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Maintenance

R&S

®

ZN-Z3x

47

User Manual 1177.6381.02 ─ 03

5

Maintenance

5.1

Inline Calibration Unit Recharacterization

The Inline Calibration Units R&S

 

ZN-Z32/Z33 need to be recharacterized in inter-

vals of one year. Other maintenance work is essentially limited to cleaning the
Inline Calibration System components and replacing fuses in the Inline Calibration
Controller.

Irregular recharacterization may cause deviations from specified data

The technical information provided in the data sheet can be only guaran-
teed if the Inline Calibration Units R&S

 

ZN-Z32/Z33 are recharacterized in

regular intervals. The recharacterization interval should not exceed one
year.

5.2

Replacing Fuses

The Inline Calibration Controller R&S

 

ZN-Z30 is protected by two fuses

(IEC60127 T3.15H / 250 V, stock no. 0099.6729.00), located in the fuse drawer
below the AC power switch on the rear panel.

Risk of electric shock

The fuse is part of the main power supply. Therefore, handling the fuse
while power is on can lead to electric shock. Before opening the fuse
holder, make sure that the instrument is switched off and disconnected from
all power supplies.
Always use fuses supplied by Rohde

 

&

 

Schwarz as spare parts, or fuses of

the same type and rating.

 

 

 

Replacing Fuses

Содержание R&S ZN-Z3x

Страница 1: ...R S ZN Z3x Inline Calibration System User Manual User Manual 1177 6381 02 03 ÛÍß2 ...

Страница 2: ...le baked out 0 25 m order no 1339 3651 02 The software contained in this product uses several valuable open source software packages For infor mation see the Open Source Acknowledgment on the user documentation CD ROM included in deliv ery Rohde Schwarz would like to thank the open source community for their valuable contribution to embed ded computing 2017 Rohde Schwarz GmbH Co KG Mühldorfstr 15 ...

Страница 3: ...ts R S ZN Z3x 3 User Manual 1177 6381 02 03 Contents 1 Introduction 5 2 Putting the System into Operation 9 3 Application 23 4 Operation 25 5 Maintenance 47 6 ZN Z3x User Tool 51 List of Commands 59 Index 61 ...

Страница 4: ...Contents R S ZN Z3x 4 User Manual 1177 6381 02 03 ...

Страница 5: ... is a costly and time consuming process The Rohde Schwarz Inline Calibration System R S ZN Z3x allows re calibrat ing a running measurement setup without mechanically changing the measure ment setup For each DUT port an Inline Calibration Unit ICU is inserted between the corresponding VNA test port and the DUT The ICU remains within the signal path throughout the measurement low loss through path ...

Страница 6: ...spect to control the ICC shall act as the master for the connected ICUs However in order to avoid unnecessary polling of data that might not have changed e g the temperature of the ICUs the ICUs themselves are able to send data autonomously The CAN protocol supports this kind of multi master opera tion ...

Страница 7: ...ration Unit 10 MHz to 8 5 GHz 1328 7638 02 R S ZN Z33 MW Inline Calibration Unit 10 MHz to 40 GHz 1328 7644 02 R S ZN Z33 Var 03 TVAC MW Inline Calibration Unit 10 MHz to 40 GHz 1328 7644 03 CAN bus systems are well established in automotive environments and have proven a high degree of robustness The Inline Calibration Controller ICC offers two CAN bus interfaces and is able to control and power ...

Страница 8: ...strument In addition it contains notes on preventative maintenance for the R S ZN Z3x and on trouble shooting on the basis of the warnings and error messages that the instrument emits The user manual is organized into the following chapters Putting the Instrument into Operation Application Operation via Remote Control Maintenance Appendix The most recent version is always available on the Internet...

Страница 9: ...to establish the required control connections between the system components Gen eral notes are provided to ensure safety while operating the system 2 1 Inline Calibration Controller Tour This chapter shows all control elements and connectors on the front and rear panel of the Inline Calibration Controller R S ZN Z30 2 1 1 Front Panel The front panel of the Inline Calibration Controller is shown on...

