Serial Port - Siemens SIMATIC IOT2050 Operating Instructions Manual

Pin
1
2
3
4
5
6
7
8
LED
1
2
10.2.4

Serial port

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