SM7000N SERIES - VTI Instruments
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1. Example 2 LA Divide decimal by 16 LSB 200 200 16 12 w 8 remaining Divide by 16 1100 1000 Convert MSB and LSB EC 8 Convert to hexadecimal Set the back switch to C and the front switch to 8 BACK FRONT 45 45 DE Um 296 oo v d vw A gt gt ge do FIGURE 2 2 LOGICAL ADDRESS EXAMPLE 2 Here is another way of looking at the conversion LA back switch x 16 front switch 1 16 9 1649 25 Set the address switches to FF for dynamic configuration Upon power up the resource manager will assign a logical address See Section Dynamic Configuration in the VXIbus Specification for further information There is only one logical address per SMIP I base unit Address assignments for individual modules are handled through the A24 A32 address space allocation SELECTING THE EXTENDED MEMORY SPACE The Extended Memory Space of SMIP JI is set by a DIP switch that is located on the bottom edge of the interface card Position 1 located to the left on the DIP switch selects between A24 and A32 memory address space In the UP position SMIP 77 will request A24 space In the DOWN position the SMIP will request A32 space Position 2 is not currently used The selection of the address space should be based upon the memory allocation requirements of the system that the SMIP module will be installed The amount of memory allocated to the SMIP 77 module is independent2. ee en 13 29 U utilizing A32 extended memory 36 SM7000N Switch Configuration 51 VXI Technology Inc 52 SM7000N Index
3. E Technology SM7000N SERIES MICROWAVE SWITCH USER S MANUAL P N 82 0046 001 Released February 7 2006 VXI Technology Inc 2031 Main St Irvine CA 92614 949 955 1894 www vxitech com TABLE OF CONTENTS INTRODUCTION Cert ifiCatIOD2o 5 Warranty ieget cmo Imo a re e e pte pl tear ente beth 5 I nntation of Warranty ciet tesi eee tenti de bue eei ib ect m test cesi deste Eden 5 Restncted Rights Legend o gni a eR GUARD Fe C EA aaa 3 DECLARATION OF CONFORMITY 6 GENERAL SAFETY INSTRUCTIONS irse hebes eie ticos er lee eere 6 Terms and Symbols Warnings SUPPORT RESOURCES INTRODUCTION 5 A A o onn be 11 QV ELVIE W ti ere Heu etenim tete MIE cul Ua NA manaa ka taste e dre er 11 Programming wis HE 13 Automatic Scanmnes one oh Haves ete hea D et P b hte Anis dale Ai e rA OR Re beo ros 13 Programmable Timing Delays eese enne ener ennt nre trennen 13 Safety Interruption deeem tte e tene 13 Break Before Make Make Before Break Operation eese eene enne 13 SECTION perc U PREPARATION FOR USE ctio eee ete te ta rt Pa KEKI 17 Introduction 17 Calculating System Power and Cooling Requirements eese eene nennen ener nre 17 Setti
4. FIGURE 4 12 PASS THROUGH ADAPTER RELAY WIRING W EXTERNAL POWER SOURCE SM7000N Switch Configuration 49 VXI Technology Inc 50 SM7000N Switch Configuration www vxitech com INDEX A A16 address space A6 base Address eee mte ees 16 offset register m5 16 offset register address ses 21 A24 address Space esee edere Pee teens 21 A24 base address A24 A32 active A24 A32 enable 2 24 A24 A32 memory offset essen 24 A32 address Space ice eee esee ee 21 A32 base address A Access LED Fail bit inedite tees 32 ACFAILN enable bit eese 32 address Space ee detinet teer Meee 19 23 B backplane jumpers BBM MBB bit YA BBM MBB enable bit eee 32 Break Before Make eee 13 Cause Sfatus cei ten Rep E Rc Ene 25 command parsing 2221 configuration registers 2592 17 data 34 delay m delay esee Ree device class dete idee tete tdi direct register access dynamic configuration E extended memory device esee 26 extended memory space 19 F firmware version number esee 24 Front Panel Open signal operation select bit 33 Front Panel Open signal polarity bit 33 Front Panel Open sign
5. 23 VXI Technology Inc Control Register 0x04 Write Only 1 write a 1 to this bit to enable A24 A32 memory D15 A24 A32 Enable access 0 to disable access D14 D2 Reserved Writes to these bits have no effect Di Sysfail Inhibit Write a 1 to this bit to prevent the module from asserting the SYSFAIL line 2 write a 1 to this bit to force the module into a DO Reset reset state 0 write a 0 to release the reset state Offset Register 0x06 Read and Write The value written to this 16 bit register times 256 sets the base address of the A24 memory space used by the module The value written to this 16 bit register times 65 536 sets the base address of the A32 memory space used by the module A read from this register reflects the previously written value Because of the required memory size bits D4 DO are disregarded on writes and always read back as 0 Upon receiving a hard reset all bits in this register are set to 0 A soft reset does not affect the value in this register A24 A32 Memory D15 D9 Offset Reserved Register 0 0 Read Only D15 D0 Not Implemented Always read back as Reserved Register 0x0C Read Only D15 D0 Not Implemented Always read back as FFFF Version Number Register 0 0 Read Only D15 D8 WI us Not applicable reads back as 0016 D7 D4 Major Hardware Version
6. Configuration www vxitech com 4 Gently pull the switch forward until the connector is in view See Figure 4 8 FIGURE 4 8 PARTIAL REMOVAL OF SWITCH 5 Grasp the connector and switch and remove the switch from the connector ensuring that stress between the connector and chassis is minimized to reduce the possibility of removing the pigtail from its connector in the chassis See Figure 4 9 FIGURE 4 9 DISCONNECTING THE SWITCH SM7000N Switch Configuration 45 VXI Technology Inc PASS THROUGH ADAPTERS INTRODUCTION The SM7276N pass through adapter allows the SM7000N modules to control externally mounted relays The adapter has eight sinking driver outputs a common ground and 24 V from the VXI back plane to the front panel Each output is designed to sink up to 500 mA each and provides inductive fly back protection Fly back protection is provided by an internal 56 V Zener diode from each driver output to ground Each output uses current flow to sense read back and requires a minimum of 5 mA to flow though the driver to indicate a relay operation This insures that the driver circuit is operating and all the wiring to the remote relay is intact Because the driver is a current sinking type the external relay may be powered from the provided 24 V or from an external power source The amount of current the 24 V pin can provide is 500 mA maximum and is protected by a self healing fuse The total module current
