Filter
Top Products
Agilent E1538A Enhanced Frequency/Totalize/PWM SCP 35
Rotational Pulse Mode:
Variable Pulse Width (by time), Preset Angular Position
In this mode, the pulse duration (in seconds) is controlled by the algorithm,
and the angular position is preset before INIT. See Figure 24. Use the
following command sequence:
SOURce:FUNCtion:RPULse (@<ref_channel>),(@<ch_list>) to select the
channels that will output angular positioned pulses, and to specify the
reference channel.
SOURce:RPULse:POSition[:ANGLe] <degrees>,(@<ch_list>) to preset
the angular pulse position in degrees. The algorithm will control the pulse
duration.
SOUR:RPULse:VARType TIME,(@<ch_list>) to set the type of value that
will vary with algorithm control (in this case pulse duration in seconds).
Example of variable width (by time), preset position:
Set up channel 40 as the reference channel, and channels 45 through 47 to
output variable width pulses:
*RST
SENS:FUNC:RVEL 12,MISS,(@140)
sense rvel for reference channel
SOUR:FUNC:RPULSE (@140),(@145:147)
3 rotational pulse output chans
SOUR:RPULSE:POS:ANGL 20,(@145)
preset channel 45 pulse position
to 20 degrees
Figure 23. Fixed Position, Variable Width by Angle