Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 130)

Technical data of CPU 31xC
6.4 CPU 313C-2 PtP and CPU 313C-2 DP
CPU 31xC and CPU 31x, Technical data
6-20
Manual, Edition 08/2004, A5E00105475-05
Technical data
CPU 313C-2 PtP CPU 313C-2 DP
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 CPU 313C-2 PtP CPU 313C-2 DP
Mounting dimensions W x H x D (mm) 120 x 125 x 130
Weight approx. 566 g
Voltages and currents CPU 313C-2 PtP CPU 313C-2 DP
Power supply (rated value) 24 VDC
• Permitted range 20.4 V to 28.8 V
Current consumption (no-load operation) Typically 100 mA
Inrush current
Typically 11 A
Power consumption (nominal value) 700 mA 900 mA
I 2 t 0.7 A 2 s
External fusing of power supply lines
(recommended)
LS switch type B: min. 4 A, type C: min. 2 A
Power loss Typically 10 W
Reference
In Chapter Specifications of the integrated I/O are found
• under Digital inputs of CPUs 31xC and Digital outputs of CPUs 31xC the technical data of
integrated I/Os.
• the block diagrams of the integrated I/Os under Arrangement and usage of integrated
I/Os.