7. Depends on the specific hardware revision of the Number SMIP JI interface board D3 D0 Minor Hardware Version Depends on the specific hardware revision of the Number SMIP JI interface board SM7000N Programming www vxitech com Interrupt Status Register 0x1A Read Only D15 Scan Function done The latest scan list update is complete The Openbus was activated by one or more D14 ue inputs See of Openbus in the module register section D13 Module 5 D12 Module 4 and D8 Module 0 D13 D8 Moules eet 2 Busy The programmed Busy signal from one of the modules has timed out This indicates that the relays actuated for that Busy cycle have settled and a measurement may take place 7 Reserved Always reads back as FFFFj NOTE This status register may be used in a polled fashion rather than allowing the events above to generate an Interrupt A read of this register will clear any active bits Bits that are not set or are about to be set are not affected by a read of this register Interrupt Control Register 0 1 Read and Write D15 Scan Function done 0 enabled mask bit disabled D14 Openbus Active Event 0 enabled true mask bit disabled 0 enabled 1 disabled D13 D8 Module 0 5 Busy D13 Module 5 D12 Module 4 and D8 Module 0 0 writing a 0 to this bit enables interrupter capabilities
8. Front Panel Open Signal Polarity Bit 0 Non inverted Front Panel Open signal polarity 1 Inverted Front Panel Open signal polarity Pon state 0 Non inverted If set in pulse mode the Front Panel Open signal will generate a reset pulse on a falling edge If set in level mode the Front Panel Open signal will generate a reset signal on a low input signal Inverted If set in pulse mode the Front Panel Open signal will generate a reset pulse on a rising edge If set in level mode the Front Panel Open signal will generate a reset signal on a high input signal DO Front Panel Open Signal Operation Select Bit 0 Pulse mode 1 Level mode Pon state 0 Pulse mode An edge seen at the Front Panel Open signal pin will generate a reset pulse that may be used to reset system relays The pulse is of approximately 300 ns duration Level mode A level present on the Front Panel Open signal pin will generate a reset signal that may be used to reset system relays This signal will remain active as long as the input is active On the front panel of most SMIP JI plug in modules there are two pins for access to the module s Front Panel Open signal These are the Front Panel Open signal pin and a ground reference pin The purpose of the Front Panel Open signal is to allow user access to a configurable interlock feature that will reset all of the SMIP 77 system relays The Front Panel Open signal may be used to reset the rel
9. Mini Transfer Switch SM7276N Pass Through Adapter Model DC 26 5 GHz Relay Type SM7282N SP4T Non latching SM7284N SP6T Non latching 12 SM7000N Introduction www vxitech com PROGRAMMING The SMIP JI family of switch modules is programmed using direct register access for fast data throughput Automatic Scanning A predefined sequence of channels can be programmed into an extensive scan list that can be incremented by a trigger This approach relieves the host controller from having to tie up the VXIbus backplane when scanning Programmable Timing Delays A delay can be programmed between relay closures to allow for settling times of other system resources When used with triggers a controlled synchronous switching system can easily be configured Safety Interrupt This is a programmable fail safe feature that allows all relays to open based upon the occurrence of a selected TTL backplane trigger This allows signals to be removed from the unit under test if a system fail safe occurs such as inadvertent removal of a test adapter Break Before Make Make Before Break Operation This feature allows automatic Break Before Make BBM and Make Before Break MBB operations It is programmed simply by setting user configurable options In BBM operation all opening relays are guaranteed to open prior to any closing relays being set The relay open or close time is user configurable as well In MBB operation t
10. Support Phone 949 955 1894 Fax 949 955 3041 E mail support vxitech com Visit http www vxitech com for worldwide support sites and service plan information Preface VXI Technology Inc 10 Preface www vxitech com SECTION 1 INTRODUCTION OVERVIEW The SM7000N Microwave Switch Module is a member of the VXI Technology SMIP family which offers a modular design allowing custom switching configurations The SM7000N is a single wide C size VXI module which can support up to six different microwave switches in any combination of SPDT through SP6T relays Blanking plates cover any unused switch positions see Figure 1 1 FIGURE 1 1 SM7000N MICROWAVE SWITCH MODULE SM7000N Introduction 11 VXI Technology Inc Using the SMIP JI family for microwave switching the user obtains the following benefits over other VXI microwave switch solutions Density Up to six 1 x 6 microwave relays can be housed in a single VXIbus slot Modularity Each SM7000N switch module can house up to six switches or building blocks which can be mixed and matched for the final configuration There are eight of these building blocks from which to chose The following table lists the different switch available in the SM7000N series SM7000N SERIES SWITCH OPTIONS MODEL DC 18 GHz Relay Type SM7270N Dual SPDT Non latching SM7272N SP4T Non latching SM7274N SP6T Non latching SM7275N
11. for module 5 D12 is for module 4 D8 is for D13 D8 FAIL LED Control module 0 0 Off 1 On Board Busy 4 Trigger Slope 0 acts on the falling edge 1 acts on the rising edge Relay Open Input D3 Slope 0 acts on the falling edge 1 acts on the rising edge D2 BER rc id 0 sets the falling edge active 1 sets the rising edge active Di Trace Advance 0 advances on the falling edge 1 advances on the rising Input Slope edge DO Pur 0 sets the falling edge active 1 sets the rising edge active Output Slope g eog g eog NOTE A hard or a soft reset sets D3 DO to 0 28 SM7000N Programming www vxitech com Trace RAM Control Register 0x3A Read and Write D15 D10 Modules Installed D15 is for module 5 D10 is for module 0 Set to O if the module is installed or set to a 1 if not installed These bits are set to 0 at power on By setting a 1 SMIP H Interface PCB will generate DTACK for any read or write cycles to the memory space of the uninstalled plug in modules D9 D4 Modules used in trace mode D9 is for module 5 D4 is for module 0 Set to 1 if the module is used in trace mode set to O if not in trace mode D3 D2 Unused Data written to these bits have no effect The value written 1s read back DI LOOP ENABLE 1 Enabled 0 Disabled If enabled the trace resumes at the start of active RAM and continues from there If disabled the trace st
