Functions and Characteristics
Copyright © Itech Electronic Co., Ltd. 30
4. Operate key and move to OFF. Press [Enter] key (In this case,
OFF changes to ON, and the VF status indicator Trig lamp of the VFD
display is illuminated). Press [ESC] key to exit setting.
LIST OFF CALL EDI
5. Press [On/Off] key to open input and press [Shift] + key (Trigger key).
L1. 0. 0
Trig
3.10 Test Function
The transient test allows switching between two different load values. A
common application is to test the dynamic characteristics of DC source.
There are three different types of transient operation: continuous, pulse,
toggled.
Transient test parameters include:
Transient test mode
Transiently switched A and B values
Pulse width time (In PULSE mode)
Frequency
Duty cycle
Current rise and fall slope (CC mode specific parameters)
3.10.1 Transient Test Function
Continuous Mode
In continuous transient operation, the load is continuously switched between
two load values. An example is shown in the following figure:
Take CC mode as an example (other modes operate similarly). When the
measured instrument output voltage is 10V, current is 3A, and load current is
switched between 1A and 2A, the transient test parameters and steps are set
as follows:
1. Press [Shift]+[2] (Tran), move key to select ON, press [Enter] to
confirm.
TRAN ON OFF
2. Press to select transient operation mode as CONTINUOUS (the
indicator lamp Trig will be lighted).
MODE CONTINUOUS
PULSE TOGGLE
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