User manual

Page 18
EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
[e-mail]
PS 3000 C Series
1.9 Construction and function
1.9.1 General description
The laboratory power supply devices of PS 3000 C series are the third generation of small desktop units in the
power class up to 640 W. Due to their compact size they’re especially suitable for research laboratories, test ap-
plications or educational purposes.
ForremotecontrolusingaPCthedevicescanbeequippedwithanoptional,separatelyavailableanduser-retrot-
tableinterfacecard.Thereisachoiceofthreedierenttypes:USB,USB+EthernetorUSB+Analog.Allinterfaces
are galvanically isolated from the device.
Thestandardcarryinghandlecanserveastiltstand,allowingforsetupofdierentpositionsinordertomakeit
easier to read from the display or access the control elements.
All models are controlled by microprocessors.
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,BE),whichcanbetargetofrmwareupdates.
See below (dotted elements are optional components):
Controller
(DR)
Commu‐
nication
(KE)
HMI
DC
USB
Ana
log
PS3000C
Blockdiagram
ETH
AC
=
≈
Sense
Power block
Controller
(DR)