12. of the address space selected SM7000N Preparation for Use 19 VXI Technology Inc 20 SM7000N Preparation for Use www vxitech com SECTION 3 PROGRAMMING REGISTER ACCESS ADDRESSING The SMIP modules are VXIbus register based devices for high speed data retrieval Register based programming is a series of reads and writes directly to the switch module registers This eliminates the time for command parsing thus increasing speed The VTI switching modules utilize either the A24 or A32 space of the shared memory architecture To read or write to a module register a register address needs to be specified This is done by using the offset value assigned by the resource manager and multiplying it by 256 or 64k to get the base address in A24 or A32 address space respectively A24 Base Address Offset value OxOOFF or 256 A32 Base Address Offset value OXFFFF or 65 535 The A24 or A32 offset value assigned by the resource manager can also be accessed by reading the A16 Offset Register To address the A16 Offset Register use the following formula A16 Base Address Logical Address 64 0xC000 or 49 152 then A16 Offset Register Address A16 Base Address 6 See following for the A16 Memory Map and the A24 A32 address space allocation SM7000N Programming 21 OFFSET VXI Technology Inc TABLE 3 1 SMIP ITM REGISTER MAP A16 WRITE FUNCTION READ FUNCTION Trace Advance B
13. product conforms to the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 366 EEC inclusive 93 68 EEC and carries the CE mark accordingly The product has been designed and manufactured according to the following specifications SAFETY EN61010 2001 EMC EN61326 1997 w A1 98 Class A CISPR 22 1997 Class A VCCI April 2000 Class A ICES 003 Class A ANSI C63 4 1992 AS NZS 3548 w A1 amp A2 97 Class A FCC Part 15 Subpart B Class A EN 61010 1 2001 The product was installed into a C size VXI mainframe chassis and tested in a typical configuration I hereby declare that the aforementioned product has been designed to be in compliance with the relevant sections of the specifications listed above as well as complying with all essential requirements of the Low Voltage Directive February 2006 Steve Mauga QA Manager 6 Preface www vxitech com GENERAL SAFETY INSTRUCTIONS Review the following safety precautions to avoid bodily injury and or damage to the product These precautions must be observed during all phases of operation or service 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 Service should only be performed by qualified personnel TERMS AND SYMBOLS WARNINGS These terms may appear in this manual WARNING Indicates tha
14. CFAILN 0 ACFAILN is enabled to reset this module s relays D8 Enable Bit 1 ACFAILN is disabled from resetting this module s relays Pon state 0 0 BBM Break Before Make MBB Make Before Break operation on this plug in module is disabled 1 BBM MBB operation on this plug in module is enabled Pon state 0 If this bit is set the relays on this module will be sequenced to effect proper BBM or MBB operation If this bit is not set the plug in module will process the newly written relay data as immediate data writing it directly to the relay driver ports No BBM or MBB sequencing will take place While this feature is enabled the initial write to the module will start the delay timer running and begin the BBM or MBB operation Since the relays are BBM MBB controlled by the 16 bit registers only the effected 16 relays will perform the Enable Bit BBM MBB operation To overcome this fact any subsequent writes to the module during the initial delay timer time out period will be accepted and processed In addition the delay time will be reset and begin counting down again Once the delay timer has timed out this indicates that the relays have settled into their BBM MBB state writes to the module will not be accepted and may result in a Bus Error depending on the value programmed into the delay timer This is because the delay timer is reset at the end of the initial time out and is used to time the final relay closure into thei
15. ECTION 2 PREPARATION FOR USE INTRODUCTION When the SMIP JI is unpacked from its shipping carton the contents should include the following items 1 SMIP JI VXIbus module 1 SM7000N Series Microwave Switch User s Manual this manual All components should be immediately inspected for damage upon receipt of the unit Once the SMIP JI is assessed to be in good condition it may be installed into an appropriate C size or D size VXIbus chassis in any slot other than slot zero The chassis should be checked to ensure that it is capable of providing adequate power and cooling for the SMIP Once the chassis is found adequate the SMIP s logical address and the chassis backplane jumpers should be configured prior to the SMIP s installation CALCULATING SYSTEM POWER AND COOLING REQUIREMENTS It is imperative that the chassis provide adequate power and cooling for this module Referring to the chassis operation manual confirm that the power budget for the system the chassis and all modules installed therein is not exceeded and that the cooling system can provide adequate airflow at the specified backpressure It should be noted that if the chassis cannot provide adequate power to the module the instrument may not perform to specification or possibly not operate at all In addition if adequate cooling is not provided the reliability of the instrument will be jeopardized and permanent damage may occur Damage found to have o
16. GISTERS A16 The following describes the registers shown in the SMIP ZI Register Map for A16 address space ID Register 0x00 Read Only D11 DO Manufacturer s ID VXI Technology Inc set to A16 A24 005 D13 D12 Address Space A16 A32 01 D15 D14 Device Class Extended register based device set to 01 Logical Address Register 0x00 Write Only Sets the new logical address in a dynamically configured module When set for dynamic D7 D0 Logical Address configuration set to a soft reset will not alter the configured logical address while a hard reset will set the register back to D15 D8 Reserved Writing to this range has no effect Device Type Register 0x02 Read Only 11 Model Code Model 277 set to 11516 2 Mbytes set to 216 for A24 PODI Memory 2 Mbytes set to As for A32 Status Register 0x04 Read Only 1 indicates that A24 A32 memory space access is enabled Dis 0 indicates that A24 A32 memory space access is locked out 1 indicates that the module is not selected by the MODID line DA MEDI 0 indicates that the module is selected by the MODID line D13 D4 Reserved These bits always read as 11 1111 1111 D3 Ready This bit always reads as 1 D2 Passed This bit always reads as 1 1 Reserved These bits always read as 11 SM7000N Programming
