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OPEN?

[ROUTe:]OPEN? <channel_list>

returns the current state of the channel(s)

queried. channel_list has the form (@ccnn) (see [ROUTe:]OPEN for
definition). The command returns 1 if channel(s) are open or returns 0 if
channel(s) are closed.

Comments

•

Query is Software Readback: The ROUTe:OPEN? command
returns the current software state of the channels specified. It does
not account for relay hardware failures. A maximum of 127 channels
at a time can be queried for a multi-module switchbox.

Example

Query Channel Open State:
This example opens channels 100 and 213 of a two-module switchbox and
queries channel 213 state. Since channel 213 is programmed to be open, 1 is
returned.

OPEN (@100,213)

Open channels 100 end 213

OPEN? (@213)

Query channel 213 state

SCAN

[ROUTe:]SCAN <channel_list>

defines the channels to be scanned.

channel_list has the form (@ccnn) where cc = card number (01-99) and nn
= channel number (00-15).

Parameters

Parameter Name

Parameter Type

Range of Values

<channel_list>

numeric

cc00 - cc15

Comments

•

Defining Scan List: When [ROUTe:]SCAN is executed, the channel
list is checked for valid card and channel numbers. An error is
generated for an invalid channel list.

•

Scanning Channels: You can scan single channels (@ccnn);
multiple channels (@ccnn,ccnn,...); sequential channels
(@ccnn:ccnn); groups of sequential channels
(@ccnn:ccnn,ccnn:ccnn); or any combination.

•

Scanning Operation: When a valid channel list is defined,
INITiate[:IMMediate] begins the scan and closes the first channel in
the channel list. Successive triggers from the source specified by
TRIGger:SOURce advance the scan through the channel list.

•

Stopping Scan: See ABORt.

•

Related Commands: TRIGger, TRIGger:SOURce

•

*RST Condition: All channels open.

Example

Scanning Using External Device:
See Chapter 4, "Example: Scanning With External Devices" or "Example:
Scanning Using Trig Out and Event In Ports" for example scanning
programs using external instruments.

54 Agilent E1364A Form C Switch Command Reference

Chapter 5

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Содержание E1364A

Страница 1: ...6 Channel Form C Switch Module User s Manual Copyright Agilent Technologies Inc 2006 E1364 90002 E1364 90002 E0406 Manual Part Number E1364 90002 Microfiche Part Number E1364 99002 Printed April 2006 Edition 2 Rev 2 Printed in Malaysia E0406 ...

Страница 2: ......

Страница 3: ...ing User Inputs 18 Typical Switch Configurations 20 General Purpose Relay Configuration 20 Relay Control Configuration 20 Digital Output Configuration 22 Changing Form C Switch Components 23 Module Front Panel Connections 24 3 Using the Agilent E1364A Form C Switch 25 Using This Chapter 25 Form C Switch Commands 25 Switching Channels 26 Switching Channels Comments 30 Scanning Channels 31 Scanning ...

Страница 4: ...meters 43 Linking Commands 43 SCPI Command Reference 44 ABORt 44 ARM 45 COUNt 45 COUNt 46 DISPlay 47 MONitor CARD 47 MONitor STATe 48 INITiate 49 CONTinuous 49 CONTinuous 50 IMMediate 50 OUTPut 51 STATe 51 STATe 51 ROUTe 52 CLOSe 52 CLOSe 53 OPEN 53 OPEN 54 SCAN 54 SCAN MODE 55 STATus 55 OPERation EVENt 55 OPERation ENABle 56 SYSTem 56 ERRor 56 CDEScription 57 CTYPe 57 CPON 58 TRlGger 58 IMMediate...

Страница 5: ... B Agilent E1364A Form C Switch Registers 65 Register Definitions 65 Addressing the Registers 66 Reading the Registers 66 ID Device Type Registers 66 Status Control Register 66 Channel Enable Register 67 Writing to the Registers 67 Channel Enable Register 67 C Agilent E1364A Form C Switch Error Messages 69 Agilent E1364A Switch Module Table of Contents 3 ...

Страница 6: ...Notes 4 Agilent E1364A Switch Module Table of Contents ...

