VXI VT1538A user manual Introduction, Dynamic DAC Products, Static DAC Products

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INTRODUCTION

www.vxitech.com

INTRODUCTION

On May 1, 2003, VXI Technology, Inc. acquired Agilent Technology’s mechanical data acquisition product segment. During the transition period, Agilent branded manuals will be provided with the dynamic and static data acquisition products until the manuals have been rebranded. The following products are provided for in this manner.

Dynamic DAC Products

VTI Part Number

Agilent Part Number

Description

VT1432A

E1432A

16-Channel 51.2 kSamples/s Digitizer Plus DPS

VT1433B

E1433B

8-Channel 196 kSamples/s Digitizer Plus DPS

VT1434A

E1434A

4-Channel 65 kSamples/s Arbitrary Source

VT3240A

E3240A

Voltage Input Breakout Box

VT3241A

E3241A

ICP/Voltage Input Breakout Box

VT3242A

E3242A

4-Channel Charge/Voltage ICP Breakout Box

VT3243A

E3243A

4-Channel Microphone/Voltage ICP Breakout Box

VT2216A

N2216A

VXI/SCSI Interface Module

Static DAC Products

 

 

VTI Part Number

Agilent Part Number

Description

VT1413C

E1413C

64-Channels Muxed to 16 Bit, 100 kSamples/s A/D

VT1415A

E1415A

Algorithmic Closed Loop Controller

VT1419A

E1419A

Multi-Function Measurement and Control

VT1422A

E1422A

Remote Channel Multi-Function DAC Module

VT1501A

E1501A

Direct Input 8-Channel SCP

VT1502A

E1502A

Low Pass Filter Signal Conditioning Plug-On

VT1503A

E1503A

Gain/Filter SCP

VT1505A

E1505A

Current Source SCP

VT1506A

E1506A

120 Ω Strain Gauge SCP

VT1507A

E1507A

350 Ω Strain Gauge SCP

VT1508A

E1508A

8-Channel Fixed x 16 Gain/Filer SCP

VT1509A

E1509A

8-Channel Fixed x 64 Gain/Filter SCP

VT1510A

E1510A

4-Channel Sample and Hold SCP

VT1511A

E1511A

4-Channel Transient Strain SCP

VT1512A

E1512A

Low Pass Filter Signal Conditioning Plug-On

VT1513A

E1513A

Attenuator Input SCP

VT1518A

E1518A

Resistance Measurement SCP

VT1529B

E1529B

32 Ch. Remote Strain Conditioning and Voltage

 

 

Unit

VT1531A

E1531A

8-Channel Voltage Output Signal Conditioning

 

 

Plug

VT1532A

E1532A

8-Channel Current Output Signal Conditioning

 

 

Plug-On

VT1533A

E1533A

16-Bit Digital Input/Output Signal Conditioning

VT1536A

E1536A

Isolated 8-Bit Digital I/O Signal Conditioning

VT1538A

E1538A

Enhanced Frequency/Totalize/PWM Signal

 

 

Conditioning

VT1539A

E1539A

Remote Channel Signal Conditioning Plug-On

VT1563A

E1563A

800 kSamples/s, 2-Channel Digitizer 14 Bits

VT1564A

E1564A

800 kSamples/s, 4-Channel Digitizer 14 Bits

VT1586A

E1586A

Rack Mount Terminal Panel for 32 Channels

When rebranded manuals become available, they can be downloaded at: http://www.vxitech.com/download.asp.