Страница 10: ...n Controller OK or Error 6 configuration corrup ted If STAT Error 6 persists the Inline Calibration Controller has to be returned to Rohde Schwarz service Display Reset The Display Reset key deactivates the screensaver Status LEDs Power green ready red standby see Chapter 2 3 4 Turning the ICC On and Starting on page 17 LAN green OK red not OK or booting USB green connected red not connected Stand...

Страница 11: ...1 2 pin assignment Contact Description Value Range 1 northwest CAN_HIGH 0 5 5 V 2 southwest CAN_LOW 0 5 5 V 3 southeast 24 V supply voltage 0 24 5 V 4 northeast Ground 0 V The color of the LED above the connectors indicates the state of the respective CAN bus red bus not working e g no Inline Calibration Unit connected or in error state blue bootloader mode temporary state pink calibration data al...

Страница 12: ... Z30 offers a Micro SD Card slot to provide a mass stor age device for characterization data gathered from the connected ICUs This way the slow process of copying characterization data from a ICU to the ICC via CAN bus data rate 250 kBit s is only needed with the first usage of a new ICU with a dedicated ICC The characterization data on the SD Card can be accessed either via LAN using the Inline C...

Страница 13: ... the other input connectors at the rear panel must not be exceeded CAN In Out CAN in and CAN out connect the Inline Calibration Unit to a CAN bus see Chapter 2 4 Connecting ICUs on page 18 The first is for the direction towards the Inline Calibration Controller the latter can be used to connect other Inline Calibration Units see Chapter 2 4 Connecting ICUs on page 18 Port Display In error free ope...

Страница 14: ...ecision effective system data can no lon ger be guaranteed 005 8 V error Calibration functionality degraded 006 5 V error CAN bus functionality degraded risk of system error Start Cal Button with integrated LED allowing to start a calibration sweep The button is armed using the SCPI command ICU CAL START Its current state can be read using ICU SHOW BUTton STATE 2 3 Preparing the System This sectio...

Страница 15: ...opriate operating conditions Specific operating conditions are required to ensure accurate measure ments and to avoid damage to the instrument Observe the information on appropriate operating conditions provided in the basic safety instructions and the instrument s data sheet Instrument damage caused by electrostatic discharge Electrostatic discharge ESD can damage the electronic components of the...

Страница 16: ... 2 Remove the protective covers made of corrugated cardboard from the front and rear of the instrument 3 Check the instrument for any damage If there is any damage immediately contact the shipping company that delivered the instrument If this case be absolutely certain that you keep the cardboard box and packing materials The delivery comprises two CAN bus control cables R S ZN CAN2 2 m length a p...

Страница 17: ...2 3 4 Turning the ICC On and Starting Switch the power switch on the back panel to I The power switch has two positions 0 The Inline Calibration Controller is disconnected from the AC supply I The Inline Calibration Controller is receiving power from the AC supply When the instrument receives power from the AC supply it immediately starts loading the firmware mini display ZN Z30 firmware version a...

Страница 18: ...he R S ZN Z30 automatically monitors the most important instrument functions when it is turned on 2 4 Connecting ICUs Per CAN bus interface up to 24 Inline Calibration Units can be connected in line with a maximum total cable length of 40 m CAN bus termination is provided by the last Inline Calibration Unit in the respective line The connectors are mechanically coded to prevent false connections e...

Страница 19: ...onnecting External Devices The R S ZN Z30 is equipped with different interfaces for establishing a remote control connection EMI Suppression To suppress electromagnetic interference EMI the instrument may only be operated when it is closed and all covers are in place The instrument s EMC rating is specified on the data sheet To prevent influences that cause disturbances the following conditions mu...

Страница 20: ...uring operation of the instrument The network interface works with an 100 Mbit s IEEE 802 3u Ethernet The TCP IP network protocol and the associated network services are preconfigured In order to exchange data in a local area network LAN it must be possible to address each connected computer or instrument via a unique IP address or a hostname By default every R S ZN Z30 is assigned a hostname ZNZ3...