17. IDO ID3 ID2 IDI IDO Sw4 SWA SW4 SW4 SW3 SW3 SW3 SW3 SW2 SW2 SW2 SW2 SWI SWI SWI SWI ID3 ID2 ID1 IDO ID3 ID2 ID1 IDO ID3 ID2 IDI IDO ID3 ID2 IDI IDO K48 K47 K46 K45 K44 K43 K42 K41 K40 K39 K38 K37 K36 K35 K34 K33 K32 K31 K30 K29 K28 K27 K26 K25 K24 K23 K22 K21 K20 K19 K18 K17 K16 KI5 K14 K12 K11 K10 K9 K8 K7 K6 K5 K4 K3 K2 KI NOTE Switch ID bits are read only See Table 4 1 for further details TABLE 4 3 SM7000N SWITCH RELAY CHART SWI Kl K8 SW2 K9 K16 SW3 K17 K24 SWA K25 K32 SW5 K33 K40 SW6 K41 K48 SM7000N Switch Configuration 43 VXI Technology Inc SWITCH REPLACEMENT Should a switch become non functional or damaged it is possible to replace the switches by using the following protocol Procedure 1 Remove the AC power cord from the chassis To avoid the possibility of shock wait a minimum of ten seconds for electricity to dissipate from the mainframe after removing power 2 Observing proper ESD precautions remove the SM7000N from the mainframe and lay the chassis down on an antistatic mat See Figure 4 7 FIGURE 4 7 SM7000N CHASSIS SIDE VIEW 3 Remove the 5 64 hex screws retaining the switch module to be replaced using an appropriate hex driver 44 SM7000N Switch
18. Low Register 0x2E Read and Write Sets the 16 least significant bits of the ending address of the Trace 15 RAM allowing the available RAM to be divided into multiple traces Trace RAM Address HIGH Register 0x30 Read and Write D15 D4 Unused Data written to these bits have no effect and always read back as 1 Sets and reads back the four most significant bits of the current D3 DO address of the Trace RAM allowing the current trace RAM address to be queried and changed Trace RAM Address LOW Register 0x32 Read and Write Sets and reads back the sixteen least significant bits of the current 15 address of the Trace RAM allowing the current trace RAM address to be queried and changed Trace Advance Trigger Select Register 0x34 Write Only Sets the TTLTRIG line or lines which are configured as outputs and will toggle when Trace Advance condition occurs in the module D15 corresponds to TTLTRIG7 D14 to TTLTRIG6 and D8 to TTL TRIGO Setting a bit to a 1 enables the trigger line setting a bit to 0 disables the corresponding line bits are set to 0 when either a soft or a hard reset is received by the module Sets the TTLTRIG line or lines which are configured as inputs and will cause a Trace Advance event to occur in the module D7 corresponds to TTLTRIG7 D6 to TTLTRIG6 and DO to TTLTRIGO Setting a bit to a 1 enables the trigger line s
19. ace The individual device Relay Register Maps can be found in Section 1 36 SM7000N Programming www vxitech com SECTION 4 SWITCH CONFIGURATION FRONT PANEL CONNECTION SM7000N As part of the SMIP J family of instruments the SM7000N can hold a combination of switch options The following pages list the SM7000N and the switch option relay and connector information Instructions for replacing non operational switches are also included in this section um Technology ACCO O FAIL FIGURE 4 1 SM7000N FRONT PANEL SM7000N Switch Configuration 37 VXI Technology Inc TABLE 4 1 SM7000N RELAY IDENTIFICATION TABLE Model DC 18 GHz Relay Type ID3 ID2 ID1 IDO VTI Part No SM7270N Dual SPDT Non Latching OPEN OPEN COM OPEN 70 0146 000 SM7272N SP4T Non Latching OPEN COM OPEN OPEN 70 0146 002 SM7274N SP6T Non Latching OPEN COM COM OPEN 70 0146 004 SM7275N Mini Transfer Switch OPEN COM COM COM 70 0146 005 Model DC 26 5 GHz Relay Type ID3 ID2 ID1 IDO VTI Part No SM7282N SP4T Non Latching OPEN COM OPEN OPEN 70 0146 012 SM7284N SP6T Non Latching OPEN COM COM OPEN 70 0146 014 The ID is achieved through an internal cable between the switch module and the SM7000N base module The part numbers listed above are for kits that include an internal cable assembly and mounting hardware with each switch module model The IDx bits are read on
20. al set by this module 34 H handler IRQ JINE een aee eire 25 hardware revision code seeeer 34 I THE NAY ou RR E RS 25 interrupt mask UA EE RRES 25 interrupter IRQ 25 L logical address sess 17 18 19 23 LSB least significant Dit sss 18 19 M major hardware version number 24 Make Before Break manufacturer s ID memory space adh m ssage b sed cnet eterne en minor hardware version 24 model code m MODID OO EE EPOR module relay address eee 35 MSB most significant bit sess 18 19 0 offset register edere AYA SA ATAKA ZA 21 offset value Ss Openbus Out enable bit esee 33 P pass through adapters esee 46 polled fashion register address io dene een register based device sss dE CP RE CN en REGERE relay control relay data dead back polarity bit relay register address za relay register US essere relay reset enable relay reset select bit m r quired m moty 11 endet eee etre eaten serra Te IA NA M serial ClOCK eene i EORR Oe switch replacement zi
21. ays only on the module which initiated the Front Panel Open signal fault condition It also may be used to broadcast to all the other SMIP J plug in modules installed in a SMIP 77 Interface Module via what is called the Openbus Any plug in module may be programmed to drive and or listen to the Openbus The Openbus signal may also be used to generate a wider chassis level fault signal via the TTL Trigger Bus see the register definitions for A16 address space The Front Panel Open signal is meant to be driven by either a switch closure or TTL CMOS logic gate It is pulled high on the module SM7000N Programming 33 VXI Technology Inc Delay Register Read and Write ADDR Plug In LA 0x202 D15 DO Data Bus 16 Bit This register is used to set the time that the plug in module will hold the Board Busy signal active The Board Busy signal is set every time the plug in receives a Write to a relevant Relay Register memory space The Board Busy signal will be removed at the end of the time out that is set by the value contained in this register For each count loaded into this register the Board Busy signal will be held active for 1 us The delay may be set from 0 to approximately 65 ms thus accommodating a wide variation in test station requirements The Board Busy signal may be monitored by the user in either a polled or an interrupt fashion and is to be used as an indication that the relays in the newly a
