Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 123)

Technical data of CPU 31xC
6.3 CPU 313C
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-13
Technical data
Integrated I/O
•
Default addresses of the integrated
–
Digital inputs
– Digital outputs
– Analog inputs
– Analog outputs
124.0 to 126.7
124.0 to 125.7
752 to 761
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
I 2 t 0.7 A 2 s
External fusing of power supply lines
(recommended)
LS switch Type C min. 2 A,
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.