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VXI Technology, Inc. 

62 

SM8000 Series Programming 

30h 

Command Name 

Move to Absolute Step 

 

 

Command Format 

30h HIGH_BYTE LOW_BYTE 

 

 

Description 

The Move to Absolute Step command sets the position of the stepper motor. The valid 
range is 0 - 3200, written in a 2-byte (16-bit) format. 

 

 

Example 

The following example converts a integer decimal step to a 

HIGH_BYTE-LOW_BYTE

 

format: 

 

 

 

1. 

2485 = 0B1Dh 

Convert decimal step number to hexadecimal. 

 

 

 

 

 

2. 

HIGH_BYTE = 0Bh 

LOW_BYTE = 1Dh 

Convert to HIGH_BYTE and LOW_BYTE format. 

 
 
 
 

31h 

Command Name 

Query Current Step 

 

 

Command Format 

31h 

 

 

Description 

The Query Current Step command returns the current location of the stepper motor as 
a 2-byte (16-bit) value. 

 

 

Example 

The following example shows how to translate the HIGH_BYTE-LOW_BYTE 
returned value into a integer decimal step number: 

 

 

 

1. 

0Bh & 1Dh = 0B1Dh 

HIGH_BYTE and LOW_BYTE value to 
hexadecimal value. 

 

 

 

 

 

2. 

0B1Dh = 2845 

Convert hexadecimal value to an integer decimal 
value. 

 
 

Содержание SM8000 Series

Страница 1: ...bus SM8000 SERIES OPTICAL SWITCH USER S MANUAL P N 82 0052 000 Released February 13 2006 VXI Technology Inc 2031 Main Street Irvine CA 92614 6509 949 955 1894...

Страница 2: ...VXI Technology Inc 2...

Страница 3: ...ystem Power and Cooling Requirements 21 Setting the Chassis Backplane Jumpers 21 Setting the Logical Address 22 Example 1 22 Example 2 23 Selecting the Extended Memory Space 23 Optical Connections 24...

Страница 4: ...Series Controller A24 A32 Extended Memory 48 DEVICE MEMORY 54 Module Relay Control Address SM8000 Series Optical Switch Controller 54 Relay Register Offset 54 Writing to the Relay Registers 55 PROGRA...

Страница 5: ...VXI Technology Inc SM8000 Series Preface 5...

Страница 6: ...er 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 prod...

Страница 7: ...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 C...

Страница 8: ...VXI Technology Inc 8 SM8000 Series Preface...

Страница 9: ...t or loss of data These symbols may appear on the product ATTENTION Important safety instructions Frame or chassis ground Indicates that the product was manufactured after August 13 2005 This mark is...

Страница 10: ...d electric shock the grounding conductor must be connected to earth ground Operating Conditions To avoid injury electric shock or fire hazard Do not operate in wet or damp conditions Do not operate in...

Страница 11: ...one 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...

Страница 12: ...VXI Technology Inc 12 SM8000 Series Preface...

Страница 13: ...s Due to the nature of routing fiber optic cables and modules the SM8000 series cannot be mixed in one base unit with other standard SMIP II products They have their own single slot or double slot bas...

Страница 14: ...e prism switches or 4 multi switch modules of various configurations or 4 variable attenuators or tunable filters The optical modules may be mixed and matched on a single SM8000 Please contact VXI Tec...

Страница 15: ...The SM8001 is a single slot base unit or platform while the SM8002 is a double slot base unit Configurations The following configurations are available for the SM8001 and SM8002 SM8001 and SM8002 Mult...

Страница 16: ...nc 16 SM8000 Series Introduction 1 1 2 3 4 N open 1 x N 2 1 1 2 2 N N open open 1 Duplex 1 x N 2 1 2 3 N open open 1 open 2 x N Blocking 2 1 2 3 4 N open open 1 open 2 x N Non Blocking FIGURE 1 2 SM80...