Страница 7: ...roducts that result from the Buyer s circuitry In addition Agilent does not warrant any damage that occurs as a result of the Buyer s circuit or any defects that result from Buyer supplied products NO OTHER WARRANTY IS EXPRESSED OR IMPLIED Agilent SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Exclusive Remedies THE REMEDIES PROVIDED HEREIN AR...

Страница 8: ...To avoid dangerous 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...

Страница 9: ...ncluding 93 68 EEC and carries the CE Marking accordingly Conforms with the following product standards EMC Standard CISPR 11 1990 EN 55011 1991 IEC 801 2 1991 EN 50082 1 1992 IEC 801 3 1984 EN 50082 1 1992 IEC 801 4 1988 EN 50082 1 1992 Limit Group 1 Class A 4kV CD 8kV AD 3 V m 0 5kV signal lines 1kV power lines The product was tested in a typical configuration with Agilent Technologies or Hewlet...

Страница 10: ...Notes 8 Agilent E1364A 16 Channel Form C Switch User s Manual ...

Страница 11: ...Notes Agilent E1364A 16 Channel Form C Switch User s Manual 9 ...

Страница 12: ...Notes 10 Agilent E1364A 16 Channel Form C Switch User s Manual ...

Страница 13: ...e VXIbus and VMEbus register based product which can be used for switching scanning control and digital output applications The switch can operate in a B Size VXIbus or VMEbus mainframe or with an adapter in a C Size VXIbus mainframe The module has 16 channels of Form C relays Each channel includes a relay with common C normally open NO and normally closed NC contacts For the Form C Switch switchi...

Страница 14: ...tate during power up or power down When a reset occurs all channel commons C are connected to the corresponding normally closed NC contacts User inputs outputs to each channel are via the NO NC and C terminal connectors on the terminal module Figure 1 1 Form C Switch Simplified Diagram 12 Getting Started with the Agilent E1364A Chapter 1 ...

Страница 15: ... is available for any switchbox configuration Programming the Switch To program the Form C Switch using SCPI you must know the module s logical address module number and the SCPI commands to be used Guidelines to select SCPI commands for the Form C Switch follow See the Agilent 75000 Series B Installation and Getting Started Guide for interface addressing and computer language information Note Thi...

Страница 16: ...ox Card Numbers Assume the three Form C Switches in the following figure form a switchbox instrument with switch logical addresses of 120 121 and 122 Since card number 01 is assigned to the module with the lowest logical address etc the card numbers are as shown Switch Channel Numbers Form C Switch channel numbers are 00 through 15 The channels can be addressed using channel numbers or channel ran...

Страница 17: ...Purpose Interface Bus GPIB GPIB is the implementation of the IEEE 488 2 1987 standard This program closes channel 02 of a Form C Switch at logical address 120 secondary address 120 8 15 and queries the channel closure state The result is returned to the computer and displayed 1 channel closed 0 channel open See the Agilent 75000 Series B Installation and Getting Started Guide for information on ad...

Страница 18: ...16 Getting Started with the Agilent E1364A Chapter 1 ...

Страница 19: ...urces from the mainframe and installed modules before installing or removing a module Caution MAXIMUM VOLTAGE CURRENT Maximum allowable voltage per channel for the module is 250 Vdc or 250 Vac RMS 350 V ac peak Maximum current per channel is 1 Adc or 1 Aac RMS non inductive Maximum power input is 40 W dc or 40 VA ac per channel or 320 W dc or 320 VA ac per module Exceeding any limit may damage the...

Страница 20: ... Connecting User Inputs The Form C Switch consists of a component module and a connector block User inputs to the Form C Switch are to the NO NC and C terminal connectors on the terminal block Figure 2 1 shows the connector block and associated channel numbers Figure 2 2 shows how to connect user field wiring to the connector block Figure 2 1 Form C Switch Terminal Block 18 Configuring the Agilent...

Страница 21: ...Figure 2 2 Wiring the Form C Switch Terminal Block Chapter 2 Configuring the Agilent E1364A Form C Switch 19 ...

