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3110 Series Operation Manual 1
Chapter 1 Introduction
1-1 General description
More and more electronic products, such as mobile phones, laptops, tablet chargers, mobile
power supplies, wireless chargers, electric hand tool chargers, etc., are currently using a single
input voltage. In response to this trend, Electronics introduced the single-machine 3110 series
of five electronic loads, including 80V and 500V, 350W and 700W four loads, and a 250W / 80V
/ 50A low wattage load to meet the needs of various tests on the market. .
3110 series electronic load continues the functions of various electronic load modes, including
constant current, constant resistance, constant voltage, and constant power, dynamic and
short-circuits mode, high-precision 5bit voltage, current, and power meter display
simultaneously, full range RS232 and USB interfaces are standard.
For fast-charging mobile phones and mobile power supplies, the 3110 Series electronic load
can be used with the 9922 or 9922-R Fast Charge Controller to test and validate USB-C and
QC 2.0, QC 3.0 and other specifications. In addition, it also includes various complete
performance tests for battery CC, CP, timed discharge, etc., and Surge function for simulating
electronic product startup overcurrent and hot plugging instantaneous current.
Each load module is capable of sinking a wide range of voltage and current values. The load
modules are limited by the maximum power they can sink. For example the 3110 can sink up to
50A and 80Vdc at a maximum of 250W. So if the maximum voltage of 80Vdc is present at the
load's input terminals a maximum load current of 3.125A is possible. Conversely if the 3110 is
required to sink 50A the voltage must be limited to 5V.
The power contour of each load module in the 3110 series is shown in Fig 1-1, to 1-5.
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