BK Precision MDL4U Series, Руководство пользователя

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Introduction
1.1 Product Overview
This section describes the main features and menus of the MDL4U Series DC Electronic Load. The MDL4U Series is
comprised of two parts, mainframes and modules. The mainframes mentioned are the MDL4U001 mainframe and the
MDL4U002 mainframe extension. Modules in this series include the MDL4U200, MDL4U252, MDL4U302, MDL4U305,
MDL4U400, MDL4U505, and MDL4U600. Unless otherwise noted, this document will refer to all of these instruments as
“electronic load”. The range of each module’s specific voltage, current, and power is listed in the Specifications section.
1.2 Description
Front View Rear View
Figure 1.1 MDL4U 001 and 002 Populated
The MDL4U Series is a multi-channel modular programmable electronic load system. Seven different modules of pro-
grammable DC loads ranging in power from 200 W to 600 W provide users the flexibility to test a wide range of power
sources from multi-output DC power supplies to batteries, fuel cells, and photovoltaic arrays.
Up to four modules can be installed into the MDL4U001 mainframe to support up to a total of 8 channels. Adding the
MDL4U002 mainframe extension will enable the system to support four additional module slots for a maximum of 16
channels. The electronic load is configured by installing user-selectable modules into the mainframe and operated using
the front panel keypad and rotary knob. It can also be controlled remotely via USB, RS-232, LAN, or GPIB interface.
The electronic load modules all have similar functions, but may differ in range of input voltage, current, and power. The
high resolution voltage and current measurement system provides both accuracy and convenience.
The electronic load can be used in one of five different operation modes: constant voltage (CV), constant current (CC),
constant resistance (CR), constant power (CW), or constant impedance (CZ). All panel operation and programming
functions are carried out on the MDL4U001 mainframe panel. A wide range of dynamic loading applications can be
simulated through user-programmable slew rates, load levels, duration, and conducting voltage.
Model MDL4U200 MDL4U252 MDL4U302 MDL4U305 MDL4U400 MDL4U505 MDL4U600
Power 200 W *250 W/50W *300 W/300 W 300 W 400 W 500 W 600 W
Operating Voltage 80 V 80 V 80 V 500 V 80 V 500 V 80 V
Rated Current 40 A 20 A 45 A 20 A 60 A 30 A 120 A
No. of Channels 1 2 2 1 1 1 1
Table 1.1 MDL4U Modules