User's Manual

Doc.: HD0389-00-Manuale_TL_GWCxxxx_r.0.1_EN.doc-00 17/04/2011 Page 37 of 49
3.5.8. CN8 : PROFIBUS DP interface connection
PROFIBUS DP interface is not available on all device versions.
PROFIBUS DP physical interface is a 9 poles female SUB-D type connector
Please refer to software manual for further information about PROFIBUS
connection.
Connection
table
Segnali Pin Funzioni
Shield CN8.1 Shield – Protective Ground
n.c. CN8.2 n.c.
RxD/TxD-P CN8.3 Positive Receive/Trasmission Data
CNTR-P CN8.4 Control Signal for repeaters (Positive
direction control – RTS)
DGND CN8.5 Data Trasmission Ground
V+ CN8.6 Supply Voltage Positive (+5V for
terminating resistors)
n.c. CN8.7 n.c.
RxD/TxD-N CN8.8 Negative Receive/Trasmission Data
CNTR-N CN8.9
Control Signal for repeaters (Negative
direction control – RTS)
Wiring
requirements
Please use shielded cable having twisted pairs with 0.5mm
2
(#20AWG)
or 0.25mm
2
(#23AWG) section.
i
9
8
7
3
2
6
5
4
1Shield
n.c.
RxD/TxD-P
CNTR-P
DGND
V+
n.c.
RxD/TxD-N
CNTR-N