Eaton XV-102 Operating Instructions Manual

Also see for XV-102 Series: Instruction leaflet Operating instructions Instruction leaflet Quick start guide Manual

5 Installation5.3 InterfacesXV-102 Micro Panel MN04802004Z-EN—February 2013 www.eaton.com 43 The maximum baud rate depends on the cable length:Tab. 22 Relationship of cable length / baud rate (for cables compliant with cable type A of the Profibus standard IEC/EN 61158and IEC/EN 61784)Profibus topology A bus segment can connect up to 32 bus stations. Several bus segments can be linked via repeaters (bidirectional amplifiers). Refer to the documen-tation of the repeater manufacturer for further information. Only use bus terminal connectors that are specified for use in the Profibus network. They hold bothbus cables on a bus station and ensure a low impedance connection of the cable shield to theshield reference potential of the bus station. These bus terminal connectors contain the Profibuscable termination that can be switched on as required. A bus segment must be provided with cable termination at both ends. The termination is passiveand is fed from the bus station. It ensures a defined idle signal on the bus when no bus station istransmitting. These bus terminations should be implemented externally in the connector casingaccording to the Profibus standard (they can also be implemented with the bus terminatingconnector described above).Cable length Max. baud rate200 m 1500 Kbit/s400 m 500 Kbit/s1000 m 187.5 Kbit/s1200 m d 93.75 Kbit/s) When preparing the cables, ensure that there is a low-resistance connection betweenthe cable shield and the connector casing (o Chapter 5.3.2, 26).) The maximum cable length can be increased by using repeaters. Refer to the documen-tation of the repeater manufacturer for further information.Fig. 23 Bus segment with four bus stations) The bus segment must be terminated at both ends. No more than two terminations must be provided on each bus segment. At least one of the two terminations must be fed by the bus station. Transmission faults can occur if operation is carried out without the correct termina-tion on the Profibus network.123675489 390390 123675489123675489123675489M5EXT(GND)ABM5EXT(GND)ABM5EXT(GND)ABM5EXT(GND)ABM5EXT(GND)ABM5EXT(GND)AB 220220390390www.comoso.com