22. ccurred due to inadequate cooling would also void the warranty of the module SETTING THE CHASSIS BACKPLANE JUMPERS Please refer to the chassis operation manual for further details on setting the backplane jumpers SM7000N Preparation for Use 17 VXI Technology Inc SETTING THE LOGICAL ADDRESS The logical address of the SMIP is set by two rotary switches located on the top edge of the interface card near the backplane connectors Each switch is labeled with positions 0 through F The switch closer to the front panel of the module is the least significant bit LSB or Front and the switch located towards the back of the module is the most significant bit MSB or Back To set the Logical Address LA simply rotate the pointer to the desired value For example to set the LA to 25 first convert the decimal number to the hexadecimal value of 19 Next set the back switch to 1 and the front switch to 9 See Figure 2 1 Two examples are provided below Example 1 LA Divide decimal by 16 MSB LSB 25 25 16 1 w 9 remaining Divide the decimal value by 16 to get the MSB and the LSB 0001 1001 The 1 is the MSB and the remainder of 9 is the LSB 1 9 Convert to hexadecimal Set the back switch to 1 and the front switch to 9 BACK FRONT 45 45 v2 56 2 20 i je 295e FIGURE 2 1 LOGICAL ADDRESS EXAMPLE 1 18 SM7000N Preparation for Use www vxitech com
23. ctuated path have settled Alternatively the Board Busy signal may also be used to drive the TTL Trigger Bus See the Board Busy Interrupt Control and Busy Trigger Control Register descriptions in the A16 address space Status Register Read Only ADDR Plug In LA 0x204 Hardware D15 D13 Revision Code D12 D1 Unused Reserved for future use 0 Indicates that this module s Front Panel Open signal was not activated by the user 1 An indication that this module s Front Panel Open signal was activated as Front Panel programmed by the user Open Pon state 0 DO signal set by this A read of this bit location will indicate whether the Front Panel Open signal was module triggered from this plug in module s front panel In the event that multiple talkers have been programmed to drive the Openbus signal this bit may be queried by the user to discover which module s Front Panel Open signal caused the Openbus Active Event to occur A read of this register clears this bit to 0 SM7000N Programming www vxitech com DEVICE MEMORY MAP MODULE RELAY CONTROL ADDRESS Each module is assigned 1k 1024 bytes of memory as shown in the SMIP JI Configuration Relay Register Map for A24 A32 address space The lower 512 bytes of each module s memory is used for relay control Each module is assigned its own base address These base addresses are in 1K increments as follows Module 0 J100 Base Address H0000 Modu
24. d be a logic 1 when not used D3 Serial clock for module 2 should be a logic 1 when not used D2 Serial clock for module 1 should be a logic 1 when not used DI Serial clock for module 0 should be a logic 1 when not used DO Serial data input for all modules must be a logic 1 when not used Board X Y Used Address Register 0x22 0x24 0x26 Read and Write Sets the actual number of words of address space used by the relays 15 8 on board s X Sets the actual number of words of address space used by the relays 7 on board s Y Trace RAM Start High Register 0x28 Read and Write D15 D4 Unused Data written to these bits have no effect and always read back as 1 Sets the four most significant bits of the starting address of the D3 D0 Trace RAM allowing the available RAM to be divided into multiple traces 26 SM7000N Programming www vxitech com Trace RAM Start Low Register 0x2A Read and Write Sets the 16 least significant bits of the starting address of the Trace 15 RAM allowing the available RAM to be divided into multiple traces Trace RAM End High Register 0x2C Read and Write D15 D4 Unused Data written to these bits have no effect and always read back as 1 Sets the four most significant bits of the ending address of the D3 D0 Trace RAM allowing the available RAM to be divided into multiple traces Trace RAM End
25. draw for 24 V line must be no greater than 1 5 A If an external power supply is used the negative side of the supply must be wired to the ground pin to provide a return current path The total amount of current flowing through the ground return connection must be no greater than 2 0 A Because each driver output is protected by a 56 V Zener diode an externally provided power source should not be greater than 48 V 46 SM7000N Switch Configuration www vxitech com TABLE 4 4 SM7000N PASS THROUGH ADAPTER CONNECTOR PIN ASSIGNMENTS Pin Number Description Relay Common 24 V KI K2 K3 K4 K5 K6 K7 K8 Ground N C N C N C N C wi Wio zizo aln ENS C Q KORNO ope ot TS Q Q X A F FIGURE 4 10 SM7276N PASS THROUGH ADAPTER CONNECTOR DETAIL SM7000N Switch Configuration VXI Technology Inc PASS THROUGH ADAPTERS CONNECTION EXAMPLES The following figures show two examples of using the pass through adapters They illustrate wiring external relays both using the internal 24 V power source and using an external source Front Panel Connection Two external relays wired to use the internal 24 volt power FIGURE 4 11 PASS THROUGH ADAPTER RELAY WIRING W INTERNAL POWER SOURCE 48 SM7000N Switch Configuration www vxitech com External Power Supply Front Panel Connection Two external relays wired to use an external power source
26. etting a bit to 0 disables the corresponding line All enabled TTLTRIG lines are OR d together to allow more than one TTLTRIG line to cause a Trace Advance event to occur bits are set to 0 when the module receives either a soft or a hard reset D15 D8 D7 D0 SM7000N Programming Open Trigger Select Register 0x36 Write Only VXI Technology Inc D15 D8 Sets the TTLTRIG line or lines which are configures as outputs and will toggle when Relay Open condition occurs in the module D15 corresponds to TTLTRIG7 D14 to TTLTRIGO TTLTRIGO Setting a bit to a 1 enables the trigger line setting a bit to 0 disables the corresponding line bits are set to O when either a soft or a hard reset is received by the module and D8 to D7 D0 Sets the TTLTRIG line or lines which are configured as inputs and will cause a Relay Open event to occur in the module D7 corresponds to TTLTRIG7 D6 to TTLTRIG6 TTLTRIGO Setting a bit to a 1 enables the trigger line setting a bit to 0 disables the corresponding line All enabled TTLTRIG lines are OR d together to allow more than one TTLTRIG line to cause a Relay Open event to occur All bits are set to 0 when the module receives either a soft or a hard reset and DO to TTL Trigger Polarity Register 0x38 Write Only D15 D14 Unused Data written to these bits have no effect D13 is