Страница 22: ...connected When the relay is closed the NO terminal is connected to the C terminal and Load 2 is connected Relay Control Configuration By connecting jumpers you can use the Form C Switch to drive control external relays The source can be 5V NO 5V NC 12V NO or 12V NC depending on the jumpers connected on the switch See Figure 1 1 in Chapter 1 for jumper numbers and see Figure 2 6 for jumper location...

Страница 23: ...to external relays 1 and 2 When the Form C Switch channel 00 relay is open external relay 1 is connected to ground and 5V is applied to external relay 1 When the Form C Switch channel 00 is closed external relay 2 is connected to ground and 5V is applied to external relay 2 Figure 2 4 Example Relay Control Configuration Chapter 2 Configuring the Agilent E1364A Form C Switch 21 ...

Страница 24: ...er circuits should not exceed 1 A per Form C Switch for the 5V supply or 0 5 A per Form C Switch for the 12V supply You should fuse all external equipment to ensure excess current is not drawn Example Digital Output Configuration Figure 2 5 shows channel 00 configured for digital output operation When the channel 00 relay is open NC connected to C point A is at 5V When the channel 00 relay is clos...

Страница 25: ...he Logical Address switch setting Change interrupt priority jumper positions Replace fuses on the switch component module See Figure 2 6 for component locations Figure 2 6 Form C Switch Component Locations Chapter 2 Configuring the Agilent E1364A Form C Switch 23 ...

Страница 26: ... to use the supplied connector block Figure 2 7 shows the E1364A front panel and the connection diagram for wiring your own terminal connector Figure 2 7 E1364A Front Panel and Wiring Diagram 24 Configuring the Agilent E1364A Form C Switch Chapter 2 ...

Страница 27: ...tch Commands Table 3 1 Form C Switch Commands in Chapter 3 Command Description INIT IMM Starts the scan sequence and closes the first channel in the channel list OUTP STAT ON Enables the Agilent E1300B E1301B Trig Out port to output pulses ROUT CLOS channel_list Closes the channels in the channel list ROUT CLOS channel_list Queries the state of the channels in the channel list ROUT OPEN channel_li...

Страница 28: ...ommon C terminal channel_list has the form ccnn where cc card number 01 99 and nn channel number 00 15 Example Voltage Switching This example closes channel 00 of a Form C Switch to switch the load voltage E from Load 1 to Load 2 When the channel relay is open the load voltage is applied to Load 1 When the relay is closed the voltage is applied to Load 2 See Figure 3 1 for typical user connections...

Страница 29: ...ay When the microwave relay NC contact is closed 5V is applied to the microwave NC coil and the coil is energized The same actions occur for the NO side of the microwave relay if the Form C Switch channel 00 relay is closed NO connected to C To close channel 00 execute CLOSE 100 Close channel 00 relay connect NO to C 1 is the card number and 00 is the channel number To open channel 00 use OPEN 100...

Страница 30: ... for the 10 dB and 20 dB steps The Agilent 8761A and Agilent 33300A C operate from a 12 15V coil voltage while the Agilent 8761B and Agilent 33300B D operate from a 24V 30V coil voltage For example to close channel 00 execute CLOS 100 Close channel 00 relay connect NO to C 1 is the card number and 00 is the channel number To open channel 00 use OPEN 100 Figure 3 3 Example Controlling RF Switches S...

Страница 31: ... C points 1 and 2 are both at 0 V This configuration is useful for 24V or 48V control logic since this type of application cannot be met with the configuration shown in Chapter 2 Figure 2 5 To close channel 00 execute CLOS 100 Close channel 00 relay connect NO to C 1 is the card number and 00 is the channel number To open channel 00 use OPEN 100 Figure 3 4 Example Digital Output Configuration Chap...

Страница 32: ...nel numbers To open the channels use OPEN 102 113 Switching Channels Comments Query Channel States Use ROUTe CLOSe channel_list or ROUTe OPEN channel_list to query the channel state open closed ROUTe CLOS returns a 1 for channel s closed 0 for channel s open ROUTe OPEN returns a 0 for channel s closed 1 for channel open Commands are software queries and do not account for relay hardware failures C...