Страница 17: ...m ISOLATION 80 dB maximum DURABILITY 10 million cycles minimum REPEATABILITY 5 0 03 dB maximum PDL6 0 05 dB maximum OPERATING TEMPERATURE 0 C 50 C STORAGE TEMPERATURE 20 C 70 C HUMIDITY 40 C 90 Relati...

Страница 18: ...ns The following configurations are available for the SM8003 SM8003 Prism Switches SPST SPDT Transfer The total number of available connectors per base unit is SM8003 Single slot Prism Switch Base Uni...

Страница 19: ...Multi Mode 55 dB maximum 20 dB typical CROSS TALK 80 dB maximum DURABILITY 10 million cycles minimum REPEATABILITY 2 0 01 dB maximum PDL3 0 05 dB maximum OPERATING TEMPERATURE 20 C 75 C STORAGE TEMPE...

Страница 20: ...peatability Absolute Accuracy PDL3 0 10 dB 0 12 dB 0 15 dB 0 05 dB 0 10 dB 0 10 dB 0 10 dB 0 20 dB 0 25 dB 0 08 dB 0 10 dB 0 30 dB INSERTION LOSS 0 6 dB typical 1 5 dB maximum BACK REFLECTION 50 dB ma...

Страница 21: ...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 cha...

Страница 22: ...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 b...

Страница 23: ...us Specification for further information There is only one logical address per SMIP II base unit Address assignments for individual modules are handled through the A24 A32 address space allocation SEL...

Страница 24: ...connector and around the connector ferrule c Allow the connectors to dry for at least one minute Service should only be performed by qualified personnel Mating Optical Connectors 1 Smoothly insert th...

Страница 25: ...mechanical switches that allow selection of an individual fiber channel by means of a high resolution stepper motor The stepper motor moves the common fiber into direct alignment with the output fiber...

Страница 26: ...to two output fibers using a moving prism between fixed collimators The Transfer switch provides channel selection from two input fibers to two output fibers using a moving prism between fixed collima...

Страница 27: ...e Figure 3 2 When the cam is fully rotated out of the beam path the attenuator is in park or reset position When in park position the loss is limited to the intrinsic loss of the two collimators and t...

Страница 28: ...ed switch setting The optical module also generates an Error signal that may be monitored This signal might be used to provide a confidence check that the module is being controlled properly Resetting...

Страница 29: ...1 2 1 0 0 0 1 0 3 1 0 0 0 1 1 4 1 0 0 1 0 0 5 1 0 0 1 0 1 6 1 0 0 1 1 0 7 1 0 0 1 1 1 8 1 0 1 0 0 0 9 1 0 1 0 0 1 10 1 0 1 0 1 0 11 1 0 1 0 1 1 12 1 0 1 1 0 0 13 1 0 1 1 0 1 14 1 0 1 1 1 0 15 1 0 1 1...

Страница 30: ...1 1 1 2 1 0 0 0 0 1 2 1 2 2 1 0 0 0 1 0 3 1 3 2 1 0 0 0 1 1 4 1 4 2 1 0 0 1 0 0 5 1 5 2 1 0 0 1 0 1 6 1 6 2 1 0 0 1 1 0 7 1 7 2 1 0 0 1 1 1 8 1 8 2 1 0 1 0 0 0 9 1 9 2 1 0 1 0 0 1 10 1 10 2 1 0 1 0 1...

Страница 31: ...0 0 1 1 block 2 1 0 0 1 0 0 3 block 1 0 0 1 0 1 block 3 1 0 0 1 1 0 4 block 1 0 0 1 1 1 block 4 1 0 1 0 0 0 5 block 1 0 1 0 0 1 block 5 1 0 1 0 1 0 6 block 1 0 1 0 1 1 block 6 1 0 1 1 0 0 7 block 1 0...