27. he closing relays are guaranteed to be set prior to the opening relays being opened SM7000N Introduction 13 VXI Technology Inc TABLE 1 1 SM7000N SPECIFICATIONS SM7000N SPECIFICATIONS RF PERFORMANCE Frequency GHz DC 3 3 8 8 12 4 12 4 18 18 26 5 VSWR 1 15 1 1 25 1 1 35 1 1 45 1 1 9 1 Insertion Loss dB max 0 15 0 25 0 35 0 45 0 8 Isolation dB min 85 75 65 65 45 ADDITIONAL SPECIFICATIONS RF Impedance 50 Q nominal Actuating Voltage 24 VDC Actuating Current Normally open 350 mA maximum Switching Time 15 ms maximum Switching Sequence Break Before Make Operating Ambient Temperature 35 to 70 C Operating Life One million cycles per position TABLE 1 2 POWER VS FREQUENCY GRAPH FOR SWITCHES 1000 900 800 700 600 500 400 300 200 S7 100 90 80 70 60 50 40 AVERAGE POWER Watts 0 1 0 2 0 3 0 40 50 6 08 1 2 3 4 56 8 10 124 18 265 FREQUENCY GHz 14 SM7000N Introduction www vxitech com TABLE 1 3 INSERTION ISOLATION amp RETURN LOSS GRAPHS FOR SWITCHES TYPICAL INSERTION LOSS dB TYPICAL RETURN LOSS dB TYPICAL ISOLATION LOSS dB FREQUENCY GHz Models SM7270N through SM7274N FREQUENCY GHz Model SM7275N SM7000N Introduction 15 VXI Technology Inc 16 SM7000N Introduction www vxitech com S
28. l changing state Reserved Registers Read and Write D15 D0 Unused to these registers has no effect and will always read back as 16 SM7000N Programming www vxitech com 1M Memory Allocated to Store 1MB RAM Module Settings VXI Configuration Space 2MB of A24 or A32 Address Space Reserved for VTI SMIP Module Assigned by the Controller 1MB RAM 1KB Each Module Switch Module Specific Configuration Registers 1M Memory Allocated for Configuration Relay Registers 1K Each Module Utilized as shown in the Relay Register Map See Module Appendices FIGURE 3 1 A24 A32 ADDRESS SPACE SM7000N Programming 31 VXI Technology Inc DESCRIPTION OF SMIP II MODULE REGISTERS A24 A32 EXTENDED MEMORY Each module is assigned 1k 1024 bytes of memory as shown in SMIP JI Configuration Relay Register Map for A24 A32 address space The upper 512 bytes of memory space is used for module configuration registers The following describes these registers Control Register Read and Write ADDR Plug In LA 0x200 D15 D10 Unused 0 Normal polarity relay data is read back from this module 1 Inverted polarity relay data is read back from this module Relay Data ReadBack Pomstate 0 Pony Eat This bit may be used to invert the relay data read back from the plug in module Control Delay and Status Register read backs are not effected by this bit A
29. le 1 J101 Base Address H0400 Module 2 J102 Base Address H0800 Module 3 J103 Base Address HOC00 Module 4 J104 Base Address H1000 Module 5 7105 Base Address H1400 NOTE The SM7000N microwave module being a member of the SMIP JI series allocates for six 6 module boards but only implements Module 0 Modules 1 5 are unused The Module Base Address is then added to the A24 A32 Base Address to access a specific module s relays Module Relay Address A24 A32 Base Address Module Base Address RELAY REGISTER OFFSET The Relay Register Offset is located within the module s A24 32 address space When you send data to the register the relay register offset is added to the A24 A32 base address and module base address Relay Register Address A24 A32 Base Address Module Base Address Register Offset or Relay Register Address Module Relay Address Register Offset WRITING TO THE RELAYS Each bit of a 16 bit register represents the state of the relay 1 closed 0 open To change the state of any relay it is only necessary to write a 16 bit integer to the specified register with the new configuration Relay Register Address data SM7000N Programming 35 VXI Technology Inc For example e writing a data value of 0 to the register at offset 0 would open the first sixteen relays e writing a data value of 65535 to the same register would close the first 16 relays e writing a data value of 65534 to the
30. ly and are available in the Relay Register Map memory space for status information only See Table 4 2 for further details 2 990 0 40 MAX 0 30 MAX 0 iso i5 Typical SMA Connector One Shown For Clarity pa 1 094 gt pam n DI ox Connector Detail FIGURE 4 2 SWITCH OPTION TO SM7000N CONNECTION 38 SM7000N Switch Configuration www vxitech com PIN 1 PIN 2 PIN 8 PIN 7 NC1 C1 NO1 NC2 C2 2 0 094 DIA 4 PLS THRU 0 188 Y 0 093 FIGURE 4 3 SM7270N DUAL SPDT MODULE AND SCHEMATIC SM7000N Switch Configuration 39 VXI Technology Inc PIN 8 COM PIN 1 PIN 2 PIN 3 PIN 4 60 DEG TYP 0 760 DIA 0 094 DIA 4 PLS THRU 0 188 T 0 093 FIGURE 4 4 SM7272N SP4T MODULE AND SCHEMATIC 40 SM7000N Switch Configuration www vxitech com PIN 8 COM PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 0 094 DIA 4 PLS THRU 0 188 4 0 093 FIGURE 4 5 SM7274N SP6T MODULE AND SCHEMATIC SM7000N Switch Configuration 4l VXI Technology Inc PIN 1 PIN 8 Qo 0 640 SQ al og lk 4 PLS THRU gt 19 0 188 JF 0 093 FIGURE 4 6 SM7275N MINI TRANSFER SWITCH MODULE AND SCHEMATIC 42 SM7000N Switch Configuration www vxitech com TABLE 4 2 SM7000N RELAY REGISTER MAP SW6 SW6 SW6 SW6 SWS SW5 SW5 SW5 ID3 ID2 IDI
31. natively all of the plug in modules may be enabled to generate the TTL Trigger condition Trigger Advance Register 0x3E Write Only D15 D0 Unused The act of writing to this location causes a Trace Advance event to occur in the module The specific data written to these bits has no effect SM7000N Programming 29 VXI Technology Inc Board Busy Register 0x3E Read Only D15 D7 Unused These bits always read back as 1 Indicates whether the SMIP JI platform is a single or double wide D6 0 single wide 1 double wide D5 A 0 read from this bit indicates the relays on module 5 have settled a indicates that the relays on module 5 are still changing state A read from this bit indicates the relays on module 4 have settled D4 a 1 indicates that the relays on module 4 are still changing state A 0 read from this bit indicates the relays on module 3 have settled D3 A a indicates that the relays on module 3 are still changing state A 0 read from this bit indicates the relays on module 2 have settled D2 HP a indicates that the relays on module 2 are still changing state A 0 read from this bit indicates the relays on module 1 have settled DI NA a indicates that the relays on module 1 are still changing state DO A 0 read from this bit indicates the relays on module 0 have settled a indicates that the relays on module 0 are stil