Страница 33: ...pical user connections For this example the mainframe and instrument are connected via GPIB to an Agilent E1300B E1301B mainframe with an address of 709 and an external instrument such as an Agilent 3457A Multimeter with an address of 722 The Form C Switch is at logical address 120 secondary address 15 Note You must add required instrument commands to line 10 Also you may need to add a WAIT statem...

Страница 34: ...For example for a two module switchbox instrument SCAN 100 215 will scan all channels of both Form C Switches Setting Multiple Continuous Scans Use ARM COUNt number to set from 1 to 32767 scans Use INITiate CONTinous ON to set continuous scanning See Chapter 4 for details Figure 3 6 Example Scanning Using Trig Out Port 32 Using the Agilent E1364A Form C Switch Chapter 3 ...

Страница 35: ... a set of channels connecting NO to C one channel at a time Single scan multiple 2 to 32767 scans or continuous scanning modes are available See Figure 4 1 for scanning commands Using Scanning Trigger Sources TRIG SOUR specifies the source to advance the scan Use the TRIG command to advance the scan when TRIG SOUR BUS or TRIG SOUR HOLD is set The OUTP command enables the Agilent E1300B E130lB or A...

Страница 36: ...ther NONE or VOLT sets the switch for no measurement i e the command has no effect on Form C Switch operation Selects the Channel List for Scanning SCAN channel_list defines channels to be scanned using trigger source set by TRIG SOUR command Enables Scanning Enables scanning for any trigger source and closes the first channel in the channel list Advances Channel List This command advances the cha...

Страница 37: ...y all instruments in the mainframe With the port enabled with OUTP ON it generates an output trigger each time after a channel closure for ANY switchbox in the mainframe The TRIG OUT port outputs a 5 V negative going pulse Immediate Triggering TRIG SOUR IMM TRIG SOUR IMM sets immediate internal triggering The scan list is automatically advanced This is the default trigger mode External Triggering ...

Страница 38: ...e added to line 10 and you may need to add a WAIT statement as line 65 for long measurements The sequence of operation is 1 INlT line 50 closes channel 100 2 Closure causes trigger output from the Trig Out port 3 Trigger to Ext Trig In initiates channel 100 measurement 4 Result is sent to the computer lines 60 80 5 TRIGGER line 90 advances the scan to channel 101 6 Steps 2 5 are repeated for chann...

Страница 39: ...acity to store the readings Also you must add the appropriate instrument commands to line 10 The sequence of operation is 1 INIT line 50 closes channel 100 2 Closure causes trigger to be output from Trig Out port 3 Trigger to Ext Trig In initiates channel 100 measurement 4 Channel 100 measurement result is stored in instrument 5 Trigger is then output from Measurement Complete port 6 Trigger to Ev...

Страница 40: ...upt The following example monitors bit 7 in the Status Register to determine when the scanning cycle completes The computer used in this example is an HP 9000 Series 200 300 used with BASIC as the programming language The computer interfaces with an Agilent E1300B E1301B Mainframe over GPIB The GPIB select code is 7 the GPIB primary address is 09 and the GPIB secondary address is 15 10 OUTPUT 7091...

Страница 41: ...id therefore the command does not save a scan list SCAN MODE SCAN PORT Recalling States The RCL numeric_state command recalls the state when the last SAV was executed for the specified numeric_state parameter 0 9 If no SAV was executed for the numeric_state RST default settings are used Refer to the SAV settings list for the settings recalled by RCL The RST command opens all channels invalidates t...

Страница 42: ...nt s error register The err_message is a short description of the error followed by further information about the error If no error occurs the switchbox responds with 0 No error If there has been more than one error the instrument will respond with the first one in its error queue Subsequent queries continue to read the error queue until it is empty The maximum err_message string length is 255 cha...

Страница 43: ...m functions like reset self test status byte query etc Common Commands are four or five characters in length always begin with the asterisk character and may include one or more parameters The command key word is separated from the first parameter by a space character Some examples of Common Commands are shown below RST ESR 32 STB SCPI Command Format The SCPI commands perform functions like closin...

