Siemens SIMATIC IPC677D - 8.5.3.6 PROFIBUS; 8.5.3.7 PROFINET

Technical information
8.5 Hardware descriptions
SIMATIC IPC677D
142 Operating Instructions, 09/2014, A5E32995420-AC
8.5.3.6
PROFIBUS
PROFIBUS interface, 9-pin (socket)
Pin no.
Short description
Meaning
1-2
NC
Not connected
3
LTG_B
Data line (I/O)
4 RTS_AS Turn on PLC transmitter (O)
5
GND
Ground isolated
6
P5V_dp_fused
+5 V / max. 90 mA (fused) electrically isolated
7
NC
Not connected
8
LTG_A
Data line (I/O)
9
RTS_PG
PG Request to send (O)
8.5.3.7
PROFINET
PROFINET LAN X3 Port P1, P2, P3
PROFINET interface
Pin no.
Short description
Meaning
Input / output
1
RD+
Receive data
2
Input
2
RD-
Receive data
2
Input
3
TD+
Send data
2
Output
4, 5
1
SYMR
Internal 75 Ohm terminating resistor
_
6
TD-
Receive data
2
Output
7, 8
1
SYMT-
Internal 75 Ohm terminating resistor
_
S
Shield
LED 1
Lights up green: link
LED 2
Lights up yellow: Activity
1
Optional product variant
2
Auto Negotiation and auto crossover are supported