4.1 CNC operator panel (PCU) interfaces
Interfaces
4-22
SINUMERIK 802D sl Instruction Manual (BA), 05/2005 Edition
6FC5 397-0CP10-1BA0
4.1.5 PROFIBUS DP interface
The CNC operator panel (PCU) communicates with the I/O modules via the PROFIBUS DP
interface.
The PROFIBUS DP protocol is used for the communication.
The baud rate of the PROFIBUS DP interface is 12 Mbit/s; the baud rate cannot be chan-
ged. Converters for optical fiber cable (OLMs, OLPs) or repeaters are not permitted.
The operator panel CNC provides master functionality.
Female connector pin assignment
Designation: X6 (DP)
Type: 9-pin D-Sub socket connector
Table 4-3 Pin assignment of female connector X6
Schematic view of the female
connector, mounting position
and labeling
Pin Name Description
DP
1 not
assigned
–
X6
2 M24 24 V reference potential (teleservice)
1
3 B Data input/output (RS485)
4 RTS Transmission request
9
5 M5 5 V reference potential
6 P5 5 V power supply 90 mA, short-circuit-proof
7 P24 24 V power supply (teleservice) 150 mA, short-
circuit-proof, not isolated
8 A Data input/output (RS485)
9 not
assigned
–
The CNC operator panel has a fixed PROFIBUS DP address.
The addresses of the PP 72/48 I/O modules must be set using the DIL switches S1
(see Section 7.12).
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