Siemens POL8T5.70/STD - Page 27

Technical specifications
Interface description
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Figure
Pin
RS485
Pin on controller
1
NC
2
NC
3
RS485 A+
RS485 A+ (for
RS485 connection)
4
0 V
5
0 V
6
RS485 B-
RS485 B- (for
RS485 connection)
7
24 V
8
24 V
Figure
Pin
LAN
Pin on controller
1
TX+
TX+
2
TX-
TX-
3
RX+
RX+
4
0 V
5
0 V
6
RX-
RX-
7
24 V
8
24 V
RS485 and LAN ports can also supply power. If one port is powered with DC 24 V,
the other port will not be output as DC 24 V if no external power supply is
connected.
RS485 Interface
IP interface
Note: