ET5301/5302/5303/5304 Programmable DC Electronic Load User Manual
Hangzhou Zhongchuang Electronics Co., Ltd.
14
2.10 Short Circuit Test
The load can simulate a short circuit at the input end. Under the short circuit test, the actual current
consumed by the load short circuit depends on the maximum output of the power supply.
Operating instructions: 1.Select the action item by rotating the knob; 2. For parameters setting, please
refer to 1.4 Numeric Parameters Setting for details. 3. Press [On/Off] to turn on or off the mode.
SHORT TEST
0. 000
A
15. 000 V
3. 000 A
220. 00 W
Li mi t ：
Figure 2.10 Short circuit test interface
2.12 Protection function
The load provides overcurrent, overvoltage, overpower, over temperature protection, and reverse
polarity prompt (the prompt information is subject to the real picture).
MEAS DI SP
CC
0. 000
0. 000
Set ：
3. 000
Of f Ti me：
10000 S
Li mi t ：
15. 000 V
3. 000 A
220. 00 W
V
A
W
0. 00
A
RVP：
2.13 Trigger function
The load has trigger function, which is mainly used in Tran test and list test to trigger the next step.
The load supports three trigger modes: 1. Manual (Triggered by pressing
【
Trigger
】
on the front panel). 2.
External (triggered through the back panel trigger port, falling edge trigger). 3. Bus (triggered by the
program control commands of RS-232 or USB bus interface).
2.14 Qualification test
The qualification test is an additional function of the basic measurement modes of CC/CV/CR/CP.
When the qualification test is started, it can detect in real time whether the current test is within the set
limit range on the main interface of basic measurement mode and display Pass/Fail.
