built in TRIG IN TRIG OUT specifications 2 configuration 50 EI CC specifications 12 external trigger SCPI mode built in TRIG IN TRIG OUT specifications 2 configuration 50 EI CC specifications 12 F firmware revision 55 front panel general information 32 pictorial overview 32 front panel display annunciators 33 general description 33 in monitoring mode 35 pictorial overview 32 G GPIB IEEE 488 address selection 53 enable disable SRQ 53 interface selection 53 initiate scanning 47 install module into mainframe 22 Index 239 instrument firmware revision 55 local remote state 34 mounting onto rack 24 power on failure 22 power on process 22 power on state setting 52 serial number 55 state storage 37 system mode selection 54 interface GPIB IEEE 488 address selection 53 enable disable SRQ 53 interface selection 53 interface RS 232 baud rate 53 data bits 54 flow control 54 parity 54 K keyboard pictorial overview 32 maintenance read relay count 40 Menu key operation configure external trigger 50 configure power on state 52 configure remote interface 53 firmware revision query 55 perform self test 54 serial number query 55 system mode setting 54 Menu key structure in 3488A mode 48 in SCPI
76. ata out of range The data for some commands is invalid Example SOUR DIG DATA BYTE VAL 266 valid data should be 0 255 1 Up to 50 instrument setups can be stored under Firmware REV 4 0 or later and 10 setups under Firmware REV 1 0 2 0 3 0 Error Messages 125 112 113 114 115 116 201 202 203 204 205 206 207 208 300 501 502 503 Not able to perform requested operation The requested operation is not valid for the instrument Example FUNC 3 BIWIRE2 the module in Slot 3 is not an Agilent N2260A Block name not exist In an Agilent 3499 A B C maximum two blocks can be defined The two defined blocks can be read and written etc If you read or write a block that has not been previously defined this error occurs Block name already exist The instrument has detected a defined block name while you are to define it once more Two Blocks already exist The instrument has detected two defined block names while you are to define them once more Channel number out of range The specified channel number is invalid for the module in the selected slot The channel number has the form snn where s is the slot number and nn is the channel number Example ROUT CLOSE 9156 Scan list is empty Scan initiated Scan init ignored Trig ignored Hardware trigger too fast Too many channels Card in use N2282A execution error Unable to execute this command in local mode RS232 data receiving error
77. ated in this way Correction during Step 8 one or more relays did not close as described a problem exists either in the Controller board or the related MUX module Replace this MUX with another same one and perform the tests as described above to isolate the problem If during step 8 the appropriate relays closed but one or more of the resistances were higher than 1 the corresponding relay s are defective If a MUX module is defective replace it with a new one the relays are not replaceable parts refer to Chapter 6 on Page 85 for more information GP Relay Modules Verification Tests The GP Relay modules available with an Agilent 3499A B C include a Agilent N2261A 40 channel GP Relay module a Agilent 44471A 10 channel GP Relay module a Agilent 44471D 20 channel GP Relay module Agilent N2264A Multifunction GP function a Agilent N2267A 8 channel High Current GP module Test Fixture The test fixture can be constructed by configuring the related GP Relay module s removable wiring terminal block as shown in Figure 4 2 TO GP RELAY A ies SYY MYYN a MMY eee Q Q eee amp amp amp HIL H HL WIRING TERMINAL BLOCK E TEST e eU FIXTURE WIRING Figure 4 2 GP Relay Modules Test Fixture The fixture contains A short circuit between all of the low L lines TP1 A short circuit between all of the high lin
78. ation Tests 73 Agilent 44478A B Verification Tests Agilent 44478A B consists of two 4 to 1 MUXs Group 00 amp Group 10 that can switch signals bidirectionally Each group has a separate ground for isolation between groups and this ground is unswitched Figure 4 7 To verify that the relays in each group are functioning verify continuity between the center conductor of the common BNC and each channel s BNC center conductor when that channel is closed If no continuity exists verify that a relay is stuck open and continuity exists from the channel s BNC center conductor and the channel s associated SMB J101 J110 center conductor when the channel is open Q J101 Q 3 Lam Sol Co j CHOO 5 ey LI O ET O4 O CH01 0 Ve 3102 On V3 ad C JCOM00 gt GROUP 00 O J104 Ge V3 AN GHO CH02 pss 6 C p OD CH03 om O J105 3 2106 Oy Y 4 ES SMB CONNECTOR 4 L0 CH10 gt Ea tO h OE O CH11 to h J107 Ov VA a to COM10 gt GROUP 10 _ K e F O g109 Og VA OR Ot cH12 lige 2 re Ot CH13 n Ve T J110 V A Va TYPICAL CHANNEL RESISTIVE TERMINATIONS 3 FOR 44478A R 50Q FOR 44478B R 75Q O y Chxx to hd Figure 4 7 Agilent 44478A B Simplified Schemat
79. ays did not close as described a problem exists either in the Controller board or the related Matrix module Replace this Matrix with another same one and perform the tests as described above to isolate the problem If during Step 8 the appropriate relays closed but one or more of the resistances were higher than 19 the corresponding relay is defective If the Matrix module s is defective replace it with a new one the relays are not replaceable parts refer to Chapter 6 on Page 85 for more information Digital I O Modules Verification Tests Four digital I O DIO modules are available with the Agilent 3499 A B C a Agilent 44474A 16 bit DIO module a Agilent N2263A 32 bit DIO module a Agilent N2264A Multifunction module 16 bit DIO Function Agilent N2265A Multifunction module 16 bit DIO Function a Agilent N2269A Multifunction module 16 bit DIO Function Test Fixture The test fixture can be constructed by configuring the related DIO module s removable wiring terminal block as shown in Figure 4 4 Verification Tests 67 TO DIO MODULE N rl Tr LS MM LLL I WIRING TERMINAL BLOCK I I Ic irIc c c c ic nr I IT I I le gt Injo a s RER a si 2 z 4 0 gt 2 m D Q x lt 4 CD z TES
80. boot Cable Boot STEP 4 Replace cover A Hook the top cover tabs onto the fixture B Press down and tighten screws Figure 6 23 Type C Screw Terminal Block Wiring Plug in Modules Wiring Information 115 Crimp and insert Terminal Block Agilent N2296A is a crimp and insert terminal block for Agilent N2260A N2261A N2262A N2263A N2264A and N2265A It provides a flexibility for connecting the above modules to external devices The wiring procedure for the Agilent N2296A is shown in Figure 6 24 STEP 1 Remove cover STEP 2 Attach wires A The wire gauge 18 26 AWG A Release screws on top of ihe cover B hsert wire into a contact on the 96 pin DIN B Press tab forward and release connector and tighten Note The cover with two screws on both sides is the bottom cover the other is the top cover STEP 3 Tighten the wires STEP 4 Replace cover A Hook the top cover tabs onto the Bottom cover B Press down and tignten screws A Insert the wires into the nearest cable boot move the cable bod to the cable sot B Tighten the cable boot Note The label on the 96 pin DIN connector must be toward you Figure 6 24 Crimp and Insert Terminal Block Wiring 116 Plug in Modules Wiring Information Connector Kits Agilent N2327A is a Connector Kit used for Agilent N2267A High Current GP module and Agilent N2320A is for Agilent N2270A High Voltage MUX module The W
81. cycle count can be queried from the front panel refer to Front Panel Operation on Page 31 for the operation It is recommended that the switching module can be replaced with a new one if the relay cycles of the switching relay s on this module exceed the relay life Refer to Specifications on Page 1 for more information MUX Modules Verification Tests Test Fixture 62 Verification Tests The following MUX modules can be tested in a similar way a Agilent N2260A 40 channel MUX module a Agilent 44470A 10 channel MUX module Agilent 44470D 20 channel MUX module a Agilent N2266A 40 channel MUX module Agilent N2268A 50Q 3 0GHz Dual 1 to 4 MUX module a Agilent N2270A 10 channel High Voltage MUX module a Agilent N2272A 1GHz RF 1 to 9 MUX module In order to perform the Operation Verification Tests fora MUX module a test fixture is required and it can be constructed by configuring the related MUX module s removable wiring terminal block as shown in Figure 4 1 TO MUX MODULE 5 MMMM A Y Y MMY M ONTOS ON amp WG 0000 0 0 000 eee SOSO H LIHLIHLI HI L H L HIL WIRING z z z z z TERMINAL BLOCK i i i LJ Li 1 TEST 2 COM Eee WIRING Figure 4 1 MUX Modules Test Fixture The fixture contains A short circuit between all of the low L lines TP1 a short circuit between all of the high lines TP2
82. d output operations on the same port refer to Mode Key Operation on Page 40 To Write to a Digital I O Port To write data to the built in digital I O port bits 090 094 or any one of the 8 bit ports on a digital I O you need to 1 Select a digital I O port to be written to DIN indicates that the last operation on the port is a READ DOUT a WRITE DIN 401 2 Press Write the data from the last operation READ or WRITE on the selected port will be displayed and DOUT is displayed to indicate the port is now an output port DOUT 255 401 36 Front Panel Operation 3 Edit the value Press the two arrow keys to select the to be edited bit in dim turn the knob to modify the value DOUT 254 401 4 Press Enter to output the data to the selected port or press Write again to cancel the current write operation To Store an Instrument State The Controller board in Agilent 3499 A B mainframe has two types Controller board Version 1 0 and Version 2 0 Agilent 3499C always has a Controller board of Version 2 0 Firmware of Agilent 3499A B C mainframe currently has 4 revisions REV 1 0 REV 2 0 REV 3 0 and REV 4 0 Firmware REV 1 0 2 0 3 0 runs under Controller board Version 1 0 and REV 4 0 runs under Controller board Version 2 0 The current instrument setup can be stored for future convenience The stored setups can be recalled directly or included in a sca
83. de eee electi inp oe ee ee 80 Plug in Module Substitution seen eene nennen 81 Mainframe Problem 1 1 81 Power Supply kateket vea Adda 81 Contents 3 4 Contents Controller iret Sek Se att hited a Oe iet muet eue 82 Keyboard amp Display dicitnr e EDS teer pec ed 82 ipe nim ED PEE 83 Chapter 6 Replaceable Parts x 85 Introduction ius ere e Ree Tee ioter idan david 85 Agilent 3499A B C Disassembly Assembly Procedures ee 85 3499A B Disassembly Procedures rrrsnnnnvvnnvrrvrnrvranenrrenernvennnenvrnnenenenesevssensenene 85 3499A B Assembly Procedures esee eene 89 3499C Disassembly Procedures eese 90 3499C Assembly Procedures eese eene enne nennen 91 Agilent 3499A B Mainframe Replaceable Parts esee 92 Agilent 3499C Mainframe Replaceable Parts eee 94 Plug in Modules Replaceable Parts essen 95 Mechanical Kits d 4 amp 2 eR e ope bre pte re eee den 97 Mechanical Kits Eee ete 98 Mechanical Kits 4 amp 5 Wette ten d kresne 99 Mechanical Kits eee tee e Re OR ER ies 101 Mechanical Kits 7 t te te tet ert ee shoes 102 Mechanical Kits inen eie ete eitis ite eode e
