Siemens S7-300 appendix Technical data CPU 314C-2 PtP CPU 314C-2 DP DP slave

Technical data of CPU 31xC

6.5 CPU 314C-2 PtP and CPU 314C-2 DP

Technical data

			CPU 314C-2 PtP	CPU 314C-2 DP
DP slave
Number of connections			–	12
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
•	Intermediate memory		–	244 bytes I / 244 bytes O
• Automatic baud rate search			–	Yes (only if interface is passive)
•	Address areas			Max. 32, with max. 32 bytes each
•	DPV1		–	No
GSD file			–	The latest GSD file is available at:
				http://www.ad.siemens.de/support
				in the Product Support area
Point-to-point communication
•	Transmission rates		38.4 kbps half duplex	–
			19.2 kbps full duplex
•	Cable length		Max. 1200 m	–
• User program can control the			Yes	–
	interface
• The interface can trigger a break or			Yes (message with break ID)	–
	an interrupt in the user program
•	Protocol driver		3964 (R); ASCII and RK512	–
Programming			CPU 314C-2 PtP	CPU 314C-2 DP
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
Integrated I/O			CPU 314C-2 PtP	CPU 314C-2 DP
• Default addresses of the integrated
	–	Digital inputs	124.0 to 126.7
	–	Digital outputs	124.0 to 125.7
	–	Analog inputs	752 to 761
	–	Analog outputs	752 to 755

6-26	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05