Siemens S7-300 appendix Profinet IO

Technical data of CPU 31x 7.7 CPU 317-2 PN/DP

Technical data

Functionality
•	PROFINET	Yes
•	MPI	No
•	PROFIBUS DP	No
•	Point-to-point communication	No
Services
•	PG communication	Yes
•	OP communication	Yes
•	S7 communication	Yes (with loadable FBs)
	– Max. configurable interconnections	16
•	Routing	Yes
•	PROFINET IO	Yes
•	PROFINET CBA	Yes
PROFINET IO
Number of integrated PROFINET IO controllers		1
Number of connectable PROFINET IO devices		128
Max. user data consistency with PROFINET IO		256 bytes
Update Time		1 ms to 512 ms
		The minimum value is determined by the set
		communication portion for PROFINET IO, the
		number of IO devices and the amount of
		configured user data.
S7 protocol functions
•	PG functions	Yes
•	OP functions	Yes
• Open IE communication via TCP/IP		Yes
GSD file		The latest GSD file is available at:
		http://www.ad.siemens.de/support
		in the Product Support area
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

CPU 31xC and CPU 31x, Technical data	7-39
Manual, Edition 08/2004, A5E00105475-05