84. disconnected Use anti static handling techniques during the Verification Tests Mainframes Self Test Self Test 60 Verification Tests The Agilent 3499A B C mainframe s self test verifies the operation of the front panel circuitry and a part of the micro processor related circuitry ROM etc on the Controller board In addition GPIB amp RS 232 circuitry on the Controller board can also be verified with self test The self test does not however assess the operability of the backplane or the drivers contained in the mainframe The operability of the backplane or the drivers will not be tested until the individual plug in modules tests are performed It is important to remember that if the self test passes it does not in itself ensure proper instrument operation A self test failure however does indicate an instrument malfunction To perform a self test Press Menu turn the knob to SELFTEST then press Enter The self test should start by turning on all display segments Following the display test the internal tests are performed If all internal tests pass PASSED will be displayed Otherwise the reason of the failure will be displayed see the Table below Table 4 1 Error Number Description 1 ROM test failed 2 GPIB test failed Correction Table 4 1 Error Number Description 3 RS 232 test failed 4 Front panel test failed
85. e 103 MechanicalKits 0 c Ic tel eee ee ede er dee ape 104 Mechanical Kits TO GS 105 Mechanical Kits 11 ner prn o eb esto e a aeris 106 Mechanical Kits 12 5 ase eterne ie PEE oe Ene s 107 Mechanical Kits 13 sa e te etre T tette a Tet e 108 Mechanical Kits Tirim nen t ee EP HERE a e ree eie 109 Appendix A Plug in Modules Wiring Information cc eee sette easet se 110 BNC and SMA Connection niece Ie ee eot ce e eee enero ei ete ad 110 Screw Terminal Blocks eet Ad aet teer ede ni eee te e eerte eer eeu en 110 Crimp and insert Terminal Block eese 116 Connector Kits etim itis iii tesi 117 Agilent N2327A Wiring Sequence esee nennen enne 117 Agilent N2320A Wiring Sequence eese rennen 118 DIN TOD Cables 5 119 Appendix B du ciu RC 122 SCP MODE sus terme P EN Ee HERE UP HR CU et 122 In 3488 ACM Ode nestledere knert Ga hee E 128 Appendix C Schema ics Me 129 Chapter 1 Specifications General Information The Agilent 3499A B C Switch Control System is composed of three mainframes and a set of plug in modules This chapter lists the specifications of the three Agilent 3499A B C mainframes and all the plug in modules These include Agilent 3499A B C Mainframes Specifications Page 2 Multiplexe
86. e display should light up briefly The internal self test will begin following this starburst display 4 If the self test passes the default system mode and the GPIB address are displayed together with a beep sound Then the display shows the instrument model number If the instrument failed the self test contact your nearest Agilent Technologies Sales Office 1 Verify that the power cord is firmly plugged into the power receptacle on the rear panel of the instrument 2 Make sure that the power source the instrument is plugged into is energized 3 Verify that the instrument is turned on If the instrument DOES NOT turn on after you perform the above procedure contact your nearest Agilent Technologies Sales Office Module Installation WARNING Caution Module Installation 22 Getting Started Only qualified personnel should install or remove the plug in modules into or from an Agilent 3499A B C mainframe Make sure to disconnect the power cord from the back of the mainframe prior to installing or removing any modules Use anti static procedures when configuring installing or removing any plug in modules To prevent contamination to the modules that could degrade performance handle the modules by the side edges or shields only Do not touch the board surfaces or components Upon receipt of an Agilent 3499 A B C mainframe the plug in modules you ordered were not installed in the main
87. e problem The three Microwave Switches are replaceable parts if any one of them is defective replace it with a new one If the drive circuity or drive relays are defective replace the Agilent 44476A B with a new one with the exception of the Microwave Switches if they are functioning Agilent N2276A B Verification Tests Since Agilent N2276A B has similar style with 44476A B please refer to Agilent 44476A B s Verification Tests Agilent 44477A Verification Tests 72 Test Fixture Tests Procedure Verification Tests Agilent 44477A contains seven independent single pole double throw SPDT Form C relays When a channel is open the normally closed NC will connect to the common C When a channel is closed the normally open NO will connect to the common C A test fixture can be configured by connecting all relay commons C together at TP1 all normally open NO contacts at TP2 and all normally closed NC contacts together at TP3 with an Agilent 44487A screw terminal block To verify that all relays are functioning properly you must a Verify that each relay can close the normally open NO contact b Verify that each relay s normally closed NC contact operates properly TO 44477A Q Q Q Q Q Q Q T T T T T T T os m Ww E aa ah ac l j je 8 e 8 a ie 18 14 e 6 j o 18 8 l 01 1
88. eceseeseeeeseseaeeeseeeaaes 67 Test Fixture ione ener e elec tree oe 67 Tests Procedure de te 68 Correction ses sene tete tei ede drehte oie 70 Agilent 44472A Verification 70 Tests Proced re Suse t tire ESR QU 70 E E EE 70 Agilent 44476A B Verification ener 71 Tests Procedure iot tette e re iei et vv bee TER US 71 e Uere ie be rte etit uite Ns Seed 72 Agilent 44477A Verification Tests cessent nennen 72 Test Fotevik Es 72 Tests Procedure aee ere en c c eed ee ced 72 COFFGCLOTIS rir rte t treten etn famen tret petra te ATTE 73 Agilent 44478A B Verification eene nennen 74 Tests Procedures code te e rnv ted E e cvs tros 75 Correction 75 Agilent N2280A 81A 82A Verification Tests essere 76 Test Proced re orare e p Ve ETHER TQUE 77 mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmcmmmmmmicmiiin 77 Chapter 5 O a A E a E AE E E 79 Introductionis cierto beber tet oti ep eta eade EHE D EEES 79 Safety Considerations 4 ite de etes i aede cedet 79 Static Hanan oes dede unde 79 Agilent 3499A B C Problem Isolation oennrnnreronrronensnvnenenenvnrnreenrnsvrasnvnsnvnsnensnvesssesen 80 Preliminary Iests ae
89. equivalent to new in performance or may have been subject to incidental use 5 The warranty period begins on the date of delivery or on the date of installation if installed by Agilent If customer schedules or delays Agilent installation more than 30 days after delivery warranty begins on the 31st day from delivery 6 Warranty does not apply to defects resulting from a improper or inadequate maintenance or calibration b software interfacing parts or supplies not supplied by Agilent c unauthorized modification or misuse d operation outside of the published environmental specifications for the product or e improper site preparation or maintenance 7 TO THE EXTENT ALLOWED BY LOCAL LAW THE ABOVE WARRANTIES ARE EXCLUSIVE AND NO OTHER WARRANTY OR CONDITION WHETHER WRITTEN OR ORAL IS EXPRESSED OR IMPLIED AND AGILENT SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OR CONDITIONS OF MERCHANTABILITY SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE 8 Agilent Technologies will be liable for damage to tangible property per incident up to the greater of 300 000 or the actual amount paid for the product that is the subject of the claim and for damages for bodily injury or death to the extent that all such damages are determined by a court of competent jurisdiction to have been directly caused by a defective Agilent product 9 TO THE EXTENT ALLOWED BY LOCAL LAW THE REMEDIES IN THIS WARRANTY STATEMENT ARE CUSTOMER S SOLE AND EXLUSI
90. es TP2 64 Verification Tests With the test fixture installed and a Multimeter i e an Agilent 34401A connected between the shorted low lines TP1 and the shorted high lines TP2 the GP Relay module is tested by successively closing each relay while checking for an indication of the closure on the Multimeter Tests Procedure To perform the Operation Verification Tests Remove the wiring terminal block from the GP Relay module Install the related test fixture onto the GP Relay module Set the Multimeter to measure resistance Zero the Multimeter Press Mon and specify the slot occupied by the GP Relay module Press S LIST and specify all channels to be scanned Connect the Multimeter between TP1 amp TP2 on the test fixture Figure 4 2 7 Press Card Reset to reset the GP Relay module the Multimeter should indicate that all relays are open very high resistance or overload indication QNO RES DS Note Ifthe Multimeter is indicating a very low resistance one or more of the relays is remaining closed You need to do more tests to isolate the clumsy damaged relay s 8 Successively press Step while observing the displays on the Agilent 3499A B C and the Multimeter The Agilent 3499A B C s display should show a number corresponding to the closed relay The clumsy damaged relay s can be isolated in this way Correction if during Step 8 one or more relays did not close as described a problem exists either
91. ffset Initial Closed Channel Resistance Relay Life Maximum Scan Rate 80 1 wire or 40 2 wire or dual 20 2 wire or 20 4 wire 200 V dc or ac rms 1 A dc or ac rms 2A dc or ac rms 60 W dc 62 5 VA ac 120 W dc 125 VA ac N A 3yuV 10 Mechanical 10 at 36000 operations hour Electrical 5 x 10 1A load 80 Chans sec 10 2 wire 250 V dc or ac rms 2 A dc or ac rms 2 A dc or ac rms 60 W de 500 VA ac 60 W dc 500 VA ac 1400 Vox lt 3 uV differential or single ended 10 20 2 wire 250 V dc or ac rms 2 A dc or ac rms 2 A dc or ac rms 60 W dc 125 VA ac 60 W dc 125 VA ac 1400 Vpx lt 3 uV differential or single ended 10 108 dry load of 300 mA amp 10 V 10 maximum rated load 43 Chans sec 43 Chans sec DC ISOLATION with terminal block Open Channel Channel Channel with 1 channel closed HI LO with 1 channel closed Channel Chassis with 1 channel closed 10100 gt 1090 lt 40 C 50 RH lt 40 80 gt 10100 1090 40 C 50 RH 40 C 80 RH 10100 1090 40 C 50 RH lt 40 C 80 RH lt 40 C 60 RH gt 101 Q lt 40 C 95 RH gt 10 Q lt 40 C 60 RH gt 10190 lt 40 C 95 RH gt 108 Q lt 40 C 60 gt 1019 Q lt 40 C 95 RH gt 5x108 Q lt 40 C 60 RH gt 10 Q lt 40 C 95 RH
