Keithley DMM7510 Calibration Manual page 32

Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual
localnode.prompts = 1
localnode.showerrors = 1
-- *********************************************
-- ****
-- ****
-- *********************************************
dmm.digitize.func = dmm.FUNC_DIGITIZE_VOLTAGE
dmm.digitize.coupling.type = dmm.COUPLING_AC
dmm.digitize.coupling.acfilter = dmm.AC_FILTER_SLOW
-- Set input freq AC coupling amplitude compensation.
dmm.digitize.coupling.acfrequency = 1e2
dmm.digitize.aperture = 1e-6
dmm.digitize.samplerate = 1e6
dmm.digitize.range = 100e-3
dmm.digitize.analogtrigger.mode = dmm.MODE_EDGE
dmm.digitize.analogtrigger.edge.slope = dmm.SLOPE_FALLING
dmm.digitize.analogtrigger.highfreqreject = dmm.OFF
display.clear()
display.changescreen(display.SCREEN_USER_SWIPE)
dmm.digitize.analogtrigger.edge.level = -50e-3
digio.line[1].mode = digio.MODE_TRIGGER_OUT
trigger.digout[1].pulsewidth = 30E-6
trigger.digout[1].stimulus = trigger.EVENT_ANALOGTRIGGER
-- *********************************************
-- ****
-- *********************************************
dmm.digitize.coupling.acfilter = dmm.AC_FILTER_FAST
-- *********************************************
-- **** For Digitize Functions
-- **** Trigger Model setup and
-- ****
-- *********************************************
samp_count = 1e3
buf = buffer.make(samp_count)
trigger.model.setblock(1,trigger.BLOCK_BUFFER_CLEAR, buf)
trigger.model.setblock(2,trigger.BLOCK_WAIT,
trigger.model.setblock(3,trigger.BLOCK_DIGITIZE, buf, samp_count)
trigger.model.initiate()
-- *********************************************
-- **** Display 1st Reading from Buffer
-- *********************************************
display.clear()
display.changescreen(display.SCREEN_USER_SWIPE)
display.settext(display.TEXT1, "Analogtrigger")
num7 = buf.readings[1]
str7 = string.format('%3.4e', num7)
display.settext(display.TEXT2, str7) print(num7)
DMM7510-905-01 Rev. A / April 2015
Digitize DCV AC Coupling
Slow AC Filter
Fast AC Filter
start of Triggering
Section 2: Performance verification
****
****
-- dmm.COUPLING_DC
--- dmm.AC_FILTER_FAST
****
--- dmm.AC_FILTER_SLOW
****
****
****
trigger.EVENT_ANALOGTRIGGER)
****
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