WAGO I/O System 750 Series Manual

Also see for I/O System 750 Series: Manual Manual Manual Manual

Contents

70 • DeviceNetNetwork ArchitectureWAGO-I/O-SYSTEM 750DeviceNetNoteIf possible, route the data line separately from all high current carrying ca-bles.Further informationFor a detailed specification regarding the cable types, please refer to theINTERNET under: http://www.odva.org.4.2.1.3 Maximum Bus LengthIn the following table, the permitted cable length is represented in dependence of the Baudrate. Here, a differentiation is made between the maximum length for a transmission using athick and a thin cable.Bus length Tap line lengthBaud rateThick + Thin Cable onlyThickCableonlyThinCablemaximal cumulated500 kbit/s LTick + L Thin ≤ 100 m (328 ft) 100 m(328 ft)100 m(328 ft)6 m (19,6 ft) 39 m (127,9 ft)250 kbit/s LTick + 2,5 • LThin ≤ 250 m (820,2 ft) 250 m(820,2 ft)100 m(328 ft)6 m (19,6 ft) 78 m (255,9 ft)125 kbit/s LTick + 5 • LThin ≤ 500 m (1640,4 ft) 500 m(1640,4 ft)100 m(328 ft)6 m (19,6 ft) 156 m (511,8 ft)Tab. 4-1: Maximum bus length dependent on the set Baud rateWhen specifying the maximum cable lengths, it is made sure that communica-tion is possible between two nodes located at maximum distance to each other(worst case).4.2.2 CablingThe connection of a WAGO fieldbus node to the DeviceNet bus cable is madeby the supplied 5-pole plug (Multi Connector 231).FieldbusconnectionSeries 231(MCS)CAN_HighdrainCAN_LowV-V+Fig. 4-1: Plug assignment for the fieldbus connectionFor wiring using a screened cable, the plus is assigned the connections V+, V-for the voltage supply and with CAN_High, CAN_Low for data transmission.The 24 V field bus supply is fed by an external fieldbus network power sup-ply.