92. fication Tests rsesrrsevernernevnnvenvenennvennennnnenennennennnsnnsenennennnennnnnnsevennsneenensensenevneneenene 59 About This Chapters ete IH Ea 59 General Information ua itr eth bei dh cie teet e nte 59 Maintrames Selt Test i e ecd tee ir p Rn eua 60 SelIsTest dikene 60 eod va ME 61 Mainframe Verification Tests essent nennen nnne 61 GPIB Set Leu et 61 R S 232 KciimmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmrcymmaH 61 Keyboard Test e eR de PRECOR des 62 COTE CON Hise sn tti dt ated te hebt ec tee e Eee os 62 Relay Cycle Counte iege pen taeda niei aspe uel 62 MUX Modules Verification Tests sess nnne nnn nn nnns 62 Test BIXLUEFes em Ate C E RR PEE CERRAR 62 T sts Procedure he hea Rh Raa 63 Corrections aa te RPE nn eR Rr TUE 64 GP Relay Modules Verification Tests esonvnnnrronrnonvnenvnrnvnrnrnrenererasensrnvrrsneennensnvesnseee 64 Test BIXCUEFe S hr dates rad Pre bri ER IS 64 Tests Procedure vrakes 65 Comecon ini nette tete tet ret qu OC RET e eet tue en etg eat 65 Matrix Modules Verification Tests ccccccccccccecssscecesceseeessseceeceecesssseseeceeceeeessaeees 65 Test Fure 2st teet idet eller pagw ested cobs UR GS EHE RE 65 Tests Procedure oC Oe erected 66 Correction td aceto oo LEER SE Tees 67 Digital I O Modules Verification Tests 00 0 0 ces ceeceeeseeeeseeeseeceseces
93. frame In addition the terminal block s and or the cables ordered for wiring external test circuits are also separated from your modules Figure 2 1 on Page 23 shows the procedure to install a plug in module into the mainframe 3499B as well as to attach a screw terminal block onto the module For 34994 the installation procedure is the same as in 3499B For the details about screw terminal blocks crimp and insert terminal blocks and or DIN to D cables wiring see Plug in Modules Wiring Information on Page 110 STEP 1 1 Hold the sides of the module component side down by the metal shields 1 Face the mainframe rear panel towards you 2 Insert the module into the slot guides and slide the 2 Select a slot in which the module is to be installed module towards the front of the instrument 3 Push firmly until the module snaps into place 4 Push both plastic levers inward to lock the module STEP 3 Optional STEP 4 Optional 1 Wire the screw terminal block module dependent 1 Push firmly until the terminal block snaps into place 2 Lock the screw terminal block with the two screws 2 Attach the screw terminal block onto the plug in module Torque lt 8 in Ibs Figure 2 1 Module installation Module Removal remove a plug in module from an Agilent 3499A B C mainframe reverse the procedures above Getting Started 23 Operating the Instrument Channel Addressing An Agi
94. gt 5x10 Q lt 40 C 60 RH gt 5 1019 Q lt 40 C 95 RH gt 10 Q lt 40 C 60 RH gt 5 1019 Q lt 40 C 95 RH gt 10 Q AC ISOLATION PERFORMANCE without terminal block Capacitance with 1 channel closed Open Channel Channel Channel HI LO Channel Chassis Insertion Loss 100 kHz with 50Q termination 1 MHz 10 MHz Crosstalk 100 kHz with 50Q termination 1 MHz 10 MHz 7 pF 2 wire 75 pF 2 wire 150 pF 2 wire 7 pF dual 2 wire 45 pF dual 2 wire 90 pF dual 2 wire 0 10 dB 0 20 dB 1 50 dB lt 70 dB 2 wire 50 dB 2 wire lt 30 dB 2 wire 40 dB 1 wire 25 dB 1 wire N A 1 wire lt 5 pF 27 pF 80 pF 0 20 dB 0 25 dB 0 50 dB lt 73 dB lt 53 dB lt 33 dB lt 7 pF lt 27 pF lt 80 pF lt 0 20 dB lt 0 25 dB lt 1 20 dB lt 73 dB lt 53 dB lt 31 dB a With chassis of all instruments connected and with the Low Terminal of the input connected to the Low Terminal of the output either directly or via Agilent 3499A B C switching channels Specifications 3 ITEMS SPECIFICATIONS Agilent N2266A Agilent N2268A Agilent N2270A INPUT CHARACTERISTICS Total Channels Terminal Terminal or Terminal Chassis Maximum Voltage Maximum Current Per Channel Per Module Maximum Power Per Channel Per M
95. i et e le c eee 22 Module Removal 3 n nte pi Hove pete 23 Operating the Instrument suverene en ep aee CEU epe Res feed 24 Channel Addressing ssrin iain eng rane teo pe eet dg 24 Basic Front Panel Operation eese enne a 27 To Rack Mount the Agilent 3499A B C sese eee 28 To Mount an Agilent 3499A 28 To Mount an Agilent 3499B 4 29 To Mount n Agilent 3499C esso ee ee b e Spe dete beg uen 30 Contents 1 2 Contents Chapter 3 Front Panel Operation eene e ecctee ee eccr nee eere nece r ae aee ec aae no CE Te eror E 31 About This Chaptet 5 52e RTI e coe ep ere etait 31 Eront Panel QVervieW sete tete hve d ate tanta e 32 Display step ee oiu 33 Channel Addressing eame ete npe ee de ee et 33 Channel Slot Selection ru eerie e Eee eR eei 33 Local Remote Controls erede eee pide 34 To Monitor a Channel or a Slot nennen 34 To Close or Open a Charnnel te ce tp e eet es engen 36 To Read from a Digital I O Port essent 36 To Write to Digital VO Port ie a a a de 36 To Store an Instrument State neiesten eni i baa e r iaeiae ed a ais 37 To Recall an Instrument State esee enne nennen 38 View Key Operations
96. ic 74 Verification Tests Tests Procedure verify that the relays in each group are functioning Correction Remove any external wiring from the Agilent 44478A B connectors Reset the Agilent 44478A B and press Mon Create a scan list including all the channels on an Agilent 44478A B Connect the Multimeter between the center conductor of the COM 00 connector and the center conductor of the channel under test start with CH 00 The Multimeter should indicate the channel is open very high resistance or an overload indication 5 Press Step the Multimeter should display a resistance of less than 10 6 Repeat Steps 4 amp 5 for Channels 01 02 and 03 7 Connect the Multimeter between the center conductor of COMM 00 connector and the center conductor of the channel under test start with CH 10 The Multimeter should indicate the channel is open 8 Press Step the Multimeter should display a resistance of less than 10 9 Repeat Steps 7 amp 8 for Channels 11 12 and 13 hee If during Steps 4 amp 7 one or more relays does not function a problem exists either in the Controller board or in the Agilent 44478A B Use a functional Agilent 44478A B and perform the same tests to isolate the problem If during Steps 5 amp 8 the resistance when the channel is closed is more than 1Q one or more relays on this channel is defective Replace the Agilent 44478A B with a new one in this case Verification Test
97. ilent 44476A s with the exception of that the three Microwave modules 33311B are not installed Tests Procedure perform the Verification Tests for an Agilent 44476A B 1 Reset the module Agilent 44476A B and press Mon 2 Using the Multimeter verify continuity between the Channel 00 center conductor of the common port C and center conductor port 1 1 For an Agilent 44476B you must determine which ports should have continuity for Channel 00 and verify it 3 Verify there is no continuity between the common port and ports that should not be connected to the common port Verification Tests 71 Correction 4 Repeat Steps 2 amp 3 to verify the other channels Close all the channels on the Agilent 4476A B 6 Verify continuity between the Channel 00 center conductor of the common port and center conductor of port 2 For an Agilent 44476B you must determine which ports should have continuity for Channel 00 and verify it 7 Verify there is no continuity between the common port and port of channel 00 For the Agilent 44476B you must determine which ports should not have continuity and verify they do not 8 Repeat Steps 6 amp 7 to verify other channels EA If a Microwave Switch does not function properly you must determine if the problem is caused by the drive circuity or drive relays K901 K902 or K903 Use another same functional Microwave Switch and perform the same tests as described above to isolate th
98. in other slot a mainframe failure is indicated if the module still fails try a known good module If the known good module does not function properly a mainframe failure is indicated if the module does function properly a failure in the suspected module is indicated Mainframe Problem Isolation Power Supply Once an Agilent 3499 A B C mainframe is suspected of a failure the problem may be further isolated within the mainframe to a particular assembly Isolating a problem within a mainframe requires that the Agilent 3499A B C mainframe be disassembled A disassembly procedure is given in the next Chapter refer to Replaceable Parts on Page 85 There are four main electronic assemblies within an Agilent 3499A B C mainframe These include The Power Supply The Controller The Keyboard amp Display The Backplane MU ous The Power Supply assembly is located behind the keyboard There are three connectors on it J1 through J3 J1 is connected to the ac power line and J3 is the safety ground terminal J2 is connected to the mainframe s backplane which provides a set of voltages dc to the Controller board and the plug in modules To determine if the power supply is functioning properly 1 Make sure the ac power line are connected properly and the fuse 3 15 A 250 V ac on the pc board is well 2 Power on the instrument and measure the voltage between Pin 4 or Pin 5 and Pin 1 or 2 3 6 3 If the voltages are c
99. input connected to Low Terminal of the output either directly or via Agilent 3499A B C switching channels 8 Specifications Agilent N2267A GP The specifications of Agilent N2267A are listed in the table below Module ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Total Channels Maximum Switching Voltage Maximum Switching Current Maximum Switching Power Thermal Offset Initial Closed Channel Resistance Relay Life Maximum Scan Rate Terminal Terminal or Terminal Chassis Per Channel Per Module Per Channel Per Module Per Channel Mechanical Electrical 8 250 VAC 125 VDC 8A 64A 2000 VA 150 W 16000 VA 1200 W 3uV lt 0 08Q 5 x 107 at 180 cpm 105 20 Channs sec DC CHARACTERISTICS Open ChannelL lt 40 C 50 RH 1019 Q with 1 channel closed 40 C 80 RH 109 Channel Chassis lt 40 C 50 RH 1019 Q with 1 channel closed 40 C 80 RH 2109 9 AC CHARACTERISTICS Capacitance with 1 channel Open Channel Channel Channel 10 pF closeed Channel Chassis 10 pF Insertion Loss with 50 2 100 kHz 0 10 dB termination 1MHz 0 20 dB Crosstalk with 50 2 termination 100 kHz 75 dB 1 MHz 55 dB Environmental Conditions Operating Pollution Degree 2 Operating Altitude Measurement Category Operating Temperature Operating Humidity 3000 meters 10 000 ft I 1500 Vpk transient 500 V over voltage transient
100. iring Sequence of the two Connector Kits are illustrated below Agilent N2327A Wiring Sequence Step 1 Stripped wire 14 18 AWG Socket M am A Prepare the Wire and the Socket _ gt B Insert the Wire into the Socket lt Crimp the Wire with the Socket by using an AMP Hand Crimping Tool 90067 5 or an equivalent tool Step 2 n Line Connector Insert wired Socket into the Connector To the N2267A module JS gt a Figure 6 25 Agilent N2327A Connector Kit Wiring Sequence Plug in Modules Wiring Information 117 Agilent N2320A Wiring Sequence Step 1 Stripped wire 20 24 AWG Socket BM A Prepare the Wire and the Socket a B Insert the Wire into the Socket or C Crimp the Wire with the Socket by using an AMP Hand Crimping Tool 90067 5 or an equivalent tool Step 2 Release the four screws and uncover the upper metal shield Upper metal shield Rear view etal strain relief clamp Front view Step 3 Insert wired Socket into the Receptacle Replace the metal shield and tighten relevant screws Plastic isolation tube The strain relief clamp can be used to tighten wires with additional insulation around them Additional insulation should be used around the wires to prevent possible damage caused by the strain relief clamp Figure 6 26 Agilent N2320A Connector Wiring Sequence 118 Plug in M
