SIMOVERT Master Drives Communication Board CBD

Master DrivesCBD05/20/994 Data transfer via DeviceNet4.2 Parameter area (PKW)4.2.1 Use of PKW object4.2.1.6 Parameter value (PWE)4.2.1.6 Parameter value (PWE)Parameter value (PWE)low word: Byte 1 Byte 0Parameter value low (PWE1)high word: Byte 3 Byte 2Parameter value high (PWE2)Included In: SET SINGLE, responseAK:SPM:PNU:Task- or response IDToggle bit for processing the parameter change report(not supported by CBD)Parameter numberThe parameter value (PWE) is always transferred as double word (32 bit). Only one parameter value can betransferred in a telegram.A 32-bit parameter value is comprised of PWE1 (least significant word) and PWE2 (most significant word).A 16-bit parameter value is transferred in PWE1 (least significant word). In this case, PWE2 (most significant word),must be set to 0.PWE Example 1: Read value of parameter P101.4This example details the decoding of the task PWE of example 1 in the Use of PKW object section 4.2.1previously. Since this example was a GET SINGLE, the PWE is only used in the response from the drive. Sincethe response ID of the PKW was 4, the parameter is a 16 bit parameter and the value is completely contained inPWE1. If the response ID of the PKW had been 5, the parameter would have been a 32 bit parameter and thevalue would have been contained in PWE1 and PWE2.(PWE):P101 (=065 hex): Rated motor voltageRead parameter value with index 4.Low word(PWE1)Parameter value (PWE)Byte 1 Byte 0Bit No.: 15 8 7 0Hex value 0 F A 0High word(PWE2)Byte 3 Byte 2Bit No.: 31 24 23 16Hex value 0 0 0 0Bits 0..15:Bits 16..31:Parameter value for 16-bit parameter or low component for 32-bit parameterValue = 0 for 16-bit parameter or high component for 32-bit parameter28 Siemens AG 477 759 4070 76 J AA-74SIMOVERTMASTERDRIVES Betriebsanleitung/OperatingInstructions