User manual

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Using the power supply

Figure 8. CAN networking example, also applies to GPIB

Figure 7. USB or RS232 networking

10.5 Networking

Figure 7 and 8 depict networking examples for the digital control

of multiple devices in star-shaped (USB, RS232) or bus-like (CAN,

GPIB)conguration.

Limitationsandtechnicalspecicationsofthebussystemsand

the interfaces apply.

With USB up to 30 units can be controlled with one PC, appropri-

ate 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 „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.