101. le Group 0 500 501 502 503 Group 1 510 511 512 513 Same as in SCPI mode Agilent 44473A 4 x 4 Matrix Module Row 0 1 2 3 Column 0 1 2 3 500 501 502 503 10 11 512 13 520 521 522 523 530 531 532 s33 Same as in SCPI mode Agilent 44474A 16 Bit Digital I O Module Individual Bits 500 501 502 514 515 8 Bit Ports 500 s01 16 Bit Port 500 Individual Bits 500 501 502 514 515 8 Bit Ports 500 501 16 Bit Port 502 Agilent 44475A Breadboard Module N A N A Agilent 44476A 3 Channel 13 GHz Microwave 500 s01 s02 Same as in SCPI mode Switch Module Agilent 44476B 2 Channel 26 GHz Microwave 500 s01 Same as in SCPI mode Switch Module Agilent 44477A 7 Channel Form C Relay Module 500 s01 502 503 504 505 s06 Same as in SCPI mode 24 Getting Started Table 2 1 Plug in Modules Channel Addressing Agilent P N Descriptions Channel Addressing snn s Slot Number nn Channel Number SCPI Mode 3488A Mode Agilent 44478A B 50 75 W 1 3 GHz MUX Module Group 0 s00 s01 s02 s03 Group 1 510 s11 512 513 Same as in SCPI mode Agilent N2260A 40 Channel MUX Module 1 Wire Mode s00 501 578 5791 2 Wire Mode 500 s01 538 s39 Dual 2 Wire Mode s00 s01 538 s39 4 Wire Mode 500 s01 s18 519 500 s01 538 39 Agilent N2261A 40 Channel GP Relay Module
102. lent 3499 A B C Switch Control System can be easily operated from the front panel or programmed with SCPI in SCPI mode or 3488A in 3488A mode commands over the remote interface The following sections are only intended to show some basic front panel operation For more information about the front panel operation refer to Chapter 3 Front Panel Operation starting from Page 31 In Agilent 3499A B C Switch Control System a channel refers to an individual relay on a switching module or an individual bit port on a digital I O module The channel address is in the form of snn where s represents slot number Slot 0 refers to the mainframe controller board s 1 2 for an Agilent 3499B s 1 5 for an Agilent 3499A or s 1 9 for an Agilent 3499C nn represents channel number module dependent see Table 2 1 Table 2 1 Plug in Modules Channel Addressing Agilent P N Descriptions Channel Addressing snn s Slot Number nn Channel Number SCPI Mode 3488A Mode Agilent 44470A 10 Channel MUX Module 500 s01 502 503 508 509 Same as in SCPI mode Agilent 44470D 20 Channel MUX Module 500 501 502 503 518 19 Same as in SCPI mode Agilent 44471A 10 Channel GP Relay Module 500 s01 502 503 508 509 Same as in SCPI mode Agilent 44471D 20 Channel GP Relay Module 500 501 502 503 518 19 Same as in SCPI mode Agilent 44472A Dual 4 Channel VHF Modu
103. lent 3499 A B C can store up to 10 errors in the error queue Once an error occurs the ERROR annunciator turns on To view the errors press View turn the knob until ERROR is displayed press Enter to view the error Refer to Appendix B Error Messages starting from Page 122 for more error messages Note In SCPI mode the instrument will display NO ERROR for a little while then return to the upper menu if the error queue is empty In 3488A mode the instrument will display 0000 if no error occurs To Rack Mount the Agilent 3499A B C You can mount the Agilent 3499A B C mainframes on a standard 19 inch rack cabinet with the optional rack mounting kits The instructions and mounting hardware are included with each rack mounting kit 28 Getting Started To Mount an Torack mountan Agilent 34994 the full rack width mainframe order either Agilent 3499A Rack mount kit with handles part number 5183 7170 or Rack mount kit without handles part number 5183 7171 Me 2400A Asiento see Figure 2 2 Rack Mount an Agilent 3499A To Mount an rack mount a single Agilent 3499B the half rack width mainframe Ag ilent 3499B order an adapter kit 5183 7172 Figure 2 3 This kit includes the flange and filler panel 8 Anl Fa XX Agilent deres s vem
104. ll guide you to set the time interval default is 0 after pressing Enter Use the two arrow keys and the knob to edit or modify the value Press Enter to set this Front Panel Operation 45 To Set a Delay Time 46 Front Panel Operation l value ranging from 0 to 99999 999 seconds 00002 000 SECS Use the arrow keys and the knob to set the arm source press Enter COUNT 00003 Turn the knob to set the trigger source then press Enter to return to CONFIG TO SCAN TRIG MIX If TRIG TIMER is specified the instrument will guide you to set the time interval default is 0 after pressing Enter Use the two arrow keys and the knob to edit or modify the value Press Enter to set this value ranging from 0 to 99999 999 seconds and return to CONFIG TO SCAN 00000 200 SECS Press S List again to exit this operation the CONFIG annunciator turns off accordingly Press S List the CONFIG annunciator lights up Turn the knob until DELAY TIME is displayed press Enter DELAY TIME To set a uniform delay time for all channels select SET ALL then press Enter Use the arrow keys and the knob to modify the value between 0 and 99999 999 seconds Press Enter to set the delay time and return to DELAY TIME SET ALL 00000 002 SECS DELAY TIME 3 To set a different delay time for individual channel select
105. lled by Arm Source Arm Layer 4 Arm Event Bele Corps by Detection rm Count Controlled by Trigger Sourc Controlled by Trigger Layer Trigger Event A Scan List Detection Output Trigger y Scan Channel Note The trigger out pulse will occur at the specified trig out line only if you have configured to enable the slot to output Figure 3 2 The Process of Scanning Operation in SCPI mode Overview Before initiating a scan a scan list must be set up You can also specify an arm source a trigger source and the number of sweeps a sweep is one pass through the scan list to control the scan process All these can be done from the S List key The S List key structure in SCPI mode Table 3 8 is different from that in 3488A mode Table 3 9 on Page 45 Table 3 8 S List Key Structure in SCPI Mode 1st Level 2nd Level 3rd Level 4th Level Description Items Items Items Items Create a scan list to include all the desired ADD TO SCAN SELECT nnn Switch channels DIO bit channels and or the previously stored setups ARM TIMER TRIG TIMER Configure the scan operation such as an ARM IMM TRIG IMM arm source an arm count and a trigger CONFIG SCAN ARM BUS COUNT 00001 THES source ARM EXT TRIG EXT ARM MIX TRIG MIX ARM HOLD TRIG HOLD SET ALL nnnnn nnn SECS Set delay time for all channels or for DELAY TIME individual channels SET CH SELECT nnn nnnnn n
106. ls unterminated derate specification by 6 dB Specifications 17 Agilent The specifications of the Agilent N2280A N2281A are listed in the table N2280A N2281A below Information in the column Typical is helpful in applying the modules Optical Switch Modules ITEMS SPECIFICATIONS Agilent N2280A Agilent N2281A Typical Maximum Typical Maximum Insertion Loss Single mode SM 0 5 dB 0 8 dB 0 5 dB 0 8 dB Return Loss SM 50 dB 45 dB min 50 dB 45 dB min Polarization Dependent Loss SM 0 02 dB 0 07 dB 0 02 dB 0 07 dB Insertion Loss Stability 0 03 dB 0 05 dB 0 03 dB 0 05 dB Repeatability 0 003 dB 0 005 dB 0 003 dB 40 005 dB Crosstalk 70 dB 60 dB 70 dB 60 dB Optical Input Power 300 mW 300 mW Switching Time 15 ms 20 ms 20 ms 25 ms Cycle Rate 5 c s 5 c s Relay Life 10M cycles min 10M cycles min Operating Temperature 25 to 65 C 25 to 65 C Storage Temperature 40 to 80 C 40 to 80 C Humidity non condensing 95 95 Power 5 5 VDC 45mA 5 5 VDC 70mA 5 5 VDC 45mA 5 5 VDC 70mA a Excluding connectors Include 0 2dB typical insertion loss for each connector b Excluding connectors c Drift of any channel relative to one assigned reference channel at 5 C deviation of ambient temperature over a seven day period 18 Specifications Optical Switch Agilent N2282A The specifications of Agilent N2282A is listed in the table below
107. lt 0 8 V Isolation Voltage 350 VDC HANDSHAKE LINES Maximum Voltage line to chassis 5 VDC Output Characteristics Vout high gt 2 4 V lt 400 mA output Vout low lt 0 5 V lt 1 mA input lout low 225 mA when shorted to 5V Input Characteristics Vin high gt 2 0 V Vin low lt 0 8 V DAC LINES Analog Output Range 12 V non isolated Resolution 1 mv Maximum Output Current lout 10 mA Setting Time 1 ms to 0 0196 of Output Accuracy 0 04 of Output 4mV 24hour 1 C Temp Coefficient Data Update Rate 0 015 of Output 1mV 781 25 KHz 12 Specifications Agilent 44472A VHF Agilent 44472A VHF Switch module contains 14 latching relays which Switch Module provides dual independent 4 to 1 coaxial MUXs The specifications are listed in the table below ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Total Channels dual 4 Connector Type BNC x10 Maximum Voltage Maximum Current Thermal Offset Characteristic Impedance Initial Closed Channel Resistance Relay Life Maximum Scan Rate Center Center or Center Low Low Chassis or Low Low Per Channel Per Channel Dry Load of 300 mA amp 10 V Maximum Rated Load 250 V dc 30 V ac rms or 42 V ac peak 42 V dc 30 mA dc 300 mA ac rms lt 15uV 500 10 108 105 43 Chans sec DC ISOLATION Between Any Two Points 409C 9596 RH gt 10 Q AC ISOLATION PERFORMANCE
108. m is initially received or they can be used to verify a suspected failure after the system has been installed into a test system Additionally after a failure has been detected and repaired these tests can be used to confirm that the repairs have accomplished their purpose A test fixture is required for several plug in modules to simplify testing and act as an interface between the module and a multimeter A test fixture can be made for a plug in module by configuring a removable wiring screw terminal block The following instruments can be used to perform the Verification Tests a Agilent 34401A Digital Multimeter or equivalent Test Fixture configured from the related wiring terminal block IBM compatible with the RS 232 default GPIB Interface Verification Tests 59 WARNING WARNING Caution Hazardous voltages may exist on the wiring and connectors of the Agilent 3499A B C plug in modules Only service trained personnel should make repairs to the Agilent 3499A B C mainframes and or the plug in modules Make sure to disconnect all the wiring from the Agilent 3499A B C plug in modules to the external devices in order to execute the Verification Tests This presents two potential safety hazardous a Itis possible for the user to come in contact with high voltage if high voltage exists in the test system b Equipment damage may occur if the wrong lines become accidentally connected or
