Anybus Communicator Modbus plus User Manual page 45

To specify the properties of the object, select it in the Navigation Section enter the desired settings in
the Parameter section as follows:
Parameter Description
Byte Swapping • No Swapping
• Swap 2 bytes
• Swap 4 bytes
Fill unused bytes
• Enabled
• Disabled
Filler byte Filler byte value. Only used if 'Fill unused bytes' has been enabled.
Data Location The offset in the internal memory buffer where the data shall be read from / written to
Object Delimiter • Length Character
• Length Character Visible
• End Character
• End Character Visible
• No Character
End Character Value
End Character value
Maximum Data Length The maximum allowed length (in bytes) of the variable data object. If the actual length of the
data exceeds this value, the message will be discarded. The value must not exceed 300 bytes,
which is the maximum data length allowed for one frame.
a. Only relevant for Consume/Response transactions
b. Only used if 'Object Delimiter' is set to 'End Character' or 'End Character Visible'
Anybus Communicator for Modbus Plus
Doc.Rev. 3.01
No swapping will be performed on the data
A, B, C, D becomes B, A, D, C
A, B, C, D becomes D, C, B, A
a
Fill unused data with the value specified in 'Filler byte'.
Don't fill
Length character is visible in the internal memory buffer but not on the subnetwork
The length character is visible both in the internal memory buffer and on the subnetwork.
The end character is visible in the internal memory buffer but not on the subnetwork.
The end character is visible both in the internal memory buffer and on the subnetwork
a
No End- or Length-character is generated in the internal memory buffer.
b
Frame Objects 43
Doc.Id. SCM-1200-093