VCP25.1 Project Planning Manual - Bosch Rexroth

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7-12 Bosch Rexroth AG | Electric Drives and Controls Rexroth IndraControl VCP 25 | R911299720 / 02Interfaces7.2.1.1 Pin AssignmentFig. 7-16:9-pin D-SUB male and female connector stripConnector in the small operator terminal: 9-pin D-SUB male andfemale connector strip (assignment for male and female connector stripis the same).Pin Designation Function1 nc Not Connected2 CAN_L CAN_L Bus Line (Dominant LOW)3 CAN_GND CAN Ground4 nc Not Connected5 nc Not Connected6 CAN_GND CAN Ground7 CAN_H CAN_H Bus Line (Dominant HIGH)8 nc Not Connected9 nc Not ConnectedFig. 7-17: Pin assignment DeviceNetAll signal lines are looped through from X2.1 to X2.2. The connectingcables should be connected to every pin, including the reserved pins.In this way, the cables can still be used in case of future bus specificationextensions.The D-SUB connector strips must be shielded sufficiently. See chapter„Shielding D-SUB Connectors“ on page 7-23.7.2.1.2 CableA DeviceNet-certified cable must be used.CabletypeLoop resistanceSurgeimpedanceCapacitance perunit length2 x 1.1 mm < 22.6 Ohm/km 120 Ohm < 39.4 pf/m2 x 0.6 mm < 91.8 Ohm/km 120 Ohm < 39.4 pf/mFig. 7-18: Data line DeviceNet
R911299720 / 02 | Rexroth IndraControl VCP 25 Electric Drives and Controls | Bosch Rexroth AG 7-13InterfacesThe maximum length allowed for spur lines connected to the bus cableis 6 meters. The overall length of the bus cable including all spur linesis not to exceed the maximum length listed in the table below.The maximum cable length depends on the baud rate and the cabletype used.Baud rate Cable type Cable length125 kBit/s 2 x 1.1 mm 500 m2 x 0.6 mm 100 m250 kBit/s 2 x 1.1 mm 250 m2 x 0.6 mm 100 m500 kBit/s 2 x 1.1 mm 100 mFig. 7-19:2 x 0.6 mm 100 mBaud rate DeviceNet7.2.1.3 TerminationTerminate the DeviceNet bus at both ends by terminating resistors(120 Ohm).7.2.1.4 DiagnosticsA diagnostics LED is located at the rear of the small operator terminal.The LED shows the states of the bus system.Fig. 7-20:Arrangement of the DeviceNet diagnostics LEDThe diagnostics LED at the small operator terminal has the followingfunctions:Color State FunctionGreen Off Terminal Disconnected from BusGreen On Communication ActiveGreen Flashing Sporadic Bus ErrorFig. 7-21: Function of the DeviceNet diagnostics LED
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VCP25.1 Project Planning Manual - Bosch Rexroth

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