Siemens SIMATIC HMI Mobile Panel 277 RO - 10.3 Mobile Panel 277 RO interface assignment

Technical specifications
10.3 Mobile Panel 277 RO interface assignment
Mobile Panel 277 RO
Operating Instructions, 10/2015, A5E36824256-AA
135
10.3
Mobile Panel 277 RO interface assignment
10.3.1
RS 485 (IF 2)
Sub-D socket, 9-pin, with screw lock
Pin
Assignment
1
n. c.
2
GND 24 V
3
Data channel B (+)
4
n. c.
5 GND 5 V, floating
6 +5 VDC, floating
7 +24 VDC, out (max. 100 mA)
8 Data channel A (–)
9 n. c.
10.3.2
USB
USB socket
Pin
Assignment
1
+5 VDC, out (max. 500 mA)
2
USB-DN
3
USB-DP
4
GND