109. meric parameter value is outside the valid range for this command Example ARM COUNT 3 Too much data A character string was received but could not be executed because the string length was more than 12 characters This error can be generated by the DIAGnostic DISPlay command Illegal parameter value A discrete parameter was received which was not a valid choice for this command You may have used an invalid parameter choice Example TRIG SOURCE ALARM ALARM is not a valid choice System error A firmware defect has been found This is not a fatal error but you should contact your nearest Agilent Technologies Service Center if this error is reported Queue overflow The error queue is full because more than 10 errors have occurred No additional errors are stored until you remove errors from the queue The error queue is cleared by the CLS Error Messages 410 420 430 440 clear status command or when power is cycled The errors are also cleared when you read the queue Query INTERRUPTED A command was received which sends data to the output buffer but the output buffer contained data from a previous command the previous data is not overwritten The output buffer is cleared when power has been off or after a bus Device Clear Query UNTERMINATED The instrument was addressed to talk i e send data over the interface but a command has not been received which sends data to the output buffer For example you ma
110. mode 49 modules crimp and insert terminal block 116 DIN to D cables 119 installation 22 removal 23 screw terminal blocks 110 monitoring channel slot 34 mount 3499A 28 mount 3499B 29 mount 3499C 30 240 Index mount mainframe onto rack 24 N N2297A DIN to D cable diagram 119 N2298A DIN to D cable diagram 120 N2299A DIN to D cable diagram 121 O open close relay channel 36 P plug in modules crimp and insert terminal block 116 DIN to D cables 119 installation 22 removal 23 screw terminal blocks 110 power on instrument 22 power on SRQ 53 power on state setting 52 R read from port 36 read relay cycles 40 rear panel connectors 2 recall instrument state by directly recalling 38 by setting power on to 52 remote interface configuration 53 remote interface GPIB IEEE 488 address selection 53 enable disable SRQ 53 interface selection 53 remote interface RS 232 baud rate 53 data bits 54 flow control 54 parity 54 remove module from mainframe 23 reset instrument 57 RS 232 interface baud rate 53 data bits 54 flow control 54 parity 54 selecting interface 53 S S List key operation add channels to scan list 45 configure arm source 45 set delay time 46 S List key structure in 3488A mode 45 in SCPI mode 44 scan list viewing 30 scanning SCPI mode arm source selection 45 creating scan list 45 delay time setting 46 initiating and stopping 47 SCPI mode selec
111. ms 1 A dc or ac rms 60 W dc 62 5 VA ac lt 3uv lt 05Q 108 at 36000 operations hour 5 x 10 1A load 80 Chans sec N A 3 125 V dc or 200 V ac rms 5A dc or ac rms 150 W dc 1250 VA ac lt 3uVv 0 10 5 x 10 at 180 cycles minute 10 at rated load N A 16 ms DC ISOLATION with terminal block Open Channel Channel Channel with 1 channel closed Channel Chassis with 1 channel closed lt 40 C 50 RH gt 10109 lt 40 C 80 RH gt 10 o lt 40 C 50 RH gt 1019 Q lt 40 C 80 RH gt 109 o lt 40 C 50 RH gt 1010 o lt 40 C 80 RH gt 109 Q lt 40 C 50 RH gt 1019 o lt 40 C 80 RH gt 109 Q AC ISOLATION PERFORMANCE without terminal block Capacitance with 1 channel closed Open Channel Channel Channel Channel Chassis Insertion Loss 100 kHz with 50Q termination 1 MHz 10 MHz Crosstalk 100 kHz with 50Q termination 1 MHz 10 MHz 10 pF lt 10 pF lt 20 pF lt 0 10 dB 0 20 dB 0 50 dB 70 dB 50 dB lt 30 dB 10 pF 10 pF 20 pF 0 10 dB 0 20 dB 0 50 dB 70 dB 50 dB 30 dB a Agilent N2264A combines a 12 channel GP a 3 channel high current GP and a 16 bit digital I O into one module It can be operated as three separate modules b With chassis of all instruments connected and with Low Terminal of the
112. n SWR Repeatability 5 million cycles at 25 C Switch Speed Switch Life SPECIFICATIONS Dual 1 to 6 Dual 1 to 4 when with option 204 SMA female DC to 20 GHz 0 3 dB 0 015 Frequency GHz 100 dB min DC to 12GHz 80 dB min 12GHz to 15GHz 70 dB min 15GHz to 20GHz 1 2 max DC to 4GHz 1 35 max 4 to 12 4GHz 1 45 max 12 4 to 18GHz 1 7 max 18 to 20 GHz 0 03dB maximum 25ms 5 million cycles Specifications 15 Agilent 44477A Agilent 44477A module provides seven independent break before make Form C Rel ay SPDT Form C latching relays the specifications of it are listed in the table below Module ITEMS SPECIFICATIONS INPUT CHARACTERISTICS Total Channels 7 Maximum Voltage Terminal Terminal or Terminal Chassis 250 V dc or ac rms 350 V ac peak Maximum Current Per Channel 2 A dc or ac rms Per Module 14 A dc or ac rms Maximum Power Per Channel 60 W dc 500 VA ac Per Module 420 W dc 3500 VA ac Maximum Overvoltage Transients 1400 Vox Thermal Offset 3 per channel Initial Closed Channel Resistance 190 Relay Life Dry Load of 300 mA amp 10 V 108 operations chan Maximum Rated Load 10 operations chan Maximum Scan Rate 43 Chans sec DC ISOLATION Open Channel Channel Channel 409C 6096 RH gt 10 o with 1 channel closed 40 C 95 RH 51090 Channel Chassis lt 40 C 60 RH s5x 10116 with 1 channel closed 40 C 95 RH
113. n list However the stored instrument setup in SCPI mode is different from that in 3488A mode Table 3 3 lists these differences Table 3 3 The Differences Between Two Modes SCPI Mode 3488A Mode Stored information Stored information 1 Status of relay channels open close 1 Status of relay channels open close 2 Status of digital I O ports input output on digital I O 2 Status of digital I O ports input output on digital I O modules in either static Mode 1 or Mode 2 modules in either static mode1 or mode2 3 Module configurations card pair 1 2 4 wire function mode baud rate flow control etc 4 Scanning setups scan list arm count arm source etc For Firmware REV 4 0 Up to 50 instrument setups can be Up to 40 instrument states can be stored numbered 1 40 stored numbered 1 50 For Firmware REV 1 0 2 0 3 0 Up to 10 instrument setups can be stored numbered 1 10 To store a instrument setup 1 Press Shift Recall the display would be STORE 01 2 Turn the knob to change the memory location number i e 05 STORE 05 3 Press Enter to store the current instrument setup to location 5 Front Panel Operation 37 Note Note An instrument reset does not affect the stored instrument setup information Once a setup is stored it remains until overwritten or specially deleted with a SCPI command SYSTem STATe DELete All the
114. nn SECS 44 Front Panel Operation Table 3 9 S List Key Structure in 3488A Mode 1st Level Items 2nd Level Items Description ADD TO SCAN Create a scan list to include all the desired switch channels DIO bit channels and or the SELECT nnn previously stored setups DELAY TIME nnnnn nnn SECS Set a delay time for all scanned channels To Create a Scan ro create a scan list you can List Press S List the CONFIG annunciator lights up and ADD TO SCAN is displayed ADD TO SCAN 101 Press Enter then turn the knob to select a previously stored channel setup i e 001 Press Enter to add it into the scan list SELECT 001 To add other switch channels digital I O bits and or other stored channel setups repeat Step 2 Press S List again to return to ADD TO SCAN press S List once more to exit this operation the CONFIG annunciator turns off accordingly Note view a scan list press View To clear a scan list press Shift S List To Config Ure a SCan The Arm Source Arm Count and the Trigger Source can be set to configure a scan l Press S List the CONFIG annunciator lights up Turn the knob until CONFIG SCAN is displayed then press Enter CONFIG SCAN Turn the knob to set the arm source then press Enter ARM BUS If ARM TIMER is specified the instrument wi
115. nt Panel Operation 57 58 Front Panel Operation Chapter 4 Verification Tests About This Chapter This Chapter contains procedures for operating verification of the Agilent 3499A B C mainframes and the plug in modules This Chapter contains the following sections General Information General Information Page 59 Mainframe 1 Page 60 Mainframe Verification Page 61 Relay Cycle Count eee eee ee Page 62 MUX Modules Verification Page 62 GP Relay Modules Verification Page 64 Matrix Modules Verification Tests Page 65 Digital I O Modules Verification Tests Page 67 Agilent 44472A Verification Tests Page 70 Agilent 44476A B Verification Tests Page 71 Agilent N2276A B Verification 5 Page 72 Agilent 44477A Verification Tests Page 72 Agilent 44478A B Verification Tests Page 74 Agilent N2280A 81A 82A Verification Tests Page 76 The Operation Verification Tests should be performed whenever it is desired to determine whether the Agilent 3499A B C and its plug in modules are actually operating For example these tests can be used as an incoming inspection procedure when an Agilent 3499A B C Switch Control Syste
116. odule Thermal Offset Per Channel Initial Closed Channel Resistance Relay Life Maximum Scan Rate 80 1 wire or 40 2 wire or dual 20 2 wire or 20 4 wire 200 V dc or peak AC Resist 0 5 A dc or peak AC Resist 1 A dc or peak AC Resist 10 W dc or peak AC Resist 20 W dc or peak AC Resist 50 uV differential or single ended 190 10 at 1V 1mA 350 Chans sec Dual 1 to 4 Chans 30 V dc or peak AC Resist 0 5 A dc or peak AC 1 A dc or peak AC 10 W 20W 3uv lt 1Q mechanical 5X108 10mA 24VDC resist load 3X10 10W 2 5G 500 10 20 Chans sec 10 2 wire 1000 V peak per IEC 1010 for Pollution Degree 1A 1A 10W 10 200 uV lt 1Q Signal Load 1 V 10 mA 103 43 Chans sec DC CHARACTERISTICS Open Channel lt 40 C 50 RH gt 1019 Q lt 40 C 50 RH gt 10 Q lt 40 50 RH gt 10109 Channel Channel lt 40 C 80 RH gt 10 Q lt 40 C 80 gt 1080 lt 40 C 80 RH gt 1090 with 1 channel closed HI LO lt 40 C 50 RH gt 10100 lt 40 C 50 RH gt 10100 with 1 channel closed lt 40 C 80 RH gt 1092 lt 40 C 80 RH gt 1092 Channel Chassis lt 40 C 50 RH gt 1019 Q lt 40 C 50 RH gt 10 Q lt 40 50 RH gt 10100 with 1 channel closed lt 40 C 80 RH gt 109 o lt 40 C 80 RH gt 1090 lt 40 C 80 RH gt 1090 A
117. odules Wiring Information DIN TO D Cables Three DIN to D cables are available for the Agilent N22XX series modules The 96 pin female DIN connectors at one end of the cables are used to connect the plug in modules and the other ends are either 50 pin or 25 pin female sub D connectors as listed in Table 6 18 Table 6 18 DIN TO D Cables Agilent P N Description Application DIN96 TO TWIN D50 CABLE 1 5 meter round cable Agilent terminated with a 96 pin female DIN connector at one For Agilent N2297A N2260A 61A 62A 63A 64A 65A end two 50 pin male sub D connectors at another end Aoilent DIN96 TO D25 CABLE 1 5 meter round cable 9 terminated with a 96 pin female DIN connector at one For Agilent N2262A only N2298A end a 25 male sub D connector at another end DIN96 TO QUAD D25 CABLE 1 5 meter round cable Agilent terminated with a 96 pin female DIN connector at one Por CORDE N2299A p N2260A 61 A 62A 63A 64A 65A end four 25 pin male sub D connectors at another end Agilent N2297A Figure 6 27 shows an Agilent N2297A The wire gauge is 26 AWG which meets UL AWM 2464 the maximum voltage is 200 volts per wire The connection between the 96 pin female DIN connector and the two 50 pin sub D male connectors is also listed Agilent N2297A DIN96 TO TWIN D50 CABLE anny v y 33 m CONNECTION
