Siemens S7-300 appendix Technical data Integrated I/O, KHz see the Manual Technological Functions

Technical data of CPU 31xC 6.3 CPU 313C

Technical data

Integrated I/O

• 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
Integrated functions
Counters		3 channels (see the Manual Technological
		Functions)
Frequency counters		3 channels, max. 30 kHz (see the Manual
		Technological Functions)
Pulse outputs		3 channels for pulse width modulation, max. 2.5
		kHz (see the Manual Technological Functions)
Controlled positioning		No
Integrated "Controlling" SFB		PID controller (see the Manual Technological
		Functions)
Dimensions
Mounting dimensions W x H x D (mm)		120 x 125 x 130
Weight		660 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 150 mA
Inrush current		Typically 11 A
Power consumption (nominal value)		700 mA
I2t		0.7 A2s
External fusing of power supply lines		LS switch Type C min. 2 A,
(recommended)		LS switch Type B min. 4 A,
Power loss		Typically 14 W

Reference

In Chapter Specifications of the integrated I/O you can find

•the specifications of integrated I/O under Digital inputs of CPUs 31xC, Digital outputs of CPUs 31xC, Analog inputs of CPUs 31xC and Analog outputs of CPUs 31xC.

•the block diagrams of the integrated I/Os under Arrangement and usage of integrated I/Os.

CPU 31xC and CPU 31x, Technical data	6-13
Manual, Edition 08/2004, A5E00105475-05