SIMOVERT Master Drives Communication Board CBD

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Master DrivesCBD05/20/991 Product description1 Product descriptionBoard CBDThe documentation (English language only) is always included with the board. It is not possible to order thedocumentation separately.The communication board can either be ordered as a spare part or as a package with a mounting kit. The mounting kitconsists of the communication board CBD, manual, connector and mounting components.The mounting kit part number is 6SX7010-0FK00.The communication board only is has part number 6SE7090-0XX84-0FK0The CBD 1 communications board is the DeviceNet interface for the complete MASTER DRIVES series.♦ SIMOVERT FC (Frequency Control)♦ SIMOVERT VC (Vector Control)♦ SIMOVERT SC (Servo Control)♦ SIMOVERT MC (Motion Control)The CBD communications board permits MASTER DRIVES to be coupled to higher-level automation units or otherfield devices via the DeviceNet protocol.The CBD communications board can be simply inserted in the drive electronics box, and operates with all of thesoftware- and hardware versions of MASTER DRIVES. For some drives, a 6SE7090-0XX84-0KA0 adapter board anda LBA board are also required.The CBD supports both DeviceNet Explicit Messages and I/OMessages to implement the equivalent of the process data andparameter data portions of drive communications.For DeviceNet , Explicit Message Connections provide generic,multi-purpose communication paths between two devices. Theyprovide the means by which typical request/response orientedfunctions are performed (for example module configuration).By contrast, DeviceNet IO Message Connections provide specialpurposecommunication paths between a transmitting device andone or more receiving devices. Application-specific I/O data movesacross an I/O Connection. The meaning of the data within an I/OMessage is implied by the associated Connection ID.The CBD supports the Predefined Master/Slave Connection Set asdefined in the DeviceNet specification. Both poll and bit strobeI/O messages are supported.Closed Loop Control on CUor3Technology Board TBDual-Port-RAMCBDDeviceNetThe CBD follows the DeviceNet Device Profile for the Communication Adapter (Device Type 12). TheCommunication Adapter Profile was chosen so that all the flexibility and advanced features of the Master Drive couldbe used by the DeviceNet master. For this same reason, the CBD did not implement the DeviceNet AC Drivesprofile.1 CB = Communication Board, e. g. CBD2 CU = Control Unit, e. g. CU1, CU2, CU33 TB = Technology Board, e. g. T300, T100Figure. 1.1DeviceNet is a trademark of Open DeviceNet Vendor Association (O.D.V.A.)Siemens AG 477 759 4070 76 J AA-74 5SIMOVERTMASTERDRIVES Betriebsanleitung/OperatingInstructions2TMCoupling CBD to the drive via the dualport RAM interface
Master DrivesCBD05/20/991 Product descriptionThe CBD DeviceNet messages can be roughly sub-divided into three areas:♦ DeviceNet Configuration data, i. e. channel allocation, time-outs, and I/O assembly selections which use ExplicitMessages, and♦ Process data, i. e. control words, setpoints/reference values and status information and actual values which useI/O Messages, and♦ Drive parameter data to read/write drive parameter values which use the vendor specific PKW object and ExplicitMessages.The drive is controlled using the process data, for example power-on/power-off and setpoint input.The number ofprocess data words (4, 8, or 16) is selected at power-up by dedicated CB parameters or dynamically throughDeviceNet. The use of each process data word is set at the drive and is dependent on the actual function of eachparticular drive. The process data is processed with highest priority and in the shortest time segments.The vendor specific PKW object is used to read and change drive parameters by the master using DeviceNet. Theexplicit messaging channel is used. Using this PKW object, the user has free access to all parameters in the basedrive (CU) and an optional technology board (TB) via DeviceNet. Examples include: Reading-out detailed diagnosticinformation, fault messages etc. Thus, without influencing the performance of the process data transfer, additionalinformation can be requested by a higher-level system (for example a PC) for drive visualization.Open-loop control and operator control of Master Drives via DeviceNetIn the process data area (refer to Figure 1.1), all of the information is transferred that is required to control a drivewithin a particular technological process. Control information (control words) and setpoints are sent to the drive fromthe DeviceNet master. Information regarding the drive status (status words) and actual values are transferred in theother direction.The CBD communications board stores the received process data in the dual port RAM in the same sequence as it istransmitted in the telegram. Each word in the dual port RAM is assigned an address. The contents of the dual portRAM in the drive (CU + if required TB) can be freely connected via parameters, for example the second word in theprocess data area of the telegram can be connected to be used as the as speed setpoint to the ramp-functiongenerator. The same mechanism is also true for other setpoints and for each individual control word bit. Thismechanism is also true for data traffic in the opposite direction when transferring actual values and status words tothe master.Diagnostic LED’s provide the user with fast information regarding the instantaneous status of the CBD. More detaileddiagnostic information can be directly read-out of the CBD diagnostics memory using a diagnostics parameter.6 Siemens AG 477 759 4070 76 J AA-74SIMOVERTMASTERDRIVES Betriebsanleitung/OperatingInstructions
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SIMOVERT Master Drives Communication Board CBD

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