Festo Кабели и принадлежности - Manual (Page 73)

4. Commissioning
4−27
Festo P.BE−SPC200−COM−PDP−E N en 0901c
4.5.2 Configuring with DP masters of other manufacturers
The SPC200 can be controlled by any PLC, PC or industrial PC
with a PROFIBUS−DP module in accordance with EN 50170
(DIN 19245).
Bus sequence DP master (standard)
In order to commission the SPC200 correctly, the DP master
must carry out the following functions in the sequence speciĆ
fied here:
1. send a parametrizing telegram
2. send a configuration telegram
3. request diagnostic information
4. start cyclic exchange of data
The composition and contents of the individual telegrams are
described in the following chapters.
Send parametrizing data
The parametrizing data are transferred from the DP master to
the SPC200 with the function Set_Prm.
Byte 1: Station status
Bit Meaning Explanation
0 Ĉ Reserved
1 Ĉ
2 Ĉ
3 WD_On Response monitoring of the SPC200 on/off:
log. 0": Off
log. "1": On
4 Freeze_Req log. 1": Activate FREEZE