Eaton XV300 Manual

Also see for XV300 Series: Manual Manual

5. External connections5.7 PROFIBUS interface5.7 PROFIBUS interfaceThe Profibus-DP-- interface is not electrically isolated.CAUTIONNON-GALVANICALLY-ISOLATED INTERFACESThe XV300 may be damaged by potential differences.The GND terminals of all bus modules must be connected.Do not connect the connector to the XV300 or disconnect it withoutfirst de-energizing the system.SUB-D socket PIN signal Meaning9 pole123456987 1 n.c. not used2 n.c. not used3 B EIA RS 485 cable B4 RTSAS Output for controlling a repeater5 M5EXT (GND) Output 0 V for external termination (Ground)6 P5EXT Output 5 V for external termination7 n.c. not used8 A EIA RS 485 cable A9 n.c. not usedTable 20: Pin assignment for Profibus DP, not galvanically isolated, SUB-D socket 9-pole, UNC nuts for interlockingPROFIBUS interfacePIN 6 (5 V) must not be used as a power supply for external devices.nc: PIN 1, 2, 7 and 9 must not be connected.5.7.0.1 Wiringl Screened twisted-pair cables must be used.l Cable type A (as specified in Profibus standards IEC/EN 61158 and IEC/EN 61784)Cable specificationsRated surge impedance 150 OhmPermissible surge impedance 135 … 165 OhmCapacitance per unit length < 30 pF/mLoop resistance < 100 Ohm/kmCore cross-section ≥ 0.34 mm2 (22 AWG)The maximal baud rate depends on the cable lengthPossible baud rates With a max. cable length of 100 m 12000 kBit/s (12MBit/s)200 m 1500 kBit/s (= default settings)400 m 500 kBit/s (= default settings)1000 m 187.5 kBit/s (= default settings)1200 m ≤ 93.75 kBit/sTable 21: Specifications for Profibus wiringWhen preparing connections, ensure that the cable shield has a lowimpedance connection with the connector housing.66 XV300 04/19 MN048017EN www.eaton.eu