7 Product-specific CAN objects XN300 slice modules7.19 XN-322-4AIO-U2Gateway XN-312-GW-CAN 06/16 MN050003-EN www.eaton.eu 241Design of the data bytes:7.19.8 Analog Input Interrupt Negative Delta Unsigned (Object 0x6427)Object 0x6427 defines the negative fluctuation range (delta) relative to thelast transmitted value when counting down and affects the transmission ofobject 0x6401 accordingly ￫ Figure 76, page 234.The specified fluctuation range refers to the data transmitted in object0x6401 and accordingly must be specified as an unsigned value with thesame value representation.Object 0x6401 will be transmitted (CAN transmission) if all of the followingconditions are met:• The current value (ENTRY into 0x6401) is less than the last transmittedvalue and the difference is greater than or equal to the fluctuation range(Negative Value Difference 0x6427).• Object 0x6421 is set to enable.• The global interrupt in object 0x6423 has been enabled with: TRUE.Feature Description / Value EDSName AI_DELTA_VALUE [MxSubExt6426]ParameterName=AI_DELTA_VALUEObjectType=0x7DataType=0x0007AccessType=rwDefaultValue=0x00000000HighLimit=0x0000FFFFPDOMapping=0Count=2Description Analog Input Interrupt Delta UnsignedObject Code ARRAYMapping SDOData type UNSIGNED32Sub index 01... FE hexAccess rwDefault value 0000 0000hex1 Byte Byte 0:Sub index1≦n≦254B15B14B13B12B11B10B9B8B7B6B5B4B3B2B1B0MSBLSB3 Byte Byte 2Sub index1≦n≦254B31B30B29B28B27B26B25B24B23B22B21B20B19B18B17B16Not relevant Not relevant