118. on the CONFIG annunciator turns off accordingly Front Panel Operation 55 To Query the Serial query the Agilent 3499A B C serial number Number 1 Press Menu the CONFIG annunciator lights up Turn the knob to select SERIAL NO SERIAL NO 2 Press Enter Agilent 3499A B C serial number is displayed CN12345678 3 Press Enter to return to SERIAL NO press Menu again to exit this operation the CONFIG annunciator turns off accordingly 56 Front Panel Operation To Reset a Module To reset a plug in module Turn the knob to select the slot to be reset N2260A 1 2 Hold down Card Reset until the display changes from HOLD TO RESET to RESET CARD then release the key to end this operation HOLD TO RESET 1 1 2260 1 Note Card Reset will open all channels on the switching module and make all ports on the specific digital I O module as input ports To Reset the Instrument To reset the instrument 1 Press Shift then hold down Card Reset the display would be HOLD TO RESET 2 Hold the key until the display message changes then release the key RESET 3 When the instrument finishes resetting the default display appears MUX OPEN 101 Note The instrument will also be reset if any plug in module is installed or removed while the instrument is on Fro
119. on Tests The Agilent 44476A has three independent SPDT 50 coaxial switches Figure 4 5 The Agilent 44476B allows you to mount any two 3331XX 70 Verification Tests Coaxial Switches these coaxial switches come in 3 4 5 port configurations To verify that the 33311B Coaxial Switches on the Agilent 444764 or the switches you provide on the Agilent 44476B are functioning verify continuity between the common port and the port connected to it Also verify there is no continuity between the common port and any unconnected ports 12 PORT 1 2 PORT 2 Mor NO NORMALLY OPEN DESIGNATORS NC NORMALLY CLOSED C COMMON DRIVE FORMC JUMPERS Vag Y DRIVE RELAYS E a _ wi D 1 7 ORG lt RELAY K901 2 TR CHANNEL 00 1 i lt NO I RELAY K902 2 Hl N 5 I C CHANNEL 01 COM NC I I NC 3 i 1 w3 j lt il NO RELAY K903 2 oor NC CHANNEL 02 NC L901 5 9 gp 5 TO DRIVE JUMPERS VEL C906 V NOTE TERMINAL DESIGNATIONS INSIDE THE DASHED BOXES REFER TO THE 33311B ONLY MODULE PANEL DESIGNATORS OUTSIDE THE DASHED BOXES ARE THOSE SILKSCREENED ON THE 44476A PANEL ANY REFERENCE IN THIS MANUAL TO A PORT REFERS TO THE MODULE PANEL DESIGNATORS Figure 4 5 Agilent 44476A Simplified Schematic Note The Agilent 44476B simplified schematic is the same as the Ag
120. or Module Two Attenuator S20 530 Agilent N2280A Quadruple 1 to 2 Optical Switch Module s00 s01 Group1 s10 s11 Group2 s20 s21 Group3 s30 s31 Group0 s00 s01 Group1 s10 s11 Group2 s20 s21 Group3 s30 s31 Agilent N2281A Dual 1 to 4 Optical Switch Module s00 s01 s02 s03 Group1 s10 s11 s12 s13 s00 s01 s02 s03 Group1 s10 s11 s12 s13 Agilent N2282A 1 to 8 Optical Switch MUX Module s00 s01 8502 S07 Not supported 4 Bit Built in Digital I O Individual Bits 091 092 093 094 4 Bit Port 090 Same as in SCPI mode a For an Agilent 3499A the Slot Number 1 5 for an Agilent 3499B the Slot Number 1 2 for an Agilent 3499C the Slot Number 1 9 b Achannel number on a matrix module is formed in Slot Row Column format i e channel address s23 means row 2 column 3 in Slot s c Agilent N2260A can be used as an 80 channel 1 wire MUX module a 40 channel 2 wire MUX module two 20 channel 2 wire MUX modules or a 20 channel 4 wire MUX module in SCPI mode d The Low L terminals of the 40 2 wire channels form the first 40 1 wire channels Channels 00 39 and the High H terminals of the 40 2 wire channels form the second 40 1 wire channels Channels 40 79 e The first channels amp CH20 of either banks BANK 0 and BANK 1 form Channel 00 the second channels CHO1 amp CH21 of eithe
121. orrect the power supply does function if the voltage is not correct a problem exists in this assembly 4 If the voltages on the J2 are correct but the voltages on the backplane Service 81 are incorrect check the cable 03499 61004 and the plug in modules You can perform more tests to further isolate the problem to the cable or the particular plug in module 03499 61007 03499 61004 J1 Pin 1 12V Pin 2 5 1V Pin 3 5 1V Pin 4 Return Pin 5 Return Pin 6 12V J2 Pin 1 AC Line Pin 2 AC Neutral Fuse 3 15A 250 VAC 03499 61002 J3 Safety Ground Figure 5 1 Power Supply on the Agilent 3499A B Controller Isolating a problem to the Controller board is best accomplished by substituting a known good board The Controller is not repairable and should be replaced if it fails Keyboard amp Display Problems in the keyboard can be isolated by performing the keyboard test No response to a key closure is the typical failure mode of the keyboard No response to any key closure would indicate a Controller board failure Problems in the display can usually be detected by performing the display test i e self test Typically a failing display will exhibit missing segments Display removal is described in the next Chapter refer to Replaceable 82 Service Parts on Page 85 Keyboard amp Display 2 03499 40003 for 3499B 03499 40001 for 3499A 03499 60001 03499 40008
122. ot immediately fail causing low instrument reliability and unnecessary repairs at a later time ESD damage can occur at static levels too low for human perception Additionally it has been shown that ESD can affect both passive and active devices Service 79 Any assembly or subassembly removed from the mainframe MUST be handled in accordance with anti static handing procedures The following guidelines are the minimum requirements for a static safe service environment The work bench should be equipped with a conductive table mat The mat should be grounded to earth ground through a 1 MQ resistor The mat should be equipped with at least one swivel connected to the swivel connector for connecting wrist straps All service and handling personnel should wear a conductive wrist strap in contact with bare skin This strap should be connected to the swivel connector on the conductive table mat through a 1 MQ resistor All metal equipment at a work station must be grounded This includes soldering irons solder suckers shelving and equipment stands Only one common ground should be provided at a workstation The workstation must be kept free of nonconductors No common plastics polybags cardboard cigarette or candy wrappers should be allowed There should not be rugs or carpet on the floor shelving or bench top Only proper containers should be used for shipping storing and transporting assemblies Caution To p
123. ous electrical shock DO NOT perform procedures involving cover or shield removal unless you are qualified to do so DO NOT operate damaged equipment Whenever it is possible that the safety protection features built into this product have been impaired either through physical damage excessive moisture or any other reason REMOVE POWER and do not use the product until safe operation can be verified by service trained personnel If necessary return the product to an Agilent Technologies Sales and Service Office for service and repair to ensure that safety features are maintained DO NOT service or adjust alone Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation is present DO NOT substitute parts or modify equipment Because of the danger of introducing additional hazards do not install substitute parts or perform any unauthorized modification to the product Return the product to an Agilent Technologies Sales and Service Office for service and repair to ensure that safety features are maintained Operating Location Sheltered location where air temperature and humidity are controlled within this product s specifications and the product is protected against direct exposure to climatic conditions such as direct sunlight wind rain snow sleet and icing water spray or splash hoarfrost or dew Pollution environment for which this product may be operated is IEC 664 Pollution degree
124. peration the CONFIG annunciator turns off accordingly Please note that the content in this section is only effective for Agilent 3499A B C mainframe with Firmware REV 4 0 or later for Agilent 3499A B with Firmware REV 1 0 2 0 3 0 please ignore this section If the power on state of the instrument is set to a previously stored setup that is no longer valid the power on state will automatically set to the reset state in this case the instrument displays RECALL FAILED To Configure the Remote Interface Note Note GPIB Interface RS 232 Interface The instrument can communicate with a computer over GPIB or RS 232 interface Perform the following procedure to configure the interface Only one interface can be used at a time When shipped from the factory the GPIB interface is selected and its address is set to 9 RS 232 interface can be configured and used only in SCPI mode 1 Press Menu the CONFIG annunciator lights up Turn the knob to select INTERFACE then press Enter INTERFACE 2 Turn the knob to select GPIB 488 then press Enter GPIB 488 3 Turn the knob to set a valid GPIB address 0 30 then press Enter ADDRESS 09 4 When SRQ ON is displayed press Enter the Agilent 3499A B C will interrupt the system computer when powered up To disable this feature select SRQ OFF then press Enter SRQ ON 5
125. ply Removal Replaceable Parts 87 STEP 4 Controller board Removal Figure 6 5 Controller board Removal 88 Replaceable Parts STEP 5 Rear Bezel Removal 33 34 Figure 6 6 Rear Bezel Removal STEP 6 Backplane Removal Figure 6 7 Backplane Removal 3499A B Assembly To assemble an Agilent 3499A B mainframe reverse the procedures above Procedures Replaceable Parts 89 3499C Disassembly Procedures STEP 1 Top Cover and Front Panel Removal STEP 2 Backplane Shield Power Module Power Protection Module and Controller Board Removal 10 90 Replaceable Parts STEP 3 Backplane Removal 3499C Assem bly To assemble an Agilent 3499C mainframe reverse the procedures above Procedures Replaceable Parts 91 Agilent 3499A B Mainframe Replaceable Parts Table 6 1 Agilent 3499A B Mainframe Replaceable Parts Part Number ITEM Qty DESCRIPTION 3499A 3499B 1 03499 40008 03499 40009 1 WINDOW DISPLAY FULL HALF RACK 2 5041 9170 2 TRIM SIDE 3 03499 40001 03499 40003 1 FRONT PANEL FULL HALF RACK 4 5041 0564 1 QUARTER KEY 5 03499 40005 1 KEYPAD 6 34970 87401 1 KNOB 7 0515 0430 2 SCR MACHINE 8 03499 60001 1 PCA KEY amp VFD CONT UNIT 9 5041 8822 2 FOOT NON SKID 10 0515 0430 1 SCR MACHINE 11 5041 8801 2 FOOT MOLD 1
126. r MUX Modules Specifications Page 3 GP Relay Modules Page 7 Matrix Modules Page 10 Digital I O Modules Specifications Page 11 Agilent N2269A Multifunction Module Specifications Page 12 Agilent 44472A VHF Switch Module Specifications Page 13 Agilent 44475A Breadboard Module Specifications Page 14 Agilent 44476A Microwave Switch Module Specifications Page 14 Agilent N2276A B Microwave Switch Module SpecificationsPage 15 Agilent 44477A Form C Relay Module Specifications Page 16 Agilent 44478A B 1 3 GHz MUX Modules Specifications Page 17 Agilent N2280A 81A 82A Modules Specifications Page 18 Specifications 1 Agilent 3499A B C Mainframe s Specifications ITEMS SPECIFICATIONS General Power Supply Operating Environment Storage Environment 3499A B 100 to 240 VAC universal input 47 Hz to 440 Hz 90 VA 3499C 100 to 240 VAC universal input 47 Hz to 63 Hz 140 VA 0 to 55 C 32 to 131 F 80 RH 0 to 40 C 32 to 104 F 40 to 70 C 40 to 158 F Rear Panel Connectors Switch Setting Time Arm Source Trigger Source External Trigger Input External Trigger Output Built in 4 bit Digital I O Net Weight Agilent 3499A 3 8 kg 8 4 Ibs Agilent 3499B 2 5 kg 5 5 Ibs Agilent 3499C 7 4 kg 16
