Digital Outputs - Siemens CPU 31 Series Technical Data Manual

6.6.7

Digital outputs

Introduction
This chapter contains the specifications for the digital outputs of CPUs 31xC.
The table includes the following CPUs:
• under CPU 313C-2, the CPU 313C-2 DP and CPU 313C-2 PtP
• under CPU 314C-2, the CPU 314C-2 DP and CPU 314C-2 PtP
Fast digital outputs
Technological functions use fast digital outputs.
Technical data
Table 6-13 Technical data of digital outputs
Technical data
Module-specific data
Number of outputs
Of those are fast outputs
•
Cable length
Unshielded
•
Shielded
•
Voltage, currents, potentials
Rated load voltage L+
Polarity reversal protection
•
Total current of outputs (per group)
Horizontal assembly
•
Up to 40° C
–
up to 60 °C
–
Vertical assembly
•
Up to 40° C
–
Electrical isolation
Between channels and the backplane bus
•
Between the channels
•
In groups of
–
Permitted potential difference
Between different circuits
•
Insulation test voltage
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
CPU 312C CPU 313C
CPU 312C CPU 313C
6 16
2 4
Caution:
You cannot connect the high-speed outputs of your CPU in parallel.
Max. 600 m
Max. 1000 m
CPU 312C CPU 313C
24 VDC
No
Max. 2,0 A Max. 3,0 A
Max. 1,5 A Max. 2,0 A
Max. 1,5 A Max. 2,0 A
Yes
No Yes
– 8
75 VDC / 60 VAC
500 VDC
Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 313C-2 CPU 314C-2
CPU 313C-2 CPU 314C-2
16 16
4 4
CPU 313C-2 CPU 314C-2
Max. 3,0 A Max. 3,0 A
Max. 2,0 A Max. 2,0 A
Max. 2,0 A Max. 2,0 A
Yes Yes
8 8
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