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IM 701240-01E
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App
Index
Horizontal and Vertical Axes
CAUTION
Applying a voltage exceeding the maximum allowable input voltage to the TRIG
OUT/EXT CLK IN terminal may damage the input section.
Pulse/Rotate
You can specify the number of pulses of the external signal that is to correspond to one
mechanical rotation (one cycle).
Range of the number of pulses: 1 to 24000
Notes When Sampling Using the External Clock Signal
• You cannot set the acquisition mode to envelope or box average.
• You cannot display waveforms in roll mode.
• No function is provided for frequency-dividing the clock signal.
• Since the time axis setting cannot be changed, change the record length setting or
zoom in on the time axis if you want to change the display range of the time axis.
• The time measured by the cursor measurement or automated measurement of
waveform parameters is expressed in the number of pulses of the clock signal. No
unit is displayed.
• Realtime recording to the internal hard disk cannot be selected.
• The following trigger settings are invalid.
• Trigger delay
• Hold off
•B > Time, B < Time, and B Timeout trigger
• Period trigger
Maximum Sample Rate of Each Input Module
If the sample rate of the SL1400 is set higher than the maximum sample rate of the input
module, the data is updated only at the maximum sample rate of the input module.
Consequently, all of the data within the data update interval of the module are the same
data. The maximum sample rate of each input module is as follows:
Input Module During Internal During External
Clock Clock
701250/701255: 10 MHz 1 MHz
701251: 1 MHz 1 MHz
701267/701270/701271/701275: 100 kHz 100 kHz
701261/701262 (when measuring voltage): 100 kHz 100 kHz
(when measuring temperature): 500 Hz 500 Hz
701280: 25 kHz 25 kHz
701265: 500 Hz 500 Hz
5.20 Selecting the Time Base (Internal Clock or External Clock)
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