Страница 44: ...e both acceptable forms Other forms of MEASure such as MEASU or MEASUR will generate an error You may use upper or lower case letters Therefore MEASURE measure and MeAsUrE are all acceptable Implied Commands Implied commands are those which appear in square brackets in the command syntax Note that the brackets are not part of the command and are not sent to the instrument Suppose you send a second...

Страница 45: ...own within square brackets are optional parameters Note that the brackets are not part of the command and are not sent to the instrument If you do not specify a value for an optional parameter the instrument chooses a default value For example consider the ARM COUNt MIN MAX command If you send the command without specifying a parameter the present ARM COUNt value is returned If you send the MIN pa...

Страница 46: ...abled from an interface an interface CLEAR command or the Agilent E130lA front panel Reset Instr or Clear Instr keys can be used to stop the scan When the scan is enabled from the interface and TRIG SOUR BUS or HOLD is set use ABORt or the Agilent E130lA front panel Reset Instr or Clear Instr keys to stop the scan Stopping Scan Enabled From Front Panel When a scan is enabled from the Agilent E1301...

Страница 47: ...r Type Range of Values number numeric 1 32767 l MIN l MAX Comments Number of Scans Use only values between 1 and 32767 for the number of scanning cycles Related Commands ABORt INITiate IMMediate RST Condition ARM COUNt 1 Example Setting Ten Scanning Cycles This example sets a Form C Switch for 10 scans of channels 00 through 03 When the scan sequence completes channels 00 through 03 relays 00 thro...

Страница 48: ...ers Parameter Name Parameter Type Range of Values MIN MAX numeric MIN 1 MAX 32767 Comments Related Commands INITiate IMMediate Example Query Number of Scans This example sets a switchbox for 10 scanning cycles of channels 00 through 03 and queries the number of scan cycles set The ARM COUN command returns 10 ARM COUN 10 Set 10 scans per INIT command ARM COUN Query number of scans 46 Agilent E1364A...

Страница 49: ...ed Parameters Parameter Name Parameter Type Range of Values number AUTO numeric 1 99 Comments Selecting a Specific Module to be Monitored Use the DISPlay MONitor CARD command to send the card number for the switchbox to be monitored Selecting the Present Module to be Monitored Use the DISPlay MONitor CARD AUTO command to select the last module addressed by a switching command e g ROUTe CLOSe RST C...

Страница 50: ...itor STATe 0 turns the monitor mode OFF Selecting the Module to be Monitored Use the DISPlay MONitor CARD number AUTO command to select the module Monitor Mode on an Agilent E1301B Mainframe Display A typical display for the Agilent E1364A Form C Switch module follows where all channels all relays are closed 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RST Condition DISPlay MONitor STATe OFF 0 Example En...

Страница 51: ...can cycle repeats Non Continuous Scanning Operation Non continuous scanning is enabled with the INITiate CONTinuous OFF or INITiate CONTinuous O command Sending the INITiate IMMediate command closes the first channel in the channel list Each trigger from a trigger source selected by the TRIGger SOURce command advances the scan through the channel list At the end of the scanning cycle the last chan...

Страница 52: ...d by the TRIGger SOURce command advance the scan through the channel list Comments Starting the Scanning Cycle The INITiate IMMediat command starts scanning by closing the first channel in the channel list Each trigger received advances the scan to the next channel in the channel list An invalid channel list definition causes an error see ROUTe SCAN Stopping Scanning Cycles See ABORt Example Enabl...

Страница 53: ...ures The output pulse is a 5 V negative going pulse Trig Out Port Shared by Switchboxes When enabled the Trig Out port is pulsed each time a scanned channel is closed To disable the output for a specific switchbox send the OUTPut STATe OFF or OUTPut STATe 0 command for that switchbox Related Commands ROUTe SCAN TRIGger SOURce RST Condition OUTPut STATe OFF port disabled Example Enabling Trig Out P...

Страница 54: ...00 cc15 Comments Closing Channels To close a single channel use ROUTe CLOSe ccnn for multiple channels use ROUTe CLOSe ccnn ccnn for sequential channels use ROUTe CLOSe ccnn ccnn for groups of sequential channels use ROUTe CLOSe ccnn ccnn ccnn ccnn or any combination Closure order for multiple channels with a single command is not guaranteed Related Commands ROUTe OPEN ROUTe CLOSe RST Condition Al...