32. ng the Chassis Backplane Jumpers Setting the Logical Address Selecting the Extended Memory Space PROGRAMMING itr ERU Ir TEES RN D e ERE ERR TER RUNE ER n SPRUNG Register ACCESS M Addressing Description of Registers A16 Description of SMIP Module Registers A24 A32 Extended Memory seen 32 DEVICE MEMORY Ma Pi ee inv inet te ERES EU e Peek e URN E D dE Ee xe E I IRE ERU ae MH nee 35 Module Relay Control Address iinis rrise ieres toeks esente esei re ie nennen tren trennen trennen 35 Relay Register Offset ius ete P rd ae Dette pcne 35 Writing to the Relays eee ettet o t Rr deer 35 PIO STATA 36 SWITCH CONFIGURATION sepe e venie re Pe 37 Front Panel Connection SM7000N 2 37 Switch Replace Ment sii cs eee c e ete edet oae 44 PrOCGQUTE AU RES UN 44 PASS THROUGH ADAPTERS Aib Gee ee ae ies net Acto Rave Bride a e tide ees 46 Introduction eene tme aee ihe RE 46 Pass Through Adapters Connection Examples eese enne rennen ener enne 48 Preface 3 VXI Technology Inc Preface www vxitech com CERTIFICATION VXI Technology Inc VTD certifies that this product met its published specifications at the
33. nit before performing any service Service should only be performed by qualified personnel This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground To avoid injury electric shock or fire hazard Do not operate in wet or damp conditions Do not operate in an explosive atmosphere Operate or store only in specified temperature range Provide proper clearance for product ventilation to prevent overheating DO NOT operate if you suspect there is any damage to this product Product should be inspected or serviced only by qualified personnel The operator of this instrument is advised that if equipment is used in a manner not specified in this manual the protection provided by this equipment be may be impaired Preface www vxitech com SUPPORT RESOURCES Support resources for this product are available on the Internet and at VXI Technology customer support centers VXI Technology World Headquarters VXI Technology Inc 2031 Main Street Irvine CA 92614 6509 Phone 949 955 1894 Fax 949 955 3041 VXI Technology Cleveland Instrument Division 5425 Warner Road Suite 13 Valley View OH 44125 Phone 216 447 8950 Fax 216 447 8951 VXI Technology Lake Stevens Instrument Division VXI Technology Inc 1924 203 Bickford Snohomish WA 98290 Phone 425 212 2285 Fax 425 212 2289 Technical
34. oard Busy Busy Trigger Control Busy Trigger Control Trace RAM Control Trace RAM Control TTL Trigger Polarity Reserved Open Trigger Select Reserved Trace ADV Trigger Select Reserved Trace RAM Address LOW Trace RAM Address LOW Trace RAM Address HIGH Trace RAM Address HIGH Trace RAM End LOW Trace RAM End LOW Trace RAM End HIGH Trace RAM End HIGH Trace RAM Start LOW Trace RAM Start LOW Trace RAM Start HIGH Trace RAM Start HIGH Module 5 4 Used Address Reserved Module 3 2 Used Address Reserved Module 1 0 Used Address Reserved NVM Access Register NVM Access Register Reserved Subclass Register Interrupt Control Interrupt Control Reserved Interrupt Status Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Version Number Reserved Serial Number LOW Reserved Serial Number HIGH Reserved Reserved Offset Register Offset Register Control Register Status Register Reserved Device Type Register LA Register ID Register NOTE As members of the SMIP series the SM7000N Series microwave modules allocate for six 6 module boards but only implement Module 0 Modules 1 5 are unused 22 SM7000N Programming www vxitech com DESCRIPTION OF RE
35. ops at the end of active RAM and clears the TRACE ENABLE bit DO TRACE ENABLE 1 enabled 0 disabled If the LOOP ENABLE bit is set and the end of active trace RAM is reached this bit will not be reset Busy Trigger Control Register 0x3C Read and Write Sets the TTLTRIG Line or Lines which are configured as outputs and will toggle at the de assertion of a Board Busy condition sent by the plug in modules D15 corresponds to TTLTRIG7 D14 to D15 D8 oe TTLTRIG6 and D8 to TTLTRIGO Setting a bit to a 1 enables Select Ld the trigger line setting a bit to a 0 disables the corresponding line All bits are set to 0 when either a soft or a hard reset is received by the module D7 D6 Danced Data written to these bits have no effect The value written is read back Enables the Board Busy signals received from the plug in modules to generate a trigger condition on the TTL Trigger Bus D5 corresponds to Board Busy Module 5 D4 to Board Busy Module 4 and DO to Board Busy Module 0 Setting a bit to a 1 enables the Busy generation of a Trigger condition setting a bit to a 0 disables the D5 DO Trigger corresponding line All bits are set to 0 when either a soft or a hard Enable reset is received by the module Software can be written to enable the last board updated to generate the TTL Trigger condition alerting any other instruments that the plug in modules relays have settled Alter
36. p RENAS writing a 1 to this bit disables interrupter capabilities The module has no interrupt handler capability D6 IH ENA therefore writing a 1 or 0 has no effect A 1 is always read back for this bit The complement of the value programmed into these three bits reflects the selected IRQ line used D5 D3 Interrupter IRQ Line by the module A value of 011 would select IRQ4 a value of 000 would select IRQ7 and a value of 111 would disconnect the IRQ lines The module has no interrupt handler capability D2 D0 Handler IRQ Line therefore writing to these bits has no effect A 111 is always read back for these bits Note that all bits in this register are set to 1 upon receipt of a hard or soft reset SM7000N Programming 25 Subclass Register 0x1E Read Only VXI Technology Inc D15 Always reads as 1 Device D14 D0 Extended Memory Always reads as 7 Device NVM Access Resister 0x20 Read Only D15 D1 Unused All Bits are always 1 DO Reads back the serial data stream from the selected SMIP board Note that only one SMIP JI board may be read back at a time NVM Access Resister 0x20 Write Only D15 D7 Unused Data written to these bits have no effect D6 Serial clock for module 5 should be a logic 1 when not used D5 Serial clock for module 4 should be a logic 1 when not used D4 Serial clock for module 3 shoul
