User Manual
76
© 2006, Elektro-Automatik GmbH & Co. KG
Irrtümer und Änderungen vorbehalten
EN
Instruction Manual
PSI 8000 3U Series
Date: 03-22-2011
Operating the device
Figure 15. USB or RS232 networking
11.5 Networking
The gures below depict networking examples for the digital
control of multiple devices in star-shaped (USB, RS232, Ether-
net) or bus-like (CAN, GPIB, Probus) conguration.
Limitations and technical specications of the bus systems and
the interfaces apply.
With USB up to 30 units can be controlled with one PC, ap-
propriate USB hubs with custom power supply assumed.This
basically applies to RS232, too. Differences lie in the handling
and the cable lengths.
With CAN up to 30 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 „7. Device
conguration“).
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.
Figure 16. CAN networking example, also applies to GPIB
11.6 Firmware update
A rmware update of the device should only be done if the
device shows erroneous behaviour or if new features have
been implemented.
In order to update a device, it requires a certain digital inter-
face card, a new rmware le and a Windows software called
„Update tool“.
These interfaces are qualied to be used for a rmware update:
• IF-U1 (USB)
• IF-R1 (RS232)
• IF-E1 (via the USB port)
• IF-PB1 (via the USB port)
In case none of the above interface types is at hand, the device
can not be updated. Please contact your dealer for a solution.
The update tool and the particular rmware le for your device
are obtainable from the website of the device manufacturer, or
are mailed upod request. The update too will guide the user
through the semi-automatic update process.