Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 User Manual
Page 198

Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical data
7-32
Manual, Edition 08/2004, A5E00105475-05
Technical data
DP slave
(except for DP slave at both interfaces)
Services
•
PG/OP communication
Yes
•
Routing
Yes (only if interface is active)
•
Global data communication
No
•
S7 basic communication
No
•
S7 communication
No
•
Direct data exchange
Yes
•
Transmission rates
Up to 12 Mbps
•
Automatic baud rate search
Yes (only if interface is passive)
•
Intermediate memory
244 bytes I / 244 bytes O
•
Address areas
max. 32 with max. 32 bytes each
•
DPV1
No
GSD file
The latest GSD file is available at:
Programming
Programming language
LAD/FBD/STL
Available instructions
See the Instruction List
Nesting levels
8
System functions (SFCs)
See the Instruction List
System function blocks (SFBs)
See the Instruction List
User program security
Yes
Dimensions
Mounting dimensions W x H x D (mm)
80 x 125 x 130
Weight
460 g
Voltages and currents
Power supply (rated value)
24 VDC
•
Permitted range
20.4 V to 28.8 V
Current consumption (no-load operation)
Typically 100 mA
Inrush current
Typically 2.5 A
I
2
t
1 A
2
s
External fusing of power supply lines
(recommended)
min. 2 A
Power loss
Typically 4 W