Страница 21: ...omputer without integration into a larger network requires assignment of an IP address for the R S ZN Z30 and the computer The 192 168 xxx yyy IP addresses are available for this The values for xxx and yyy range from 1 to 254 the subnet mask length is 24 or higher The IP address for the gateway must also be specified but it is not of significance in this case Connecting External Devices ...

Страница 22: ...Putting the System into Operation R S ZN Z3x 22 User Manual 1177 6381 02 03 Connecting External Devices ...

Страница 23: ...g wrong standards or improper connections are almost excluded No need to handle calibration kit data The internal standards don t wear out because they are switched electroni cally Advantages of in situ recalibration Switch and connector repeatability errors can be removed at least for reflec tion measurements Errors due to cable movements and thermal effects of cables connectors and adapters can ...

Страница 24: ...is used to establish an RF connection to the DUT it should be connected directly to the DUT Every cable adapter etc between the Inline Calibration Unit and the DUT will be treated as a part of DUT because the reference plane of the calibra tion is shifted to the DUT Port of the Inline CalU 3 2 Connecting the ICUs to the ICC See Chapter 2 4 Connecting ICUs on page 18 3 3 Calibration Accuracy To ens...

Страница 25: ... is displayed for identification purposes which is particularly important if multiple Inline Calibration Controllers are used The current IP address The state of the two CAN busses The operational state of the instrument This can be either OK if the instrument is error free or ERROR error code with the error code of the last occurred error To prevent the display from burn in it is automatically sw...

Страница 26: ...aster device For details see Chapter 4 1 1 3 USB Interface on page 28 Standard Commands for Programmable Instruments SCPI For remote control of the instrument commands in line with the SCPI standard are used The syntax of commands that are not included in that standard still fol lows the SCPI rules The instrument supports SCPI version 1999 Standard Com mands for Programmable Instruments The SCPI s...

Страница 27: ...e for functions that depend on the characteristics of the specific instrument such as frequency setting Many of these commands have also been standardized by the SCPI Consortium Such commands are labeled SCPI compliant in the command reference Commands without the SCPI label are instrument dependent however their syntax follows the SCPI rules as allowed by the standard Responses are messages that ...

Страница 28: ...cially defined port The socket address is a combination of the IP address or the instrument s host name and the number of the port configured for remote control All Inline Calibration Controllers use port number 5025 for this purpose The port is configured for communication on a command to command basis and for remote control by a program FTP The characterization data on the Micro SD Card of the I...

Страница 29: ...libration System R S ZN Z3x The List of Commands at the end of the manual contains all commands in alphabetic order Tips and tricks for operation The use of upper and lower case letters designates the long and short forms of a command SET LAN SNMask SET LAN SNM Text parameters are separated from the header by a space They fol low the strict syntax rules for keywords Results are returned as ASCII s...

Страница 30: ...the backplane fw version is the installed firmware version in xx yy dotted decimal notation xx major version yy minor ver sion Usage Query only Manual operation See Identification String on page 54 RST Sets the system to a defined default state Usage Event SERial Returns the serial number of the R S ZN Z30 Return values Value 6 digit serial number see mini display and SAP label on the backplane Us...

Страница 31: ...iption 0 4 Seconds divided by 2 0 30 5 10 Minute 0 59 11 15 Hour 0 23 16 20 Day of month 1 31 21 24 Month January 1 December 12 25 31 Years since 1980 current year 1980 ICC WRITE SETTINGS Writes the current LAN settings to the internal flash memory of the Inline Cali bration Controller These settings are loaded during instrument startup Usage Event Manual operation See Write all settings to ZN Z30...

