Siemens SIMATIC IPC477D - Usb 2.0; Profibus

Technical information
8.5 Hardware descriptions
SIMATIC IPC477D, IPC477D PRO
Operating Instructions, 11/2016, A5E31347228-AF
231
8.5.1.7
USB 2.0
USB 2.0 port
Pin no.
Short description
Meaning
1 USB_P5V_fused (O) + 5 V (fused) for external USB interface
2
USB_D0M (I/O)
Data-, USB channel 0
3
USB_D0P (I/O)
Data+, USB channel 0
4
USB_GND
Ground for external USB interface
8.5.1.8
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)