heinzinger ERS Compact Series, Руководство пользователя, Страница: 27 / 114

Heinzinger electronic GmbH
Phone: +49 (0) 8031 2458 0 www.heinzinger.com
Anton-Jakob-Str. 4, 83026 Rosenheim Fax: + 49 (0) 8031 2458 58 info@heinzinger.de
Germany
Page 27
ERS COMPACT
1.9 Construction and function
1.9.1 General description
The power supplies of the ERSC 10000 4U series are so-called bidirectional devices, incorporating the function
of a laboratory power supply (source) and an electronic load (sink) into one unit. They allow for easy setup of
applications according to the source-sink principle with a minimum of required hardware and cabling. Switching
between source and sink operation is seamless and without delay at zero point.
The sink feature furthermore includes an energy recovery function, similar to the one in series ELR 9000, which
inverts the consumed DC energy with an efficiency of up to 96% and feeds it back into the local mains.
Apart from basic functions of power supplies, set point curves can be generated by the integrated function gen
-
erator (sine, rectangular, triangular and other curve types). Arbitrary generator curves (99 points) can be saved
to and loaded from a USB stick. Some of the functions even offer to dynamically switch between source and sink
operation mode by setting up positive (for the source) or negative (for the sink) current set values.
For remote control the devices are provided as standard with USB and Ethernet ports on the rear side, as well as
a galvanically isolated analog interface. Via optional plug-in interface modules, other digital interfaces such as for
RS232, Profibus, ProfiNet, ModBus TCP, CAN, CANopen or EtherCAT can be added. These enable the devices
to be connected to standard industrial buses simply by changing or adding a small module. The configuration, if
necessary at all, is simple.
In addition, the devices offer as standard the possibility for parallel connection in so-called Share bus operation
for constant current sharing, plus a true master-slave connection with totaling of all actual values is also provided
as standard. Operating in this way allows for up to 64 units to be combined to a single system with a total power
of up to 1920 kW. For this, the series offers so-called Slave models which are intended to run only as slave units
of a master-slave system and thus have a reduced control panel and also reduced price.
Alternatively to the standard air-cooled version there are also water-cooled available which are usually configured
and offered in cabinet systems with a complete water cooling distribution inside. For DIY water-cooled systems
single units can also be obtained upon request.
1.9.2 Block diagram
The block diagram illustrates the main components inside the device and their relationships.
There are digital, microprocessor controlled components (KE, DR, HMI), which can be target of firmware updates.
Controller
(DR)
Commu-
nication
(KE)
HMI
MS USB USB
Ana
log
Share &
Sense
PSB 10000
Block diagram
=
≈
=
≈
AC
DC
Commu-
nication
(KE)
Power block
Any
bus
ETH