Страница 32: ... LAN IP 34 ICC SHOW LAN IP 34 ICC SET LAN SNMask 34 ICC SHOW LAN SNMask 34 ICC SET LAN DNSADDR 35 ICC INIT LAN 35 ICC SET LAN HOST NAME HostName ICC SHOW LAN HOST NAME Sets queries the hostname If the R S ZN Z30 uses DHCP ICC SET LAN DHCP ON and the DHCP server supports DHCP Option 12 the R S ZN Z30 can also be reached via this host name Note that modified LAN settings are not applied until ICC IN...

Страница 33: ...e 56 ICC SET LAN DHCP ON ICC SET LAN DHCP OFF Enables disables dynamic host configuration Note that modified LAN settings are not applied until ICC INIT LAN is execu ted Usage Event Manual operation See IP Setting on page 56 ICC SET LAN GW ICC SHOW LAN GW Sets queries the LAN default gateway Setting a default gateway is only possible with static IP configuration ICC SET LAN DHCP OFF Otherwise the ...

Страница 34: ...ot applied until ICC INIT LAN is execu ted Parameters IpAddr The LAN IP address in dotted decimal format e g 10 114 12 1 Manual operation See IP address Subnet Mask Standard Gateway on page 56 ICC SET LAN SNMask ICC SHOW LAN SNMask Sets queries the LAN subnet mask Setting a subnet mask is only possible with static IP configuration ICC SET LAN DHCP OFF Otherwise the calibration unit answers with a ...

Страница 35: ...the previously configured LAN settings DHCP IP address subnet mask default gateway Use the ICC WRITE SETTINGS command to persist the LAN settings Usage Event Manual operation See Apply LAN Settings nonpermanent on page 57 4 2 1 3 ICC CAN Bus The following commands get set the CAN bus properties of the Inline Calibration Controller R S ZN Z30 ICC CAN bus RST 35 ICC CAN bus APP START 36 ICC CAN bus ...

Страница 36: ... 1 or 2 Number of the related CAN bus Usage Event ICC CAN bus BOOTloader START Initiates bootloading of firmware to connected Inline Calibration Units Note that firmware updates on a R S ZN Z32 Z33 are only possible in bootloader state Suffix bus 1 or 2 Number of the related CAN bus Usage Event ICC CAN bus GET STATe Queries the state of the related CAN bus Suffix bus 1 or 2 Number of the related C...

Страница 37: ...ts from bootloader mode to operational mode 3 Busy progress x Busy state transfer of characterization data in pro gress In this state further SCPI Commands accessing the related CAN bus are blocked if such a SCPI com mand arrives an error code is returned 33 Imax err Overcurrent state This state is attained if an overcurrent is detected on the supply rail of the related CAN bus The supply rail is ...

Страница 38: ...bration Unit IDs see ICU_ID on page 38 Usage Query only Manual operation See R S ZN Z32 Z33 ID List on page 55 4 2 2 Inline Calibration Unit Commands related to a single ICU ICU_ID In all these commands a particular ICU is referred to by a unique ID This ICU_ID consists of the prefix 2 for units R S ZN Z32 or 3 for units R S ZN Z33 the unit s serial number in hexadecimal representation For example...

Страница 39: ...g of the form ICU ICU_ID status code progress e g ICU 3186b6 status 0 0 Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 Return values code Decimal status code as described in the table below progress Progress of a calkit transmission in percent Usage Query only Table 4 4 Inline Calibration Unit status codes Status code Description 0 No error 1 CAN Bus Receive Erro...

Страница 40: ...alibration Unit see ICU_ID on page 38 Return values temp ICU temperature in degrees Celsius e g 29 5 Usage Query only ICU SHOW VAR ICU_ID Queries the hardware variant of the related ICU Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 Return values variant The last two digits of the related ICU s order number XXXX XXXX XX see Table 1 1 Usage Query only ICU FWVersio...

Страница 41: ...ET PORT no ICU_ID Assigns port number no to the related Inline Calibration Unit Suffix no Port number Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 ICU CAL OPEN ICU_ID ICU CAL SHORT ICU_ID ICU CAL MATCH ICU_ID ICU CAL THROUGH ICU_ID Connects the VNA port of the related Inline Calibration Unit to its built in OPEN SHORT or MATCH calibration standard or establishe...

