GRAPHTEC midi LOGGER GL220 User Manual page 62

CHAPTER 3 Settings and Measurement
Trigger level settings/Alarm level settings
Specifies detailed conditions for each channel when the start and stop side source settings are Level.
The configuration of the level trigger is as shown in the figure below.
CH n
Pulse n
Logic n
* Pulse and Logic are switchable.
Place the cursor here and
press the ENTER key to
open the following setting
screen.
(1) Combination
<For Trigger>
Detection
method
<For Alarm>
(2) Mode
(3) Level
3−30
Mode
Level
Combination
Mode Level
Mode
Lower-Level-Upper
<Trigger level settings>
Setting
Sets a combination of trigger conditions set for each channel.
Level OR : Starts (stops) capturing data when at least one of the specified trigger conditions is met.
Level AND : Starts (stops) capturing data when all of the specified trigger conditions are met.
Edge OR : Starts (stops) capturing data when at least one of the specified trigger conditions is met.
Edge AND : Starts (stops) capturing data when all of the specified trigger conditions are met.
Level: Each condition is Level operation.
Edge: Each condition is Edge operation.
Sets a trigger comparison mode for each channel.
Off : Disables triggers for the setting channel.
↑ H (rising) : A trigger is generated when the input signal exceeds the specified level.
↓ L (falling) : A trigger is generated when the input signal falls below the specified level.
Win In : Used to specify the upper and lower limits for each channel.
Sets a trigger comparison level. If the mode is ↑ H (rising) or ↓ L (falling), set one comparison level.
If the mode is Win In or Win Out, set two comparison levels.
Mode
CH n
Trigger
Mode
Pulse n
Logic n Mode
* Pulse and Logic are switchable.
* Specify an alarm output destination for each channel and Pulse/Logic.
Each of the alarms is ORed at the output destination.
Example: If you specify 1 as the output destination of 1CH and 2CH and 2 as that of 3CH and
4CH, Alarm Output 1 occurs when one of 1CH and 2CH meets the conditions, and
Alarm Output 2 occurs when one of 3Ch and 4CH meets the conditions.
Each condition is Level operation.
Each condition is Level operation.
Each condition is Edge operation.
Each condition is Edge operation.
When the input signal level is (or comes) between these limits, a trigger is generated.
* This setting is not available for Logic CH.Win Out: Used to specify the upper and
lower limits for each channel.
When the input signal level is (or goes) out of these limits, a trigger is generated.
* This setting is not available for Logic CH.
Level
Level Alarm output n
Level
<Alarm level settings>
Place the cursor here and
press the ENTER key to
open the following setting
screen.
Description