Triggering Measurement Start And Stop; Types Of Trigger Criteria - Hioki Memory HiLogger LR8401-20 Instruction Manual

102

5.1 Triggering Measurement Start and Stop

5.1 Triggering Measurement Start and Stop
There are three ways to set the criteria to start and stop recording according to
waveform slope.
Select whether to trigger at the rising or falling edge of the input signal.

Types of Trigger Criteria

Type of Analog
Trigger
Level Trigger
(p. 104)
[Level]
Window Trigger
(p. 105)
[In]
[Out]
Logic Trigger
(p. 106)
[1]
[0]
[X]
Trigger Example
T
Trigger Level
Input
↑
[ ]
Trigger Slope
T
Upper
Threshold
Lower
Threshold
Upper
Threshold
Lower
Threshold
T
High
Low
High
Low
T
High
Low
T
Recording starts (or stops) when the
input signal crosses the specified trig-
↓
[ ]
ger level (voltage).
Recording starts (or stops) when the
input signal enters a range defined by
T
upper and lower thresholds.
T
Recording starts (or stops) when the
input signal exits a range defined by
T
upper and lower thresholds.
T T
Measuring starts and stops when the
input signal logic switches from Low to
High.
Measuring starts and stops when the
input signal logic switches from High to
Low.
T
Signal is ignored. No triggering occurs.
Description