37. r post BBM MBB state The module Busy signal will only complete once the final relay closure state is reached D7 If this bit is set and no value has been loaded into the Delay Register the plug in module will act as if this enable bit is not set and load all of the relay drivers with immediate data 0 BBM operation on this plug in module is selected BBM MBB 1 operation on this plug in module is selected Select Bit D6 Pon state 0 0 Inactive Access 2 Active D5 LED Fail Pon state 0 Bit Lights the Access LED red when activated 32 SM7000N Programming www vxitech com Control Register Read and Write Continued D4 Relay Reset Enable Bit 0 The Openbus and Front Panel Open signals are not enabled to reset this module s relays 1 The Openbus or Front Panel Open signal may be selected to reset this module s relays Pon state 0 D3 Relay Reset Select Bit 0 Front Panel Open signal is selected to reset this module s relays 1 The Openbus signal is selected to reset this module s relays Pon state 0 Many plug in modules may be programmed to be listeners on the Openbus D2 Openbus Out Enable Bit 0 Disables this module s Front Panel Open signal from driving the Openbus signal 1 Enables this module s Front Panel Open signal to drive the Openbus Pon state 0 Many plug in modules may be programmed to be talkers on the Openbus D1
38. ree LIMITATION OF WARRANTY The warranty shall not apply to defects resulting from improper or inadequate maintenance by the buyer buyer supplied products or interfacing unauthorized modification or misuse operation outside the environmental specifications for the product or improper site preparation or maintenance VXI Technology Inc shall not be liable for injury to property other than the goods themselves Other than the limited warranty stated above VXI Technology Inc makes no other warranties express or implied with respect to the quality of product beyond the description of the goods on the face of the contract VTI specifically disclaims the implied warranties of merchantability and fitness for a particular purpose RESTRICTED RIGHTS LEGEND Use duplication or disclosure by the Government is subject to restrictions as set forth in subdivision b 3 i1 of the Rights in Technical Data and Computer Software clause in DFARS 252 227 7013 VXI Technology Inc 2031 Main St Irvine CA 92614 U S A Preface 5 VXI Technology Inc DECLARATION OF CONFORMITY Declaration of Conformity According to ISO IEC Guide 22 and EN 45014 MANUFACTURER S NAME VXI Technology Inc MANUFACTURER S ADDRESS 2031 Main St Irvine California 92614 PRODUCT NAME Single Wide Microwave Switch Base Module MODEL NUMBER S SM7000N PRODUCT OPTIONS PRODUCT CONFIGURATIONS VXI Technology Inc declares that the aforementioned
39. same register would close all relays except which would be open PROGRAMMING With the introduction of VISA sending a command to a register based device is as simple as sending a command to a message based device Whether the application is graphical or standard sending commands to the register based device is just as intuitive The VISA template for transferring data to a register based device utilizing A32 extended memory space is as follows viOuti6 Handle VI A32 SPACE Offset Data Handle is passed by reference whenever a VISA session to a particular device is opened VI A32 SPACE is defined in the VISA header file VI A16 SPACE and VI A24 SPACE are also valid Offset is determined from the memory map and is in decimal format Data is a 16 bit signed integer value representing the state of the relays The following example is for a SM5001 80 channel SPST relay card utilizing A32 extended memory space To close relays K1 K33 and K48 while leaving the other relays open the following commands would be sent viOutli6 Handle VI A32 SPACE 0 1 closes relay 1 viOutl6 Handle VI A32 SPACE 4 32769 closes relay 33 and 46 VISA is the software architecture standard instituted by the VXIplug amp play Alliance and is at a very high level of communication to a VXIbus device The same philosophy and simplicity applies if the instrument is being programmed via lower level commands of an API Application Programmer s Interf
40. t a procedure or condition may cause bodily injury or death CAUTION Indicates that a procedure or condition could possibly cause damage to equipment or loss of data These symbols may appear on the product ATTENTION Important safety instructions Frame or chassis ground placed in accordance with EN 50419 Marking of electrical and electronic equipment in accordance with Article 11 2 of Directive 2002 96 EC WEEE End of life product can be returned to VTI by obtaining an RMA number Fees for take back and recycling will apply if not prohibited by national law Indicates that the product was manufactured after August 13 2005 This mark is a Follow these precautions to avoid injury or damage to the product Use Proper Power Cord To avoid hazard only use the power cord specified for this product Use Proper Power Source To avoid electrical overload electric shock or fire hazard do not use a power source that applies other than the specified voltage Use Proper Fuse To avoid fire hazard only use the type and rating fuse specified for this product Preface WARNINGS CONT Avoid Electric Shock Ground the Product Operating Conditions Improper Use AN VXI Technology Inc To avoid electric shock or fire hazard do not operate this product with the covers removed Do not connect or disconnect any cable probes test leads etc while they are connected to a voltage source Remove all power and unplug u
41. time of shipment from the factory VTI further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology formerly National Bureau of Standards to the extent allowed by that organization s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY The product module base SM7000N referred to herein is warranted against defects in material and workmanship for a period of three years from the receipt date of the product at customer s facility The same warranty applies to the switch options SM72XXN for a period of one year The sole and exclusive remedy for breach of any warranty concerning these goods shall be repair or replacement of defective parts or a refund of the purchase price to be determined at the option of VTI For warranty service or repair this product must be returned to a VXI Technology authorized service center The product shall be shipped prepaid to VTI and VTI shall prepay all returns of the product to the buyer However the buyer shall pay all shipping charges duties and taxes for products returned to VTI from another country VTI warrants that its software and firmware designated by VTI for use with a product will execute its programming when properly installed on that product VTI does not however warrant that the operation of the product or software or firmware will be uninterrupted or error f
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