Function Specifications; Trigger/Alarm Functions - GRAPHTEC GL840 User Manual

CHAPTER 4 Specification

4.2 Function Specifications

Function Specifications
Item
Display screen
Sampling interval
EU (scaling function)
Functions during capture
Data save function
Capture function
Replaying data
Calculation between CHs
Statistical calculation
Search functions
Annotation input function
Navigation function

Trigger/Alarm Functions

Item
Repeat Trigger
Trigger types
Trigger conditions
Alarm judgment modes
4-8
Waveform + Digital screen, All Waveform screen, Digital + Calculation Display
screen, Expanded digital screen
* Can be switched using the dedicated key (toggle operation)
* For the Expanded Digital screen, the number of channels and the display channel
must be specified
* The waveform is not rewritten due to the change of the TIME / DIV.
10 ms/1 ch maximum (GBD/CSV-formatted)
10, 20, 50, 100, 125, 200, 250, 500 ms; 1, 2, 5, 10, 20, 30 sec.;
1, 2, 5, 10, 20, 30 min.;
1 hour; External
* The settings of 125 ms or below can be used depending on the input settings and
the measuring channel.
• 4 points can be set for each channel
• The temperature range scaling function is available.
• Confirmation of the captured data
• Saving of data between cursors
• Replacement of the SD memory card
* When the wireless sensor (GL100-WL) is connected, the sample interval among
10, 20, and 50ms cannot be replaced during recording.
Capture destination: SD memory card (Available both slot 1 and 2)
Captured data: Settings, Screen data, Measurement data
Function: OFF, Ring recording, Relay recording
Ring recording Number of recording points: 1000 to 2000000
* When the ring recording is enabled, the recording capacity is half of free space.
Relay recording The data is continuously recorded in 2GB-separated files without missing data.
GBD/CSV-formatted data file (only data captured in this GL840)
Calculation type: Four arithmetic operations (+, -, ×, ÷)
Target input: Analog CH1 to CH200
GS sensor and terminal/adapter: CH1 to CH8
Wireless sensor: CH1-1 to CH5-8
Statistical calculation type: Average value, peak value, maximum value, minimum
value, root mean square value
Number of calculations: Two arithmetic operations can be set to each channel.
Calculation method: Real-time calculation and specified between cursors (during
replay)
* Real-time calculation results are displayed on the Digital screen + Calculation
Display screen.
Function : Search the captured data for the required number of points
Search type : Channel Pulse, Logic, Level, Alarm search
Function : A comment can be entered for each channel
Input table characters : Alphanumerics
Number of characters : 31
(The number of characters can be displayed on the screen is up to eight characters.)
Easy capture measurement, easy trigger setting, wireless LAN setting functions
Off, On
Start: Data capture starts when a trigger is generated.
Stop: Data capture stops when a trigger is generated.
Start: Off, level, alarm, external, time
Stop: Off, level, alarm, external, time
Combination: Analog, Logic or "AND" / "OR" of pulse
Analog judgment: H ( ), L ( ), Window In, Window Out
Logic judgment: Pattern
Pulse judgment: H ( ), L ( ), Window In, Window Out
Description
Description