Function Specifications; Standard Specifications; Trigger Functions - GRAPHTEC GL400 User Manual

Specifications

5.2 Function Specifications

Standard Specifications

Display screen
Sampling interval*
Waveform expansion
/contraction
Scaling function
Review function
Data save functions
Statistical calculation
Search functions
Annotation input function
Linked unit operation
*1 The sampling interval varies according to the number of channels used.
10 ch: 100 ms; 20 ch: 200 ms; 30/40/50 ch: 500 ms; 60 channels or more: 1 s

Trigger Functions

Trigger types
Trigger conditions
Alarm judgment modes
5-4
Item
Waveform display: Normal, Wide
Digital display: Normal, Wide
Note: Can be key-toggled
1 100, 200, 500 ms; 1, 2, 5, 10, 20, 30 s; 1, 2, 5, 10, 20, 30 min; 1 h
Time axis:1, 2, 5, 10, 20, 30 sec/Div
Voltage axis: variable span
4 points can be set for each channel
Data replay during data capture (dual-screen display)
Capture to internal memory
Capture to internal memory and automatic save to a PC card
Direct capture to a PC card
Setup conditions saved to a PC card
Copy of data screen saved to a PC card
Types of operation: Average value, peak value, maximum value,
Number of operations: A maximum of 4 can be set simultaneously for 2
Method: Realtime operation
Note: The calculation results are displayed in the digital display mode
Function: Search the captured data for the required number of points
Search type: Alarm search
Function: A comment can be input for each channel
Inputtable characters: Alphanumerics
Number of characters: 11
Synchronized operation enabled by the use of synchronous cables to link
two or more main units together (PC measurement )
Synchronized operations: Start/stop, trigger, reference clock
Note: If the sampling interval is the same for all the units, the reference clocks are
synchronized to enable long-term measurement without any time lag.
Item
Start: Data capture starts when a trigger is generated.
Stop: Data capture stops when a trigger is generated.
Start: Off, Level, Alarm, External
Stop: Off, Level, Alarm, External, Time
Analog, Logic, Pulse AND, Pulse OR
• Analog: H, L, Window In, Window Out
• Logic: 4-ch pattern
• Pulse: H, L
Description
1, 2, 5, 10, 20, 30 min/Div
1, 2, 5, 10, 20, 30 h/Div
minimum value, RMS
channels each
Description