Triggering Function - ITech IT8900 Series User Manual

CR-LED
Remote-Sense
Ext-Program

3.8 Triggering function

Triggering function is necessary to operate dynamic pulse output and list output.
There are five triggering methods to trigger the tested instrument. Optional
triggering sources of triggering function of electronic load comprise:

+ .(Trigger) key and the load will trigger an operation.

input terminal. When external trigger signal method is effective, after applying a
low pulse (> 10 us), the load will trigger an operation.

command (GET or * TRG) from GPIB port, the load will trigger an operation.

trigger an operation at intervals.

trigger command (TRIG:IMM), the load will trigger an operation.
Select the triggering sources as follows:
Operation steps
1.
2.
Low
Point 1= 0.00V
High
Point 2= 120.00V
Time C
Low
Point 1= 0.00A
High
Point 2= 5.00A
FILTER
Average Count=2^(2~16)
CR LED MODE
On
Off
REMOTE SENSE STATE
On
Off
EXTNAL PROGRAM
On
Off
Key ([Trigger] key) trigger: when key trigger is valid, press [Shift]
External trigger signal (TTL): TRIG on the rear board is the triggering
Bus trigger: when the bus trigger is valid, after the load receives a trigger
Timing trigger: when the timing trigger is valid, the load will automatically
Trigger holding: when trigger holding is valid, only when the load receives
Press [Shift] + 8(System) to enter system menu setting screen.
Initialize Power-ON Buzzer
Press to move to the Trigger and press [Enter] to enter
Copyright © ITECH Electronic Co., Ltd.
Set low voltage value.
Set high voltage value.
Measure current rise/fall time.
Set low current value.
Set high current value.
Smoothing function.
Set of average count.
Analog LED lamp function (under CR mode).
Start CR-LED function.
Stop CR-LED function.
Remote sense compensation
measurement.
Start
compensation function
Stop
compensation function
External
function.
Start external 0-10 V analog quantity control
function.
Stop external 0-10 V analog quantity control
function.
and Features
Function
remote sense
remote sense
analog quantity
30