3310F Series Operation Manual 1
Chapter 1 Introduction
1-1. General description
The 3310F series of Electronic Load modules are designed to test and evaluate a wide
range of DC Sources. They are often used in the burn-in and validation of DC power
supplies and the testing of batteries. The 3310F series of electronic load modules are
operated from within a suitable mainframe. The 3300F/3302F/3305F mainframes allow 1, 2
or 4 modules to be operated. The mainframes provide the necessary mains power
conversion along with computer and analogue interfaces. A front panel memory function
is provided. 150 memory locations are available to store the set-up of the load modules
within the mainframe. It is also possible to program and recall a test sequence consisting of
different steps against time. Please refer to the separate 3300F/3302F/3305F operating
manuals for the mainframe functions.
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 3310F
can sink up to 30A and 60Vdc at a maximum of 150W. So if the maximum voltage of
60Vdc is present at the load’s input terminals a maximum load current of 2.5A is possible.
Conversely if the 3310F is required to sink 30A the voltage must be limited to 5V.
The power contour of each load module in the 3310F series is shown in Fig 1-1, to 1-5.
Fig 1-1 3310F 60V/30A/150W power contour
Fig 1-2 3311F 60V/60A/300W power contour
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