SIMOVERT Master Drives Communication Board CBD

Master DrivesCBD05/20/995 Start-up5.3 Information for the DeviceNet master5.3.2 Using Explicit Messaging with a PLC ScannerExample 3: Read value of 32 bit parameter P421.4The PLC word data is in hex.Block Transfer Write Data:SizeServicePort MAC ID AttributeCommandTXID Class Instance PKE INDPLC Word 0501 000A 0E03 0064 0001 0001 61A5 0004 0000 0000DataTXID = 05 (range 1 to FF hex = 1 to 255) should be incremented by PLC logic before each new requestCommand = 01 (always 01) execute transaction blockPort = 00 (range 00 to 01) DeviceNet port of scanner for command (00 = Channel A, 01 = Channel B)Size = 0A hex (choice of 0A hex for Get Single or 0E hex for Set Single)Service = 0E hex (choice of 0E hex = 14 for Get Single or 10 hex = 16 for Set Single)MAC ID = 03 (range 00 to 3F hex = 0 to 63) address of drive set in P918Class = 64 hex (always 64 hex) class number of PKW objectInstance = 01 (always 01)Attribute = 01 (always 01)PKE = 61A5 hex (range 0000 to FFFF hex) 61A5 hex = Read array parameter P421.4 – for more details,refer to the Parameter ID (PKE) section 4.2.1.4 previouslyIND = 0004 hex (range low byte = 00 to FF hex = 0 to 255), high byte = 0 (may be non-zero in future) 0004hex = index 4 – for more details, refer to the Parameter index (IND) section 4.2.1.5 previouslyBlock Transfer Read Data:PWE Low WordSizeServicePortMAC IDStatusTXID PKE PWE High WordPLC Word 0501 0006 8E03 51A5 3888 0001 0000 0000 0000 0000DataTXID = 05 -- must be same number as request TXID aboveStatus = 01 -- (must be 01) -- transaction successfulPort = 00 -- must be same number as request port aboveSize = 06 -- (must always be 06)Service = 0E hex -- must be same number as request service above + 80 hexMAC ID = 03 -- must be same address of drive as request abovePKE = 51A5 hex = Transfer of requested parameter P421.4 32 bit value (array) -- for more details, refer tothe Parameter ID (PKE) section 4.2.1.4 previouslyPWE = 00013888 hex -- 32 bit value of parameter P421.4 -- for more details, refer to the Parameter value(PWE) section 4.2.1.6 previously52 Siemens AG 477 759 4070 76 J AA-74SIMOVERTMASTERDRIVES Betriebsanleitung/OperatingInstructions