Elektro-Automatik PS 8160-05 2U Bedienungsanleitung Seite 37

Operating the device
It is recommended to define one unit as master that controls
voltage and current of the system. At any slave the set values of
voltage, current and power (if available) should be set to 100%.
All units displays their actual values, there will be no totals for-
mation of the system output current.
In order to control the whole system remotely, it is sufficient to
control the master via its analogue or digital interface. When
reading actual values, the voltage monitor value will represent
the overall system voltage, but the current monitor only the output
current of the master. In order to get accurate readings, either the
actual current is multiplied by the number of units in the parallel
connection (only applicable if all have the same nominal output
current) or all units will have to be read seperately.
For an example wiring see figure 6.
Figure 5. Series connection in Master-Slave
© 2009, Elektro-Automatik GmbH & Co. KG
11.3 Networking
Figure 7 and 8 depict networking examples for the digital control
of multiple devices in star-shaped (USB, RS22) or bus-like (CAN,
GPIB) configuration.
Limitations and technical specifications of the bus systems and
the interfaces apply.
With USB up to 0 units can be controlled with one PC, appropri-
ate USB hubs with custom power supply assumed.This basically
applies to RS22, too. Differences lie in the handling and the
cable lengths.
With CAN up to 0 power supplies per address segment can
be integrated into a new or existing CAN bus system. They
are addressed by the device node and the RID (see „8. Device
setup).
With GPIB there is a limitation of max. 15 units on one bus, con-
trolled by a GPIB master. Multiple GPIB masters can be installed
in a PC in order to increase the number of addressable units.
EN
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