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Contents VT1538A 82-0093-000 Release April 28 VXI Technology, Inc 2031 Main StreetIrvine, CA 949 ENHANCED FREQUENCY/TOTALIZE/ PWM SIGNAL CONDITIONING PLUG-ONVXI Technology, Inc INTRODUCTION Dynamic DAC ProductsStatic DAC Products VXI Technology Lake Stevens Instrument Division SUPPORT RESOURCESVXI Technology World Headquarters VXI Technology Cleveland DivisionAgilent 75000 Series C User’s and SCPI Programming ManualSignal Conditioning Plug-on Agilent Technologies E1538A Enhanced Frequency/Totalize/PWMPage Agilent E1538A Enhanced Frequency/Totalize/PWM SCP About this ManualIntroduction Identifying the Plug-on IMPORTANT Setting Configuration Switches Configuring Input- Output directionConfiguring Channel Pull-up Resistor Connecting To The Terminal Module InstallationRecommended Signal Connections Figure 4. E1419A Option 11 Terminal Module Connections8 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Input and Output Characteristics VRS Mode Input Operation SCP channels 0 & 1 only Programming With SCPI Commands Checking the ID of the SCP Configuring the ChannelsConfiguring I/O Direction Setting the Input Threshold Levelreturns threshold value Determining the Input Threshold LevelTo set channels 40 through 43 to input digital states Reading Static Digital StateTotalize Positive or Negative Edge State Changes About Period and Frequency Measurements To measure frequency at channel 45 with aperture of 1 second For PERiod function, the E1538 spports two distinct measurement ranges To measure period at channel 45 as the average of 1000 signal periods chlist specifies the channels that will read pulse widths Sense Quadrature Position The value read by the algorithm can range from Example of Rotational Velocity Sense Programming Output Channels Controlling Output PolarityOutput Static Digital State Variable Width Pulse Per Trigger Variable Width Pulse Train PWM Figure 17. Output Pulse-Width-Modulated Signal26 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Variable Frequency Fixed Width Pulse Train FM Variable Frequency Square-Wave Pulse Train FM Figure 19. Output Square Wave Variable Frequency FM28 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Rotationally Positioned Pulse Output Rotational Pulse Command Usage Rotational Pulse Mode Variable Angular Position, Preset Pulse Width by angle32 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Variable Angular Position, Preset Pulse Width by timeExample of variable position, preset width Figure 21. Variable Position, Width Preset by AngleFigure 22. Variable Position, Width Preset by Time Variable Pulse Width by angle, Preset Angular Position34 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Example of variable width by angle, preset positionExample of variable width by time, preset position Variable Pulse Width by time, Preset Angular Position36 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP preset ch 46 pulse width to 10mspreset ch 47 pulse width to 15ms Figure 24. Fixed Position, Variable Width by TimeStepper Motor Control Use the command motor phase channel group can not be split across SCPs Figure 28. Half Step Mode, Full Speed, 4-Channel Figure 27. Full Step Mode, Full and Half Speed, 4-Channel40 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Figure 29. Directly Driving 4-Phase Stepper MotorsRST and *TST important Page SCPI Command ReferenceCommand Syntax For newerDiscussed Comments INPutPOLarityINPutPOLarity? Parameterslevel can be set to a resolution of INPutTHResholdLEVelINPutTHResholdLEVel? generated OUTPutPOLarityOUTPutPOLarity? Send with VXIplug&play Function hpe14XXcmdReal64QRST Condition .001 sec Send with VXIplug&play Function hpe14XXcmd SENSeFREQuencyAPERtureRelated Commands SENSFREQAPER SENSeFREQuencyAPERture?SENSeFREQuencyLIMitLOWer INIT Returned Value .01667 to 250, The type is float32 Related Commands INPutPOLaritySENSeFREQuencyLIMitLOWer? SENSeFUNCtionCONDitionSENSeFUNCtionPERiod SENSeFUNCtionFREQuencySENSeFUNCtionQUADrature SENSeFUNCtionPWIDthUsage See “Sense Quadrature Position” on page SENSeFUNCtionRVELocity54 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Usage See “Sense Rotational Velocity” on pageUsage See “Totalize Positive or Negative Edge State Changes” on page SENSeFUNCtionTOTalizeSENSePERiodAPERture SENSePERiodLIMitUPPer SENSePERiodAPERture?58 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP SENSePERiodMODE mode,@chlist selects the measurement SENSePERiodLIMitUPPer?SENSePERiodMODE RST Condition is “APERture”interval mode currently set for period measurement Related Commands SENSePERiodMODESENSePERiodMODE? SENSePERiodNPERiodsSENSePERiodNPERiods? SENSePERiodRANGeUPPerSend with VXIplug&play Function hpe14XXcmdInt32Q SENSeTOTalizeRESetMODE SENSePERiodRANGeUPPer?RST Condition is Send with VXIplug&play Function hpe14XXcmd SOURceFMSTATe SENSeTOTalizeRESetMODE?Send with VXIplug&play Function hpe14XXcmdInt16Q SOURceFMSTATe?SOURceFUNCtionRPULse SOURceFUNCtionSHAPePULSe SOURceFUNCtionSHAPeCONDitionSOURceFUNCtionSHAPeSQUare SOURceFUNCtionSTEPperComments Send with VXIplug&play Function hpe14XXcmd Table 3. Stepping mode values Figure 31. Relationship of minvel, and maxvel68 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Usage See “Stepper Motor Control” on page SOURcePULMSTATeSOURcePULSePERiod SOURcePULMSTATe?SOURcePULSeWIDTh SOURcePULSePERiod?SOURcePULSeWIDTh? SOURceRPULsePOSitionANGLe33,554,430 to 33,554,430 SOURceRPULsePOSitionANGLe? SOURRPULseVARTypeUsage SOURRPULseVARType? SOURceRPULseWIDThANGLe74 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP SOURceRPULseWIDThANGLe? SOURceRPULseWIDThTIME00000787 to SOURceRPULseWIDThTIME? Usage SOURRPULSEWIDTTIME? @14776 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Input Characteristics SpecificationsGeneral Specifications Output CharacteristicsFrequency Measurement 1 mSec to 1 Second, resolutionResolution Hz TotalizerPulse Source Rotational Velocity MeasurePulse Width Measure Frequency SourceExtra Tooth Wheel CharacteristicsRotational Pulse Source 80 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
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