GE P485 User Manual
Page 22
3–4
P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE
DATA EXCHANGE
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Message frame: The message frame contains a description of what is actually
transmitted on the sub-network and consists of frame objects (see figure above).
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Frame object: Frame objects are used to compose a message frame. Frame objects
include fixed values, dynamic values retrieved from a specified memory location in the
P485, or strings.