Страница 42: ...te puts the Start Cal button of the related Inline Calibration Unit into ARMED state LED blinking Issuing ICU CAL STOP in TRIGGERED or ARMED state puts the Start Cal button of the related Inline Calibration Unit into IDLE state Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 Usage Event ICU SHOW BUTton STATE ICU_ID Queries the state of the related Inline Calibrati...

Страница 43: ...AL START command an then poll the button state to take the appropriate actions when the user presses the Start Cal button i e when the TRIGGERED state is observed Finally it should send the ICU CAL STOP command to go back to IDLE state Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 Return values response 0 IDLE 1 ARMED Waiting for the user to press the Start Cal ...

Страница 44: ...zip archives in the directory ICU_ID From there they can be downloaded via FTP The factory calkit file is named Factory zip the user calkit files are named User1 zip User2 zip see ICU CALKIT USER WRITE on page 45 Parameters ICU_ID ID of a connected Inline Calibration Unit see ICU_ID on page 38 Usage Event Manual operation See Read Factory Characterization R S ZN Z32 Z33 on page 55 ICU CALKIT USER ...

Страница 45: ... at the ICU Use ICU CALKIT USER DELete to delete existing user characterizations and free the required storage space Note Before uploading the calkit file to the ICC via FTP it must be packed to a zip archive named according to DOS 8 3 filename conventions On the SD card of the ICC the zip archive must be placed in the related ICU s dedicated directory ICU_ID see ICU_ID on page 38 On the ICU the a...

Страница 46: ...h memory of the related Inline Calibration Unit see ICU CALKIT USER WRITE on page 45 Parameters Src_UCkitNo String identifying the related ICU and the user calkit file to be deleted It is composed of the ICU_ID an and the user calkit number Note After the deletion the remaining user cal kits on this ICU are renumbered automatically Usage Event Remote Control Commands ...

Страница 47: ...f the Inline Calibration Units R S ZN Z32 Z33 are recharacterized in regular intervals The recharacterization interval should not exceed one year 5 2 Replacing Fuses The Inline Calibration Controller R S ZN Z30 is protected by two fuses IEC60127 T3 15H 250 V stock no 0099 6729 00 located in the fuse drawer below the AC power switch on the rear panel Risk of electric shock The fuse is part of the m...

Страница 48: ... Calibration Unit disconnect it from any RF or CAN bus cable Instrument damage caused by cleaning agents Cleaning agents contain substances such as solvents thinners acetone etc acids bases or other substances Solvents can damage the front panel labeling plastic parts or screens for example Never use cleaning agents to clean the outside of the instrument Use a soft dry lint free dust cloth instead...

Страница 49: ... components just as they were originally packed The protective covers guard the controls and con nections against damage The anti static packaging film prevents undesired elec trostatic charges If you no longer have the original packaging employ a sturdy cardboard box of a suitable size Ensure that there is enough padding to keep the respective system component from slipping around inside the pack...

Страница 50: ...Maintenance R S ZN Z3x 50 User Manual 1177 6381 02 03 Packing and storage ...

Страница 51: ... factory characterization data of the ICU from the SD card of the ICC Read user characterization data from the ICU Write user characterization data to the ICU Update the firmware of an Inline Calibration Unit R S ZN Z30 and or its attached Inline Calibration Units R S ZN Z32 Z33 6 1 Software Installation The ZN Z3x User tool can be installed on any PC running Windows 7 or higher In addition to the...

Страница 52: ...nd Starting on page 17 2 Connect the R S ZN Z30 via USB as described in Chapter 2 5 1 USB on page 20 When first connected to a particular USB port the R S ZN Z30 is auto detec ted by the operating system 3 Select All Programs Rohde Schwarz ZN Z3x ZN Z3x User from the Windows Start menu Result The ZN Z3x User tool is started and automatically connects to the detected R S ZN Z30 Getting Started ...

