Siemens CPU 313C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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You can mount an S7-300 either vertically or horizontally. The following ambient air
temperatures are permitted:
• Vertical installation: from 0 °C to 40 °C
• Horizontal installation: from 0 °C to 60 °C.
Always install the CPU and power supply on the left or at the bottom.
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Figure 5-1 Horizontal and vertical installation
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 Vertical installation of an S7-300
 Horizontal installation of an S7-300
 Rail
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• the selection and dimensions of rails (racks) can be found in Chapter 0RGXOH
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• connections and interfaces (IMs) are found in Chapter $UUDQJLQJPRGXOHVRQ
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• the most important rules on S7-300 operation are found in the Appendix
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Siemens CPU 313C Specifications

General

MPI Interface	Yes
Number of digital inputs	24
Number of digital outputs	16
Number of analog inputs	4
Number of analog outputs	2
Supply voltage	24 V DC
High-speed counters	Yes
Bit Operations Execution Time	0.1 µs
Word Operations Execution Time	0.2 µs
Power Consumption	5 W
Dimensions (W x H x D)	40 x 125 x 130 mm
Operating Temperature	0 to 60 °C
Communication Interfaces	MPI
Programming Languages	LAD, FBD, STL
Product type designation	CPU 313C
Weight	490 g