DC Controller
UPC4 Master
User Manual
Page 17/100
©2010. ELTEK VALERE DEUTSCHLAND GmbH. UM_UPC4_V2.00_E_R1.1_2011-01-04
4 The concept
4.1 General
The UPC4 is a central control unit for the purpose of controlling the power system. The unit collects
the data of CAN bus connected modules such as voltages, electric current values measured by basic
units (BU), digital status information (via digital input board DCC-Di8) and status messages/values of
the power modules (rectifiers, DC/DC converters, DC/AC inverters, static bypass switch (STS) etc.
The data are analyzed by the UPC4 and the system is controlled according to the settings such as
rectifi
er output voltage, alarm messages etc. corresponding to the configuration.
In addition the information is provided via SNMP and Modbus as well. (Profibus is planned).
4.2 Rectifier monitoring
The Controller UPC4 is able to support two entirel
y different groups of rectifiers:
On the one hand rectifiers of type PSR/PSS on the other h
and rectifiers of type Flatpack, Minipack,
Micropack, and Powerpack. It has to be observed that both different groups have to be connected to
different CAN bus connectors:
1. Rectifiers of type PSR/PSS >>CAN 1 &
CAN 2 (RJ12 connectors) have to be used.
2. Rectifiers of type Flatpack, Minipack, Micropack, and Powerpack >>CAN 3 & CAN 4 (RJ45
connectors) have to be
used.
(see also section 3.2.1.2 “CAN connectors
”)
Both different rectifier groups are specified by the configuration software in the area "CAN Devices
Cnt" (see section 6.4.2) as well as in the measurement value area of the RD.
But the configuration data of the rectifiers such as e.g. nominal voltage are related to "rectifier" in
gener
al. That means that it dos'nt matter whether it's a question of rectifiers of series PSR, PSS or
Flatpack, Minipack, Micropack, or Powerpack.
IMPORTANT!
Rectifiers of series PSR and PSS cannot be operated in combination with
rectifiers of series Flatpack, Minipack, Micropack, and Powerpack.
4.2.1 Rectifiers of the PSR/PSS group
The UPC4 supports all rectifiers of the PSR/PSS group at its first CAN bus port "CAN 1 & CAN 2" (RJ12
connectors).
If more than one PSR ba
ckplane (rack) is used, the CAN address of the rack has to be set by DIP or HEX
switch at the rack. (For details, please see the user manuals of the specific rack.) Whereas the module
slots within the rack are firmly encoded. Due to this each of the module slot has a definite CAN ID
which is transmitted to the respective rectifier after it is switched ON. Using this address the rectifier
logs on at the UPC4 and is integrated in the system and controlled via this address.
Because cassette modules such as PSS recti
fiers have no automatic log on functionality, the CAN
addresses have to be manually set at the units and additionally they have to be set at the UPC4 using
the configuration software MMT.
(For more information please see section 6.4.2 CAN Devices Cnt
).
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