Contents
VT1538A
VXI Technology, Inc
Introduction
Support Resources
User’s and Scpi Programming Manual
Page
Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
About this Manual
Introduction
Identifying the Plug-on Important
Setting Configuration Switches
Switch Location and Example Settings
Installation
Connecting To The Terminal Module
Recommended Signal Connections
E1419A Option 11 Terminal Module Connections
Input and Output Characteristics
Recommended Connections and Voltage Limits
VRS Mode Input Operation SCP Channels 0 & 1 only
E1538A Input/Output Characteristics
Programming With Scpi Commands
Shows the VRS mode input characteristics
Configuring I/O Direction
Setting the Input Threshold Level
Determining the Input Threshold Level
Inppol Norm
Reading Static Digital State
To set channels 40 through 43 to input digital states
Totalize Positive or Negative Edge State Changes
Init SENSDATACVT? @44
About Period Frequency Measurements
SENSDATACVT? @45
SENSDATACVT? @45
Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
Sense Quadrature Position
Sensfuncquad 0,@148,149
RPS
Example of Rotational Velocity Sense
Sense Rotational Velocity
Controlling Output Polarity
Output Static Digital State
Variable Width Pulse Per Trigger
Variable Width Pulse Train PWM
Variable Frequency Fixed Width Pulse Train FM
Variable Frequency Square-Wave Pulse Train
Rotationally Positioned Pulse Output
Rotational Pulse Command Usage
Algupdate Init
Example of variable position, preset width
RST Sensfuncrvel 12,MISS,@140
Variable Position, Width Preset by Time
Example of variable width by angle, preset position
Example of variable width by time, preset position
Fixed Position, Variable Width by Angle
ALGSCALAR’ALG1’,’Width2’,.010
Stepper Motor Control Use the command
Stepping mode values
Sensfuncvolt @100
Full Step Mode, Full and Half Speed, 4-Channel
Page
RST and *TST important
Scpi Command Reference
Command Syntax For newer Units only
Command Syntax For newer Units only Discussed
Parameters
INPutPOLarity
INPutPOLarity?
Comments
INPutTHResholdLEVel?
Level can be set to a resolution
INPutTHResholdLEVel
Send with VXIplug&play Function hpe14XXcmdReal64Q
OUTPutPOLarity
OUTPutPOLarity?
SENSeFREQuencyAPERture
SENSeFREQuencyLIMitLOWer
Related Commands Sensfreqaper
SENSeFREQuencyAPERture?
Init
SENSeFUNCtionCONDition
Related Commands INPutPOLarity
SENSeFREQuencyLIMitLOWer?
SENSeFUNCtionFREQuency
SENSeFUNCtionPERiod
SENSeFUNCtionPWIDth
SENSeFUNCtionQUADrature
SENSeFUNCtionRVELocity
RPS
SENSeFUNCtionTOTalize
SENSePERiodAPERture
SENSePERiodAPERture?
SENSePERiodLIMitUPPer
Init
SENSePERiodLIMitUPPer?
SENSePERiodMODE
SENSePERiodNPERiods
Related Commands SENSePERiodMODE
SENSePERiodMODE?
Send with VXIplug&play Function hpe14XXcmdInt32Q
SENSePERiodNPERiods?
SENSePERiodRANGeUPPer
RST Condition is Send with VXIplug&play Function hpe14XXcmd
SENSeTOTalizeRESetMODE
SENSePERiodRANGeUPPer?
SENSeTOTalizeRESetMODE?
SOURceFMSTATe
SOURceFMSTATe?
Send with VXIplug&play Function hpe14XXcmdInt16Q
SOURceFUNCtionRPULse
SOURceFUNCtionSHAPeCONDition
SOURceFUNCtionSHAPePULSe
Comments Send with VXIplug&play Function hpe14XXcmd
SOURceFUNCtionSHAPeSQUare
SOURceFUNCtionSTEPper
Relationship of minvel, and maxvel
SOURcePULMSTATe
Usage See Stepper Motor Control on
SOURcePULMSTATe?
SOURcePULSePERiod
SOURcePULSePERiod?
SOURcePULSeWIDTh
33,554,430 to 33,554,430
SOURcePULSeWIDTh?
SOURceRPULsePOSitionANGLe
Usage
SOURceRPULsePOSitionANGLe?
SOURRPULseVARType
SOURRPULseVARType?
SOURceRPULseWIDThANGLe
00000787 to
SOURceRPULseWIDThANGLe?
SOURceRPULseWIDThTIME
SOURceRPULseWIDThTIME?
Specifications
General Specifications
Frequency Measurement
Pulse Width Measure
Rotational Pulse Source