Страница 55: ...d 2l3 state OPEN ROUTe OPEN channel_list opens the Form C Switch channels specified by channel_list channel_list has the form ccnn where cc card number 01 99 and nn channel number 00 15 Parameters Parameter Name Parameter Type Range of Values channel_list numeric cc00 cc15 Comments Opening Channels To open a single channel use ROUTe OPEN ccnn for multiple channels use ROUTe OPEN ccnn ccnn for sequ...

Страница 56: ...hannel number 00 15 Parameters Parameter Name Parameter Type Range of Values channel_list numeric cc00 cc15 Comments Defining Scan List When ROUTe SCAN is executed the channel list is checked for valid card and channel numbers An error is generated for an invalid channel list Scanning Channels You can scan single channels ccnn multiple channels ccnn ccnn sequential channels ccnn ccnn groups of seq...

Страница 57: ...alue of the Operation Status Register only bit 8 is used by the Form C Switch Comments Setting Bit 8 of the Operation Status Register Bit 8 Scan Complete is set to 1 after a scanning cycle completes Bit 8 returns to 0 after sending the STATus OPERation EVENt command Returned Data After Sending STATus OPERation EVENt The command returns 256 if bit 8 of the Operation Status Register is set to 1 The ...

Страница 58: ...and returns the types and descriptions of modules cards in a switchbox Subsystem Syntax SYSTem ERRor CDEScription number CTYPe number CPON number ALL ERRor SYSTem ERRor returns the error numbers and corresponding error messages in the error queue of a switchbox See Appendix C for a listing of some switchbox error numbers and messages Comments Error Numbers Messages in the Error Queue Each error ge...

Страница 59: ...9 Comments Form C Switch Module Description The SYSTem CDEScription number command returns 16 Channel General Purpose Relay Example Reading the Description of a Card 1 Module SYST CDES 1 Returns the description CTYPe SYSTem CTYPe number returns the module card type of a selected module in a switchbox Parameters Parameter Name Parameter Type Range of Values number numeric 1 99 Comments Form C Switc...

Страница 60: ...controls the triggering operation of Form C Switch modules in a switchbox Subsystem Syntax TRIGger IMMediate SOURce BUS EXTernal HOLD IMMediate SOURce IMMediate TRIGger IMMediate causes a trigger event to occur when the defined trigger source is TRIGger SOURce BUS or TRIGger SOURce HOLD Comments Executing the TRIGger IMMediate Command A channel list must be defined with ROUTe SCAN channel_list and...

Страница 61: ...command only selects the trigger source The INITiate IMMediate command enables the trigger source Using the TRIG Command You can use TRIGger IMMediate to advance the scan when TRIGger SOURce BUS or TRIGger SOURce HOLD is selected Using External Trigger Inputs With TRIGger SOURce EXTernal selected only one switchbox at a time can use the external trigger input at the Agilent E1300B E1301B mainframe...

Страница 62: ...n to next channel Scanning Using Bus Triggers This example uses bus triggering TRIG SOUR BUS to scan channels 00 through 03 of a single module switchbox The trigger source to advance the scan is the TRG command as set with TRIGger SOURce BUS When INIT is executed the scan is started and channel 00 is closed Then each TRG command advances the scan to the next channel TRIG SOUR BUS Select interface ...

Страница 63: ...te See note below See note below See note below CLS ESE ESE ESR SRE SRE STB Clear status Event status enable Event status enable query Event status register query Service request enable Service request enable query Read status byte query Clears all status registers see STATus OPERation EVENt See note below See note below See note below Enables status register bits see Chapter 4 for operation See n...

Страница 64: ...EVENt Enables the Operation Status Register to set a bit in the Status Register Returns status of Operation Status Register SYSTem CDEScription number CPON number ALL CTYPe number ERRor Returns description of module in a switchbox Sets specified module to its power on state Returns the module type Returns error number message in a switchbox Error Queue TRIGger IMMediate SOURce BUS SOURce EXTernal ...

