Siemens 6ES7647-0BA00-0YA2 - Serial Port

Hardware descriptions
10.2 External Interfaces
SIMATIC IOT2050
Operating Instructions, 03/2020, A5E39456816-AA
55
Pin
Short description
Meaning
1
BI_DA+
Bidirectional data A+, input/output
2
BI_DA–
Bidirectional data A–, input/output
3
BI_DB+
Bidirectional data B+, input/output
4 BI_DC+ Bidirectional data C+, input/output
5
BI_DC–
Bidirectional data C–, input/output
6
BI_DB–
Bidirectional data B–, input/output
7
BI_DD+
Bidirectional data D+, input/output
8
BI_DD–
Bidirectional data D–, input/output
LED
Short description
Meaning
1 LED 1 Connection status:
Off: No data transmission
Green flashing: Data transmission
2 LED 2 Speed:
Off
Yellow: 100 Mbps
GREEN: 1000 Mbps
10.2.4 Serial port
D-sub socket, 9-pin, with screw lock
Name of interface on the device: X30 COM
RS 232
RS 422
RS 485
Assignment RS 232
Pin
Short description
Meaning
1
DCD
Data carrier detect (I)
2
RxD
Received data (I)
3
TxD
Transmitted data (O)
4
DTR
Data terminal ready (O)
5
M
Ground
6
DSR
Data set ready (I)
7
RTS
Request to send (O)