127. r banks form Channel 01 and so on f In 3488A mode Agilent N2260A is used as a 40 channel 2 wire MUX module 26 Getting Started Basic Front Panel Operation Note Note The following examples demonstrate some basic operation to operated the Agilent 3499A B C Assuming that an Agilent N2260A module is installed in slot 1 ofthe Agilent 3499A and configured as a 40 channel 2 wire MUX default setting the channels on the Agilent N2260A can be addressed as 100 through 139 To Open Close a Channel Turn the knob to the desired channel i e 102 the channel specified is shown on the channel display area MUX OPEN 102 Press Open Close to open close the selected channel Only one channel can be opened closed each time repeat the procedure above to open close other channels To open all channels on a module press Card Reset To open all channels on the plug in modules in an Agilent 3499A B C press Shift Card Reset or cycle power the instrument To Change the Instrument System Mode The Agilent 3499A B C can be operated in either one of the two system modes SCPI mode and 3488A mode The instrument is set to SCPI mode factory default To change the system mode press Menu first turn the knob until the SYSTEM MODE is displayed press Enter then turn the knob to the specific system mode press Enter again to change the instrument system mode Switching between SCPI mode and 3488A
128. r renere vara vane Page 225 Agilent 44470D Components Page 227 Agilent 44470D Schematics is miia sr atiae aa eee neces Page 228 Agilent 44480B Components Locator amp Page 232 Agilent 44471D Components Page 233 Agilent 44471D 8 5 55 Page 234 Agilent 44481B Components Locator amp Page 238 130 Schematics Index Numerics 3488A mode selection 55 A aborting scan 47 address GPIB IEEE 488 53 annunciators 33 arm source description 2 arm source selection 45 B built in digital I O channel numbering 26 read from 36 specifications 2 write to 36 built in external trigger configuration 50 specifications 2 C close open relay channel 36 connecting with crimp and insert terminal block 116 with DIN to D cables 119 with screw terminal block 110 convention front panel operation 31 D delay time setting 46 Digital I O configuration control line polarity 42 flag line polarity 42 flow control mode 42 I O line polarity 42 Digital I O input output read from port 36 write to port 36 DIN96 to D25 cable diagram 120 DIN96 to Quad D25 cable diagram 121 DIN96 to Twin D50 cable diagram 119 DIN to D cables summary 119 E enable disable EI CC 50 en
129. ractice or condition that could possibly cause damage to Frame or chassis ground terminal typically CAUTION as or equipment or permanent loss of data connects to the equipment s metal frame WARNINGS The following general safety precautions must be observed during all phases of operation service and repair of this product Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the product Agilent Technologies Company assumes no liability for the customer s failure to comply with these requirements Ground the equipment For Safety Class 1 equipment equipment having a protective earth terminal an uninterruptible safety earth ground must be provided from the mains power source to the product input wiring terminals or supplied power cable DO NOT operate the product in an explosive atmosphere or in the presence of flammable gases or fumes For continued protection against fire replace the line fuse s only with fuse s of the same voltage and current rating and type DO NOT use repaired fuses or short circuited fuse holders Keep away from live circuits Operating personnel must not remove equipment covers or shields Procedures involving the removal of covers or shields are for use by service trained personnel only Under certain conditions dangerous voltages may exist even with the equipment switched off To avoid danger
130. ralia New Zealand AS NZS 2004 1 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme la norme NMB 001 du Canada The product was tested in a typical configuration with Agilent Technologies test systems Safety IEC 61010 1 1990 A1 1992 A2 1995 EN 61010 1 1993 A2 1995 Canada CSA C22 2 No 1010 1 1992 January 17 2002 Date Tan Boon Juan Quality Manager For further information please contact your local Agilent Technologies sales office agent or distributor Authorized EU representative Agilent Technologies Deutschland GmbH Herrenberger StraBe 130 D 71034 B blingen Germany Contents Agilent 3499A B C Switch Control System Service Manual Legal and Safety Information 4 eee eee ee eee ee eee eee eene seen eee seta aee ease i AGILENT TECHNOLOGIES WARRANTY STATEMENT e i Trademark Information ts erect e ee ei i Safety Symbols wis ca esl ee Gat e RR ERR E Pet dab eae i WARNINGS rae eni pe e i ier ete ether ieee Gio hd il CLEANING INFORMATION eene entente tenent aTa iii DECLARATION OF CONFORMITY eee nre iv Chapter 1 Specifications E E 1 General Informati n ud uite he i D ete e eerte e te goin 1 Agilent 3499A B C Mainframe s Specifications eonvnrnrronrnovrnonvnrnvnenrnnvnvnvravenssensssnne 2 Plug in Modules 1
131. ransferred to all the other ports Take an Agilent N2263A for example if a data 10101010 has been written to the port s02 this data should be transferred to other ports s00 s01 and s03 When these ports s00 s01 amp s03 are monitored the display should be 10101010 binary or 170 decimal If it does not a problem exists on this DIO module You can write any other data to one port to verify the data lines 1 2 Reset the DIO module and create a scan list including all the bits on this module Press Step If the CHAN CLOSED Agilent 44474A only and or PFLG EXT INC lines are functioning the Agilent 3499A B C will begin stepping through the scan list opening each data line as it closes the previous line This will be shown on the Agilent 3499A B C s display as the first 8 bit port being successively decreased by the binary weighted value of each data line In other words the display will start with the value of 255 step to 254 binary 1 step to 253 binary 2 step to 251 binary 4 step to 247 binary 8 step to 239 binary 16 step to 223 binary 32 step to 191 binary 64 and finally step to 127 binary 128 When all eight data lines in this port have been stepped through the port will reset to 255 and the process will repeat with the second 8 bit port and so on Ifthe scan list will not automatically advance as described above the CHAN CLOSED line the PFLG EXT INC line or both are malfunctioning
132. revent equipment circuit damage always set the line power switch to off before removing or replacing any assembly Caution Always use anti static techniques when assemblies are handled or serviced Agilent 3499A B C Problem Isolation An Agilent 3499A B C Switch Control System consists of three mainframes and a set of plug in modules Once the Agilent 3499A B C is suspected of a failure a problem should be existing either in the mainframe or in the plug in modules or in both of them More tests must be performed to isolate the problem Preliminary Tests Once the Agilent 3499A B C is suspected of a failure 1 Power off the Agilent 3499A B C and remove all the plug in modules 2 Cycle power on the Agilent 3499A B C If the same problem exists 80 Service Plug in Module Substitution the problem is mostly on the mainframe if the problem is solved the problem may be caused by one or more plug in module The easiest and fastest method to isolate a failure to a particular assembly is the board substitution technique The technique calls for the suspected bad board to be replaced with a known good board If the problem is solved the replaced board or assembly had the problem A limited substitution may be performed to isolate a faulty plug in module To use this method 1 Determine which plug in module is suspected of the failure 2 Try the failing module in another mainframe slot If the module functions normally
133. rument can be operated in either SCPI mode or 3488A mode To Mode select a system model ll 1 Press Menu the CONFIG annunciator lights up Turn the knob to select SYSTEM then press Enter SYSTEM MODE 1 For an instrument with Firmware REV 3 0 the two system modes SCPI and 3488A can not be switched to each other 54 Front Panel Operation Turn the knob to select the system mode press Enter HP 3488A MODE The instrument will be reset if the system mode has been switched or it will display SYSTEM In later case press Menu again to exit this operation To Query the To query the Agilent 3499A B C firmware revision Firmware Revision 1 Press Menu the CONFIG annunciator lights up Turn the knob to select REVISION INFO then press Enter REVISION INFO The system firmware revision number will be displayed as one of the four formats in the following Please note that for Firmware REV 3 0 4 0 the displayed Firmware Revision information also indicates the Controller board version for REV 3 0 1 0 1 0 indicates the Controller board is 1 0 for REV 4 0 2 0 2 0 indicates the Controller board is 2 0 Firmware REV 1 0 2 0 always runs under Controller board 1 0 REV 1 0 REV 2 0 REV 30 1 0 REV 40 2 0 3 Press Enter to return to REVISION INFO press Menu again to exit this operati
134. s 75 Agilent N2280A 81A 82A Verification Tests Agilent N2280A consists of four 1 to 2 Optical Switches each 1 to 2 Optical Switch should be tested independently Agilent N2281A consists of two 1 to 4 Optical Switches each 1 to 4 Optical Switch should be tested independently Agilent N2282A consists of one 1 to 8 Optical Switch vo Choo 9 Ch10 Im Cho 1 Normally closed Ch 1 1 Norrnally closed vo Ch20 yo Ch30 COM2 PEEL I COM3 Ch 2 1 Normally closed Ch3 1 Normally closed gt Powered State Agilent N2280A 90 Ch00 o COMO mai mm Ch002 normaly closed o y9 1 Ch10 RO CAI 1 SERM Ch 2 normaly closed 7 0 L Ch13 Powered State Agilent N2281A COM Agilent N2282A Figure 4 8 Agilent N2280A 81A 82A Simplified Schematic 76 Verification Tests Test Procedure Correction Before testing the Agilent N2280A 81A 82A Optical Switch Module the user should have an Optical Multimeter in hand When testing the two Optical probes of the Optical Multimeter should be connected to the two end connectors of one channel of the specific Optical Switch then execute closing and opening commands on it you can find whether this channel is normal or not via the optical multimeter s display To verify that the optical switches in