Страница 65: ...A 12V 0 5 A Insertion Loss 100kHz 0 1dB 10MHz 3 0dB Capacitance C to NC or NO 20pF Chan to Chan 20pF Relay Life typical No load 106 operations Max load 105 operations Power Up Down States all open left in last state Terminals screw type max wire size 16 AWG Module Size Device Type B register based Connectors Used P1 No Slots 1 VXIbus Interface Capability Interrupter D16 Interrupt Level 1 7 selecta...

Страница 66: ...s contact resistance increases When the resistance exceeds a predetermined value the relay should be replaced Stability of Contact Resistance The stability of the contact resistance decreases with age Using this method the contact resistance is measured several 5 10 times and the variance of the measurements is determined An increase in the variance indicates deteriorating performance Number of Op...

Страница 67: ...Read 1 A16 only Module ID Code Returns FF2016 16 Channel Form C Switch Status Control Register b 0416 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Write Undefined Read FF16 B 7F16 R Switch reset to power on state all switches open B Status busy is true low in bit 7 FF7F16 Channel Enable Register b 0816 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Write CH15 CH14 CH13 CH12 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 C...

Страница 68: ...120 78 so the base address 7816 4016 C16 DE0016 Then for example to address the Status Control register of a Form C Switch in an Agilent E1300B E1301B the register address A16 location 16 base address 16 register offset 16 lF000016 DE0016 0416 lFDE0416 Reading the Registers You can read the following Form C Switch registers ID register base 0016 Device Type register base 0216 Status Control regist...

Страница 69: ... to bit 0 to complete the reset Note All relays are latching and will remain in the last state during power down and power up unless a reset occurs A reset connects all channel common C terminals to the corresponding normally closed NC terminals Any combination of channel open or closed states is allowed Channel Enable Register Writes to the Channel Enable register base 0816 enable you to open or ...

Страница 70: ...68 Agilent E1364A Form C Switch Registers Appendix B ...

Страница 71: ...number Addressing a module card in a switchbox that is not part of the switchbox 2001 Invalid channel number Attempting to address a channel of a module in a switchbox that is not supported by the module e g channel 99 of a multiplexer module 2006 Command not supported on this card Sending a command to a module card in a switchbox that is unsupported by the module 2008 Scan list not initialized Ex...

Страница 72: ...70 Agilent E1364A Form C Switch Error Messages Appendix C ...

Страница 73: ...d Quick Reference 62 Command Reference 41 62 Command Separator 42 Command Types 41 Commands Abbreviated 42 Common Commands 41 Implied 42 Linking 43 Parameters 43 SCPI 41 Separator 42 Common Command Format 41 Common Commands 63 Configuration 13 20 Conformity declaration 7 Connecting User Inputs 18 Connector Front Panel 24 Connectors 18 CONTinuous 49 CONTinuous 50 Control Register 65 66 Controlling ...

Страница 74: ...ed Commands 42 INIT CONTinuous 49 INIT CONTinuous 50 INIT IMM 25 INIT IMMediate 50 Initial Operation 15 INITiate Subsystem 49 Instrument Definition 11 Interrupt PriorityLogical Address 23 J Jumpers 12 22 L Latching Relay 12 Linking Commands 43 M Mainframes 13 Matrix Switching 30 Microwave Relays 27 Module Description 13 Module Numbers 14 MON CARD 47 MON STAT 48 O OPEN 53 Operation Status Register ...

Страница 75: ...TATe 51 STATus Subsystem 55 Status Control Register 65 66 STATus OPERation ENABle 56 STATus OPERation EVENt 55 Step Attenuators 28 Stopping a Scan 44 Storing States 39 Switch Channel Addresses 13 Switch Channel Numbers 14 Switch Description 11 Switch Registers 65 68 Switchbox 13 Switching Channels 26 SYSTem Subsystem 56 SYSTem CDEScription 57 SYSTem CPON 58 SYSTem CTYPe 57 SYSTem ERRor 40 56 T Ter...

Страница 76: ...74 Agilent E1364A 16 Channel Form C Switch Index ...

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