Connecting; Pin Assignment Of The Interfaces - Siemens SINUMERIK 840D sl Manual

General information and networking

1.3 Connecting

1.3 Connecting
1.3.1

Pin assignment of the interfaces

The pins of the component interfaces are assigned as specified in the tables below. Any
deviations are indicated at the relevant point.
Signal type:
I
O
B
V
-
Power supply interface
Connector type:
Max. cable length:
Table 1-4
Serial interface COM1
9-pin sub-D connector
Table 1-5
22
Input
Output
Bidirectional (inputs/outputs)
Power supply
Ground (reference potential) or N.C. (not connected)
Assignment of the power supply interface
Pin
1
2
3
Assignment of the serial interface COM1 (V.24/RS232)
Connector Pin
1
2
3
4
5
6
7
8
9
Terminal block, 3-pin plug connector
10 m
Name
P24 (+)
M24 (-)
SHIELD (PE)
Name
DCD (M5)
RxD (D2)
TxD (D1)
DTR (S1)
GND (E2)
DSR (M1)
RTS (S2)
CTS (M2)
RI (M3)
Type Meaning
- 24 VDC potential (20.4 to 28.8 VDC)
Ground 24 V
VI
Shield potential
Type Remark
Receive signal level (carrier)
I
Serial receive data
Serial transmit data
O
Data terminal ready
- Ground (reference potential)
I Data Set Ready
O Request To Send
Clear To Send
I
Incoming call
Operator panel front: OP 012
Manual, 09/2016, A5E36371591B