Siemens S7-300 appendix Technical data DP slave, GSD file

Technical data of CPU 31x 7.4 CPU 315-2 DP

Technical data

DP slave
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:
		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)		40 x 125 x 130
Weight		290 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 60 mA
Inrush current		Typically 2.5 A
Power consumption (nominal value)		0.8 A
I2t		0.5 A2s
External fusing of power supply lines		min. 2 A
(recommended)
Power loss		Typically 2,5 W

7-18	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05