Страница 32: ...0 0 0 1 2 1 1 0 0 0 1 0 3 2 1 0 0 0 1 1 4 3 1 0 0 1 0 0 5 4 1 0 0 1 0 1 6 5 1 0 0 1 1 0 7 6 1 0 0 1 1 1 8 7 1 0 1 0 0 0 9 8 1 0 1 0 0 1 10 9 1 0 1 0 1 0 11 10 1 0 1 0 1 1 12 11 1 0 1 1 0 0 13 12 1 0...

Страница 33: ...channel There is a 16 ms period for each switched channel including duplex and blocked channels During this period optical output is invalid optical noise may appear on various output channels as the...

Страница 34: ...igured to control the attenuator modules on one of four ports These same ports are used for the multi switch devices This is done at the factory with hardware selectable jumpers Once configured for at...

Страница 35: ...is method of operation is typically used when the devices are used to calibrate other devices or to set absolute references within a system Both modes of operation are described in detail in the follo...

Страница 36: ...em Resetting the Device See the RESET commands in the Programming section Commanding the Devices Step 1 Power Up and Initialize The device will reset when power is applied Step 2 Query Default Paramet...

Страница 37: ...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 64 k to get the base address in A24 or A32 address space res...

Страница 38: ...ace RAM Start LOW Trace RAM Start LOW 28 Trace RAM Start HIGH Trace RAM Start HIGH 26 Module 5 4 Used Address Module 5 4 Used Address 24 Module 3 2 Used Address Module 3 2 Used Address 22 Module 1 0 U...

Страница 39: ...configured logical address while a hard reset will set the register back to FF16 D15 D8 Reserved Writing to this range has no effect Device Type Register Read Only ADDR Plug In LA 0x02 D11 D0 Model C...

Страница 40: ...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 D0 are disregarded on writes and always read back...

Страница 41: ...0x1C D15 Scan Function done mask bit 0 enabled 1 disabled D14 Openbus Active Event true mask bit 0 enabled 1 disabled D13 D8 Module 0 5 Busy complete 0 enabled 1 disabled D13 Module 5 and D8 Module 0...

Страница 42: ...1 Serial clock for module 0 should be a logic 1 when not used D0 Serial data input for all modules must be a logic 1 when not used Board X Y Used Address Register Read and Write ADDR Plug In LA 0x22 t...

Страница 43: ...0x32 D15 D0 Sets and reads back the sixteen least significant bits of the current address of the Trace RAM allowing the current trace RAM address to be queried and changed Trace Advance Trigger Select...

Страница 44: ...e 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 0s when th...

Страница 45: ...e ADDR Plug In LA 0x3C D15 D8 TTLTRIG Select 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 D1...

Страница 46: ...this bit indicates the relays on module 4 have settle A 1 indicates that the relays on module 4 are still changing state D3 A 0 read from this bit indicates the relays on module 3 have settled A 1 ind...

Страница 47: ...256 bytes VXI Configuration Space 2MB of A24 or A32 Address Space reserved for VTI SMIP module assigned by the controller 1MB RAM 1M Memory Allocated to Store Module Settings 1MB RAM 1M Memory Allocat...

Страница 48: ...Resets the optical module located at module base address plus 6h See Typical Optical Multi Switch Operation D13 Reset Module 2 0 Normal operation 1 Optical module reset Resets the optical module loca...

Страница 49: ...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 de...

Страница 50: ...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 s The delay may be set from 0 to approx...

Страница 51: ...These bits are normally not used by the operator Their usefulness is only in trouble shooting possible module problems D3 D0 Optical Module Error Bits 0 Indicates that optical module 3 thru 0 respecti...

Страница 52: ...The value loaded into this nibble is dependent on the command that is required to execute in the lower byte of this register See the Optical Attenuator Operation section of the manual for the specifi...

Страница 53: ...gramming of the optical module the programmer may wish to omit sending the module s address over the VXI Bus letting the SM8000 generate the default address that is used in the command string This cou...

Страница 54: ...ed The base address is as follows Module 0 SM8000 Base Address 0x0000 The Module Base Address is then added to the A24 A32 Base Address to access a specific module s relays Module Relay Address A24 A3...

