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VXI VT1538A user manual Installation, Connecting To The Terminal Module

Models: VT1538A

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Installation

Installation for this Plug-on is identical to other SCPs and is covered in

Chapter 1 of your Agilent E1415 or E1419 User’s Manual.

Connecting To The Terminal Module

The SCP connections for the Terminal Modules are shown on the self-adhesive labels that come with the SCP. Use these to label terminal definitions on your terminal module. The connections are shown in Figure 3.

Figure 3. E1538A Terminal Module Connections

Figure 4 shows the screw terminal Option 11 for the E1419A.

Agilent E1538A Enhanced Frequency/Totalize/PWM SCP 7

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VXI VT1538A user manual Installation, Connecting To The Terminal Module

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 Static DAC Products INTRODUCTIONDynamic 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 Configuring Channel Pull-up Resistor Setting Configuration SwitchesConfiguring Input- Output direction Connecting To The Terminal Module Installation8 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Recommended Signal ConnectionsFigure 4. E1419A Option 11 Terminal Module Connections 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 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP To measure period at channel 45 as the average of 1000 signal periodschlist 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 Output Static Digital State Programming Output ChannelsControlling Output Polarity Variable Width Pulse Per Trigger 26 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Variable Width Pulse Train PWMFigure 17. Output Pulse-Width-Modulated Signal Variable Frequency Fixed Width Pulse Train FM 28 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Variable Frequency Square-Wave Pulse Train FMFigure 19. Output Square Wave Variable Frequency FM Rotationally Positioned Pulse Output Rotational Pulse Command Usage Rotational Pulse Mode Variable Angular Position, Preset Pulse Width by angleRotational Pulse Mode Variable Angular Position, Preset Pulse Width by timeExample of variable position, preset width Figure 21. Variable Position, Width Preset by AngleAgilent E1538A Enhanced Frequency/Totalize/PWM SCP Variable Pulse Width by angle, Preset Angular PositionFigure 22. Variable Position, Width Preset by Time Rotational Pulse Mode34 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Example of variable width by angle, preset positionRotational Pulse Mode Variable Pulse Width by time, Preset Angular PositionExample of variable width by time, preset position 36 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 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Figure 27. Full Step Mode, Full and Half Speed, 4-ChannelFigure 28. Half Step Mode, Full Speed, 4-Channel 40 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Figure 29. Directly Driving 4-Phase Stepper MotorsAgilent E1538A Enhanced Frequency/Totalize/PWM SCP RST and *TST importantPage SCPI Command ReferenceCommand Syntax For newerunits only Command SyntaxFor newer PageComments INPutPOLarityINPutPOLarity? ParametersParameters level can be set to a resolution ofINPutTHResholdLEVel INPutTHResholdLEVel?generated OUTPutPOLarityOUTPutPOLarity? Send with VXIplug&play Function hpe14XXcmdReal64QComments SENSeFREQuencyAPERtureRST Condition .001 sec Send with VXIplug&play Function hpe14XXcmd ParametersParameters Related Commands SENSFREQAPERSENSeFREQuencyAPERture? SENSeFREQuencyLIMitLOWerSend with VXIplug&play Function hpe14XXcmd INITReturned Value .01667 to 250, The type is float32 Related Commands INPutPOLaritySENSeFREQuencyLIMitLOWer? SENSeFUNCtionCONDitionParameters SENSeFUNCtionFREQuencySENSeFUNCtionPERiod ParametersComments SENSeFUNCtionPWIDthSENSeFUNCtionQUADrature ParametersUsage See “Sense Quadrature Position” on page SENSeFUNCtionRVELocityParameters Send with VXIplug&play Function hpe14XXcmd54 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP ParametersSend with VXIplug&play Function hpe14XXcmd Usage See “Sense Rotational Velocity” on pageUsage See “Totalize Positive or Negative Edge State Changes” on page SENSeFUNCtionTOTalizeParameters Send with VXIplug&play Function hpe14XXcmdRST Condition .001 sec Send with VXIplug&play Function hpe14XXcmd SENSePERiodAPERtureParameters Parameters SENSePERiodAPERture?SENSePERiodLIMitUPPer Parameters58 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Send with VXIplug&play Function hpe14XXcmdParameters SENSePERiodLIMitUPPer?SENSePERiodMODE RST Condition is “APERture”interval mode currently set for period measurement Related Commands SENSePERiodMODESENSePERiodMODE? SENSePERiodNPERiodsParameters SENSePERiodNPERiods?SENSePERiodRANGeUPPer Send with VXIplug&play Function hpe14XXcmdInt32QParameters SENSeTOTalizeRESetMODESENSePERiodRANGeUPPer? RST Condition is Send with VXIplug&play Function hpe14XXcmdComments SENSeTOTalizeRESetMODE?SOURceFMSTATe ParametersComments SOURceFMSTATe?Send with VXIplug&play Function hpe14XXcmdInt16Q ParametersParameters SOURceFUNCtionRPULseParameters SOURceFUNCtionSHAPeCONDitionSOURceFUNCtionSHAPePULSe ParametersParameters SOURceFUNCtionSHAPeSQUareSOURceFUNCtionSTEPper Comments Send with VXIplug&play Function hpe14XXcmd68 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP Table 3. Stepping mode valuesFigure 31. Relationship of minvel, and maxvel Send with VXIplug&play Function hpe14XXcmd SOURcePULMSTATeParameters Send with VXIplug&play Function hpe14XXcmdParameters SOURcePULMSTATe?SOURcePULSePERiod ParametersParameters SOURcePULSePERiod?SOURcePULSeWIDTh ParametersParameters SOURcePULSeWIDTh?SOURceRPULsePOSitionANGLe 33,554,430 to 33,554,430Parameters SOURceRPULsePOSitionANGLe?SOURRPULseVARType UsageParameters SOURRPULseVARType?SOURceRPULseWIDThANGLe ParametersParameters SOURceRPULseWIDThANGLe?SOURceRPULseWIDThTIME 00000787 to76 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP SOURceRPULseWIDThTIME?Parameters Usage SOURRPULSEWIDTTIME? @147Input 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