135. s been pressed Instrument is advancing a scan step ADRS Instrument is addressed to listen or talk over the remote interface RMT Instrument is in remote mode ERROR Error queue is not empty EXT Scan is waiting for external trigger source SHIFT Shift key has been pressed Channel Many of the front panel operations require you specify one or more channels A channel refers to an individual relay on a switching module or an individual bit port on a digital I O module The channel address is in the form of snn where s is the Slot Number 1 5 for an Agilent 3499A 1 2 for an Agilent 3499B 1 9 for an Agilent 3499C and Slot 0 reserves for the 4 bit built in digital I O and nn represents channel number on the plug in modules module dependent Refer to Table 2 1 on Page 24 for more details about the channel addressing Addressing Channel Slot Selection The two arrow keys lt and gt together with the knob are used to select slots and channels The following procedure shows you how to do that Front Panel Operation 33 1 Select a slot Press the two arrow keys to select a desired slot directly or turn the knob to select the desired slot number N2260A 1 2 Select a channel Turn the knob to select a channel 3 digital number As shown below the top display indicates the current channel 101 is a MUX channel and in OPEN state and the lower indicates that the current bit 401 is a digital input port MU
136. s will be scanned 1 The scan cannot be performed and CANNOT INIT will be displayed if any of the following conditions occurs The scan list contains a non existing channel such as N2260A module changes from WIRE to WIRE2 b The scan list contains a channel on a digital I O module that does not work in Mode 1 or Mode 2 C A stored channel setup in the scan list does not match the current hardware configuration Front Panel Operation 47 Menu Key Operation Configuring system related instrument parameters can be done from the Menu key However the Menu key structure in 3488A mode Table 3 10 is different from that in SCPI mode Table 3 11 on Page 49 Since SCPI mode can do whatever 3488A mode can only the Menu key operation in SCPI mode will be demonstrated Table 3 10 Menu Key Structure in 3488A Mode 1st Level Items 2nd Level 3rd Level 4th Level Description Items Items Items CARD PAIR FIRST SLOT 1 SECOND SLOT Pair the same type cards Select a pair of external trigger ENABLE lines and enable disable the NF EXT TRI TRI FSLOT i 7 x a GOF SEONG DISABLE Agilent 3499 to output a trigger pulse SRQ ON Set GPIB address 0 30 and INTERFACE GPIB 488 ADDRESS 09 SRQ OFF enable disable Power on SRQ SELFTEST Perform a selftest SCPI MODE Select a system mode for the SYSTEM MODE 1 3488A MODE instrument REVISION INFO Query the current firmware revision SERIAL NO Query
137. splays on the front panel of the instrument Self Test Errors The errors listed in Table 6 21 indicate failures that may occur during a self test in 3488A mode Table 6 21 Self Test Errors Error Number Description 1 ROM test failed 2 GPIB test failed 3 RS 232 test failed 4 Front panel test failed Note A string 0 read back with the command TEST indicates that all the tests have passed In this case a string PASSED displays on the front panel of the instrument 128 Error Messages Note Due to large file size this on line version of the 3499A B C Service Manual does not include schematics Appendix C Schematics This chapter contains the schematics for the Agilent 3499A B C mainframes and the plug in modules designed for Agilent 3499 A B C Switch Control System For the schematics of the existing 3488A plug in modules you can refer to Agilent 3488A Switch Control System Service Manual The schematics in this chapter include Agilent 3499A B C Controller Board 1 0 Components Locator Page 131 Agilent 3499A B C Controller Board 1 0 Schematics Page 132 Agilent 3499A B C Controller Board 2 0 Components Locator Page 137 Agilent 3499A B C Controller Board 2 0 Page 138 Agilent 3499A B C Keyboard and Display Components Locator amp Schematics
138. stored instrument setups will be cleared automatically whenever the system mode is changed To Recall an Instrument State A previously stored instrument setup can be recalled Before recalling a stored setup the instrument verifies that all module type and slot assignment match the setup If a mismatch is detected the recall operation will stop and a string RECALL FAILED will be returned no error occurs To recall an instrument setup 1 Press Recall turn the knob to a previously stored setup i e 05 RECALL 05 2 Press Enter to recall the setup i e 05 press Recall again to cancel the current recall operation View Key Operation To View an Error The instrument can store up to 10 errors in the error queue up to 200 channels in the scan list as well as the relay cycle counts on the newer plug in modules The View key provides you an intuitive way to query these information Table 3 4 lists the View key structure Table 3 4 View Key Structure 1st level Items Description ERROR Query the errors recorded in the error queue SCAN LIST Query the channels included in the scan list RELAY CYCLES Query the relay cycle counts on some modules To view an error 1 Press View the VIEW annunciator turns on turn the knob to ERROR then press Enter 2 If no error is in the error queue the ERROR annunciator is off the instrument displays NO ERROR
139. text of the error message All errors are cleared when you exit the menu First error in queue Error code Remote Interface Operation SYSTem ERRor Read and clear one error from the error queue Errors have the following format the error string may contain up to 80 characters 113 Undefined header 122 Error Messages Execution Errors 101 102 103 105 108 109 112 113 121 123 124 128 Invalid character An invalid character was found in the command string You may have used an invalid character such as or in the command header or within a parameter Example OPEN 101 Syntax error Invalid syntax was found in the command string You may have inserted a blank space before or after a colon in the command header or before a comma Or you may have omitted the character in the channel list syntax Examples ROUT CHAN DEL 1 or ROUT OPEN 101 102 Invalid separator An invalid separator was found in the command string You may have used a comma instead of a colon semicolon or blank space or you may have used a blank space instead of a comma Example TRIG COUNT 1 GET not allowed A Group Execute Trigger GET is not allowed within a command string Parameter not allowed More parameters were received than expected for this command You may have entered an extra parameter or added a parameter to a command that does not require a parameter E
140. tion 54 screw terminal blocks summary 110 self test 54 serial number 55 SRQ enable disable 53 store instrument state 37 Switch Control System plug in modules overview 4 switching relay channel 36 system mode 3488A mode selection 55 SCPI mode selection 54 system related operation from front panel 48 T trigger source description 2 V view errors 38 View key operation view error 38 view relay cycles 40 view scan list 39 View key structure 38 view relay cycles 40 view scan list 39 W wiring with crimp and insert terminal block 116 with DIN to D cables 119 with screw terminal block 110 write to port 36 Index 241 ES Agilent Technologies Agilent Technologies Inc Printed in Malaysia Revision E March 2009 E0309 Service Manual 03499 90002
141. ws A short circuit between all of the low lines in the Rows TP4 With the test fixture installed and a Multimeter i e an Agilent 34401A connected between the Columns and the Rows the related Matrix module is tested by successively closing each relay while checking for an indication of the closure on the Multimeter Tests Procedure To perform the Operation Verification Tests Remove the wiring terminal block from the Matrix module Install the related test fixture onto the Matrix module Set the Multimeter to measure resistance Zero the Multimeter Press Mon and specify the slot occupied by the Matrix module Press S LIST and specify all channels to be scanned Connect the Multimeter between TP1 amp TP3 or TP2 amp TP4 on the test fixture Figure 4 3 on Page 66 7 Press Card Reset to reset the Matrix module the Multimeter should indicate that all relays are open very high resistance or overload indication D RENE Note Ifthe Multimeter is indicating a very low resistance one or more of the relays is remaining closed You need to do more tests to isolate the clumsy damaged relay s 66 Verification Tests 8 Successively press Step while observing the displays on the Agilent 3499A B C and the Multimeter The Agilent 3499A B C s display should show a number corresponding to the closed relay The clumsy damaged relay s can be isolated in this way Correction during Step 8 one or more rel
142. xample ROUT CLOS STAT 2 Missing parameter Fewer parameters were received than were expected for this command You have omitted one or more parameters that are required for this command Example ROUT CHAN DEL 10 Program mnemonic too long A command header was received which contained more than the maximum 12 characters allowed Example CONFIGURE EXTERNAL TRIGGER SOURCE 2 Undefined header A command was received that is not valid for this instrument You may have misspelled the command or it may not be a valid command If you are using the short form of this command remember that it may contain up to four letters Examples TRIGG SOUR TIM Invalid character in number An invalid character was found in the number specified for a parameter Example TRIG TIMER 12 34 Exponent too large A numeric parameter was found whose exponent was large than 32 000 Too many digits A numeric parameter was found whose mantissa contained more than 255 digits excluding leading zeros Numeric data not allowed The wrong parameter type was found in the command string You may have specified a number where a string or expression was expected or vice versa Examples DISP TEXT 5 0 or ROUT CLOSE 101 Error Messages 123 124 131 134 138 148 151 158 161 168 178 222 223 224 310 350 Invalid suffix A suffix was incorrectly specified for a numeric parameter You may have misspelled the suffix
143. y have executed a CONFigure command which does not generate data and then attempted to read data from the remote interface Query DEADLOCKED A command was received which generates too much data to fit in the output buffer and the input buffer is also full Command execution continues but all data is lost Query UNTERMINATED after indefinite response The IDN command must be the last query command within a command string The IDN command returns an indefinite length string which cannot be combined with any other query command Example IDN STB Instrument Errors 100 101 102 103 104 110 111 Number of SAV RCL out of range Up to 50 10 channel setups 1 50 10 can be stored and recalled This error will occur if a number included in SAV RCL is not between 1 and 50 10 Examples SAV 52 or RCL 0 Unable to recall scan is running Unable to recall memory is empty Unable to recall modules were changed Before recalling a stored channel setup the instrument verifies the same module types are installed in each slot This error indicates that the instrument has detected one or multiple modules in the specific slots have been replaced with other types or removed from the instrument Unable to store scan is running Slot number out of range The specified slot number is invalid The channel number has the form snn where s is the slot number and nn is the channel number Example OPEN 604 D

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