Chapter 10 Specifications
144
Trigger output
Open-collector output (with 5 V output, Active Low)
Pulse Width: at least 10 ms
You can choose to enable output at trigger activation only or at both
trigger activation and measurement start.
Trigger input and
output terminals
Push-button terminals
Trigger Section
Alarm Output
Output settings
OR, AND
Output occurs when the logical sum (OR) or product (AND) of
alarm trigger sources is true.
Alarm Types
The following criteria can be specified for each channel.
• Level
: An alarm is output by input rising above or falling below
a preset level
• Window : An alarm is output by input crossing into or out of a win-
dow defined by preset upper and lower trigger levels
Latch setting
Alarm output can be set to be held (latched), or not.
Beeper
On/Off
Alarm output
characteristic
Open-drain output (with 5 V pull-up, active low)
Output refresh
At every recording interval
Miscellaneous
Numerical
calculations
Four calculations are available at the same time
Calculations
Average value, peak value, maximum value, Time to maximum
value, minimum value, Time to minimum value
Calculation time
span
Can be specified by A/B cursors, or whole waveform
Cursor measurement
functions
Time difference between A/B cursors, potential difference,
potential at each cursor, time
Scaling functions
Available for each channel independently
Comment entry
Provided
Event mark insertion
Event markers can be inserted by screen button or by signal input
at the trigger input terminal (exclusive function)
Screen image capture
function
Provided (compressed bitmap format)
Retain start condition
function
Provided
Содержание LR8431
Страница 1: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...
Страница 2: ......
Страница 20: ...Operating Precautions 12...
Страница 44: ...2 5 Zero Adjustment 36...
Страница 74: ...3 7 Viewing All Channel Settings in a List 66...
Страница 88: ...4 5 About Recording Operation 80...
Страница 120: ...6 6 Transferring Data to a Computer USB Drive Mode 112...
Страница 126: ...7 2 Numerical Value Calculation Expressions 118...
Страница 136: ...8 3 Making System Settings 128...
Страница 144: ...9 5 Synchronous Measurements with Multiple Instruments 136...
Страница 154: ...Chapter 10 Specifications 146...
Страница 198: ...Appendix 11 Pulse Input Circuit Diagram A40...
Страница 202: ...Index Index 4...
Страница 203: ......
Страница 204: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...