Interfaces - Siemens SINUMERIK 840D sl Manual

Spare Parts/Accessories
11.3 RS 232C (V.24) module COM01
11.3.3

Interfaces

The RS 232C (V.24) module has a standardized serial interface.
Properties
COM port X491 is opto-uncoupled.
Cable specification
Table 11-11 Cable specification for COM port X941
Characteristic
Connector type
Cable type
Order number
Max. cable length
Pin assignment
Table 11-12 COM port X491
104
Specification
9-pin SUB-D socket; pin
Prefabricated signal line RS 232C/V.24 (9-pin - 9-pin)
6FX8002-1AA01
15 m
Pin Signal name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Signal type Meaning
Input Receiver signal level
Input Serial receive data
Output Serial transmit data
Output Data terminal equipment ready
- Ground (reference potential)
Input Readiness for operation
Output Request To Send
Input Clear To Send
Input Incoming call
Manual, 03/2010, 6FC5397-0AP10-3BA0
NCU