Siemens S7-300 appendix CPU 31xC and CPU 31x, Technical data

Technical data of CPU 31xC

6.6 Technical data of the integrated I/O

Technical data

			CPU 312C	CPU 313C	CPU 313C-2	CPU 314C-2
Data for the selection of an actuator for			CPU 312C	CPU 313C	CPU 313C-2	CPU 314C-2
standard DI
Output voltage
•	For signal "1"		Min. L+ (-0.8 V)
Output current
•	For signal "1"		0,5 A
	–	Rated value	5 mA to 600 mA
	–	Permitted range
• For signal "0" (residual current)			Max. 0.5 mA
Load impedance range			48 Ω to 4 kΩ
Lamp load			Max. 5 W
Parallel connection of 2 outputs
• for redundant load control			Possible
•	for performance increase		Not possible
Controlling of digital inputs			Possible
Switching frequency
•	under resistive load		Max. 100 Hz
• For inductive load to IEC 947-5, DC13			Max. 0.5 Hz
•	under lamp load		Max. 100 Hz
• fast outputs under resistive load			Max. 2.5 kHz
Inductive breaking voltage limited internally to			Typically (L+) - 48 V
Short-circuit protection of the output			Yes, electronic
•	Response threshold		Typically 1 A

6-50	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05