Страница 53: ...one of the connected R S ZN Z30 and displays its basic properties serial number firmware version number of connec ted Inline Calibration Units R S ZN Z32 Z33 After Inline Calibration Controllers have been connected or disconned the list of available devices must be updated manually using the Rescan but ton Device Panel ...

Страница 54: ...Calibration Units after press ing the Update ID List button in the Test Tab USB Devices available Rescan Allows to select one of the detected Inline Calibration Controllers Use the Rescan button to refresh the list of detected Inline Calibration Control lers and to retrieve their properties 6 4 Test Tab The Test tab allows to display the properties of the Inline Calibration Units con nected to the...

Страница 55: ...N Z30 and refreshes the R S ZN Z32 Z33 ID List Remote command ICC GET ID Read Factory Characterization R S ZN Z32 Z33 Reads the factory characterization data of the related Inline Calibration Units from the SD card of the selected R S ZN Z30 and saves them to a user defined folder Remote command ICU CALKIT FACT READ Read User Characterization R S ZN Z32 Z33 Reads the user characterization data of ...

Страница 56: ...of the selected Inline Cali bration Controller R S ZN Z30 Furthermore it allows to perform a firmware update on the R S ZN Z30 itself or on its connected Inline Calibration Units IP Setting Select DHCP if the R S ZN Z30 shall receive its IP configuration via DHCP or Fixed IP if the IP configuration shall be assigned manually Use Write all settings to ZN Z30 permanent to make the changes persistent...

Страница 57: ...s on the selected R S ZN Z30 Use Write all settings to ZN Z30 permanent to make the changes persistent Remote command ICC INIT LAN Restore Factory Defaults nonpermanent Restores the LAN and LED settings to their default values and activates them Use Write all settings to ZN Z30 permanent to make the changes persistent Write all settings to ZN Z30 permanent Writes the current LAN settings to the fl...

Страница 58: ...or Tab The System Monitor tab displays the IDs temperatures and firmware versions of the Inline Calibration Units connected to the selected R S ZN Z30 Use the Update button to retrieve the latest monitoring results from the selected Inline Calibration System System Monitor Tab ...

Страница 59: ...T LAN DNSADDR 35 ICC SET LAN GW 33 ICC SET LAN HOST NAME 32 ICC SET LAN IP 34 ICC SET LAN SNMask 34 ICC SHOW LAN DHCP 33 ICC SHOW LAN GW 33 ICC SHOW LAN HOST NAME 32 ICC SHOW LAN IP 34 ICC SHOW LAN MAC ADDRESS 32 ICC SHOW LAN SNMask 34 ICC WRITE SETTINGS 31 ICU CAL MATCH 41 ICU CAL OPEN 41 ICU CAL SHORT 41 ICU CAL START 42 ICU CAL STOP 42 ICU CAL THROUGH 41 ICU CALKIT FACT READ 44 ICU CALKIT USER ...

Страница 60: ...List of Commands R S ZN Z3x 60 User Manual 1177 6381 02 03 ICU SHOW BUTton STATE 42 ICU SHOW STATE 39 ICU SHOW TEMP 40 ICU SHOW VAR 40 ...

Страница 61: ...n 30 Read 40 Front panel Inline Calibration Controller 9 Functional Check 18 H Hardware variant Show 40 I ICU Port number 41 Inline Calibration Unit Firmware version 40 Hardware variant 40 identify 38 Start Cal button state 42 State 39 Status code 39 Temperature 40 Inline Calibration Units list all 38 Instrument Settings Reset 30 L LAN 11 Remote control interface 26 LAN settings Hostname 32 LAN Se...

Страница 62: ...Connectors 13 S Serial number 30 Settings Clock 31 Save 31 Start Application CAN bus 36 T Temperature Show 40 Through connection 41 U USB rear panel 11 Remote control interface 26 User Characterization Read 44 Write 45 46 V VNA port Inline Calibration Unit 13 VXI 11 Remote control protocol 26 ...

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