Siemens CPU 31 Series Technical Data Manual page 214

Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
Technical data
2nd interface
Type of interface
Physics
electrically isolated
Interface power supply (15 to 30 VDC)
Functionality
MPI
DP master
DP master
Point-to-point connection
DP master
Services
•
•
•
•
•
•
•
•
•
Transmission rate
Number of DP slaves
Address area
DP slave (except for DP slave at both DP interfaces)
Services
•
•
•
•
•
•
•
Transmission rates
Automatic baud rate search
Intermediate memory
Address areas
GSD file
3rd. interface
Type of interface
Physics
7-48
PG/OP communication
Routing
Global data communication
S7 basic communication
S7 communication
Constant bus cycle time
Isochronous mode
SYNC/FREEZE
DPV1
PG/OP communication
Routing
Global data communication
S7 basic communication
S7 communication
Direct data exchange
DPV1
Integrated RS485 interface
RS 485
Yes
Max. 200 mA
No
Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Up to 12 Mbaud
124
Max. 244 bytes
Yes
Yes (only if interface is active)
No
No
No
Yes
No
Up to 12 Mbps
Yes (only if interface is passive)
244 bytes I / 244 bytes O
Max. 32 with max. 32 bytes each
The latest GSD file is available at:
http://www.automation.siemens.com/csi/gsd
PROFINET
Ethernet
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06