Download BL67 - USER MANUAL FOR PROFINET IO

Integration of the RS485/422 Module
Integration of the RS485/422 Module
Data Image of the RS485/422 Module
Process Input Data (PDin)
The incoming data are stored in the receive-buffer of the BL671RS485/422 module, segmented and transferred to the PLC via the
module bus and the gateway.
The transmission is realized in a 8-byte format, structured as
follows:
„ 1 status byte, used to guarantee error free data-transmission
„ 1 byte diagnostic data
„ 6 byte user data.
Figure 36:
Data image PLC
input data
D300890 0407 - BL67 PROFINET IO
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