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Agilent E1538A Enhanced Frequency/Totalize/PWM SCP 67
PULM state is enabled then the pulse width modulated mode is active.
If both the FM and the PULM states are disabled then the PULSe
channel is in the single pulse mode.
• Send with VXIplug&play Function: hpe14XX_cmd(...)
SOURce:FUNCtion[:SHAPe]:SQUare
SOURce:FUNCtion[:SHAPe]:SQUare (@<
ch_list
>) sets the SOURce
function to output a square wave (50% duty cycle) on the channels in
<ch_list>.
Parameters
Comments • Send with VXIplug&play Function: hpe14XX_cmd(...)
Usage The frequency control for these channels is provided by the algorithm
language function:.
O143 = 2000 /* set channel 43 to 2KHz */
SOURce:FUNCtion:STEPper
SOURce:FUNCtion:STEPper <
preset_pos
>,<
mode
>,<
max_v
el>,<
min
_vel
>,(@<
ch_list
>) controls stepper motors. The E1538 can operate 2 or 4
phase motors in full, and half step mode. Position values are sent from the
algorithm to the first channel of a 2 or 4 channel "motor group". The
algorithm reads the current position from the second channel of the group.
See “Stepper Motor Control” on page 37.
Parameters
Comments • <preset_pos> defines the position count at algorithm start-up. This is an
unsigned 16-bit integer and can range from 0 to 65,535 for full speed
modes ("SF"), or 0 to 32,767 for half speed modes ("SH").
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
ch_list string 100 - 163 none
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
preset_pos discrete (string) see text none
mode see text none
max_vel none
min_vel none
ch_list string 100 - 163 none