Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 159)

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-49
Technical data
Table 6-13 Technical data of digital outputs
Technical data
CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Module-specific data CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Number of outputs 6 16 16 16
2 4 4 4 • Of those are fast outputs
Caution:
You cannot connect the high-speed outputs of your CPU in parallel.
Cable length
• Unshielded Max. 600 m
• Shielded Max. 1000 m
Voltage, currents, potentials CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Rated load voltage L+ 24 VDC
• Polarity reversal protection No
Total current of outputs (per group)
Max. 2.0 A
Max. 3,0 A Max. 3,0 A Max. 3,0 A
• Horizontal assembly
–
up to 104 °F
– up to 60 °C
Max. 1,5 A Max. 2.0 A Max. 2.0 A Max. 2.0 A
• Vertical assembly
–
up to 104 °F Max. 1,5 A Max. 2.0 A Max. 2.0 A Max. 2.0 A
Electrical isolation
• Between channels and the backplane bus Yes
No Yes Yes Yes • Between the channels
–
In groups of – 8 8 8
Permitted potential difference
• Between different circuits 75 VDC / 60 VAC
Insulation test voltage 500 VDC
Current consumption
• with load voltage L+ Max. 50 mA Max. 100 mA Max. 100 mA Max. 100 mA
Status, interrupts, diagnostics CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Status display green LED per channel
Interrupts • no interrupts when operated as standard I/O
• For using technological functions, please refer to the Technological
Functions Manual.
Diagnostics functions • no diagnostics when operated as standard I/O
• For using technological functions, please refer to the Technological
Functions Manual.