Product Guide
PROFIBUS OLM/G12-EEC
Classification:
Company:
Gleiwitzer Str. 555
90475 Nürnberg
Germany
Günter Steindl
https://www.siemens.de
Illustration:
Product description:
The PROFIBUS OLMs (Optical Link Module) allow optical PROFIBUS networks to be configured in bus, star or redundant ring topologies, e.g. road tunnels or traffic control systems. It detects all PROFIBUS data rates from 9.6 kbit/s up to 12 Mbit/s automatically including 45.45 kbit/s (PROFIBUS PA). The OLMs provide a high availabilty through redundant power supply and redundant wiring arrangment. The distance between two OLMs in the redundant ring is only limited by the optical range of modules. Bus and redundant ring can be cascaded up to 124 OLMs.
The OLM/G12-EEC is especially designed for outdoor use to -20°C. The OLMs provide rapid fault localization by means of signalling contact, LED and measurement sockets. The OLM/G12-EEC can be used for longer distances of up to 3000 m with plastic FO cables (62.5/125 µm). The OLM/G12-EEC includes 1 x RS 485 and 2 x glass FO interface (4 BFOC plugs).
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