Страница 55: ...ister with the new configuration For example writing a data value of 0 to the register at offset 0 would open the 12 available switches writing a data value of 4095 0x0FFF to the same register would c...

Страница 56: ...ss the 16 bit control word to the optical module Writing to this register initiates the transfer of data to the optical module For attenuator modules these addresses are write only See typical Optical...

Страница 57: ...ay register address as shown above in the Relay Register Offset section where the module relay address is always 0 and the register offset is 02h This will select the optical path that is associated w...

Страница 58: ...to be sent and the proper command 3 Write Read the appropriate Relay Register 02 through 08 depending on the module being controlled Read 1 Load the Address Register with the module s address The def...

Страница 59: ...ding the module s address over the VXI Bus letting the SM8000 generate the default address that is used in the command string This could possibly increase throughput by decreasing VXI Bus traffic if t...

Страница 60: ...8 to 0 decimal W Number of data bytes to be written to the optical module This number should include the Address and Command Bytes along with the number of data bytes that are to be written to the mo...

Страница 61: ...solute Step 30h 2 N A Power Down Motor 35h N A N A Power Down Motor 43h N A N A Power Down Motor 6Ch N A N A Query Attenuation 81h N A 2 Query Calibration Date 8Bh N A 3 Query Calibration Table Entry...

Страница 62: ...at 1 2485 0B1Dh Convert decimal step number to hexadecimal 2 HIGH_BYTE 0Bh LOW_BYTE 1Dh Convert to HIGH_BYTE and LOW_BYTE format 31h Command Name Query Current Step Command Format 31h Description The...

Страница 63: ...Motor Command Format 35h Description The Power Down Motor command shuts off current to the stepper motor which decreases current consumption to about 50 mA After being powered down the stepper motor...

Страница 64: ...LOW_BYTE Description The Set Attenuation command sets the attenuation value using a 2 byte 16 bit format Example The following example translates a decimal attenuation value dB into the HIGH_BYTE LOW...

Страница 65: ...h 3439 Convert hexadecimal value to an integer decimal value 3 3439 100 34 39 Divide by 100 to convert to dB value 82h Command Name Query Minimum Attenuation Command Format 82h Description The Query M...

Страница 66: ...ue to an integer decimal value 3 3439 100 34 39 Divide by 100 to convert to dB value 89h Command Name Query Calibration Wavelength Command Format 89h Description The Query Calibration Wavelength comma...

Страница 67: ...eger calibration temperature value C 1 19h 25 C Convert to calibration temperature 8Bh Command Name Query Calibration Date Command Format 8Bh Description The Query Calibration Date command returns the...

Страница 68: ...into the minor revision number 3 version 1 32 Put the major and minor numbers together to form the version number 8Dh Command Name Query Device ID Command Format 8Dh Description The Query Device ID c...

Страница 69: ...attenuation Example The following example translates a decimal attenuation value dB into a HIGH_BYTE and LOW_BYTE format for transmission to the device 1 100 x 34 39 3439 Multiply by 100 to convert d...

Страница 70: ...rogrammer may wish to omit sending the module s address over the VXI Bus letting the SM8000 generate the default address that is used in the command string This could possibly increase throughput by d...

Страница 71: ...es Programming 71 96h Command Name Reset Device Command Format A2h Description This command functions the same as 32h and A2h A2h Command Name Reset Device Command Format A2h Example This command func...

Страница 72: ...VXI Technology Inc 72 SM8000 Series Programming...

Страница 73: ...ssis ground 9 front panel open signal set by this module 51 G grounding conductor 10 H handler IRQ Line 41 hardware revision code 51 52 53 55 56 I IH ENA 41 interrupt mask 41 interrupter IRQ line 41 I...

Страница 74: ...VXI Technology Inc 74 SM8000 Series Index T temperature range 10 test leads 10 trigger 45 V ventilation 10 VXIbus 21 37 VXIbus Extended Device 41 W wet or damp conditions 10...

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