Siemens CPU 313C User Manual

CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
5-1
Cycle and reaction times
5
5.1 5.1 Overview
Overview
This section contains detailed information about the following topics:
• Cycle time
• Reaction time
• Interrupt response time
• Sample calculations
Reference: Cycle time
You can view the cycle time of your user program on the PG. For further information, refer to
the
STEP 7 Online Help , or to the Configuring Hardware and Connections in STEP 7 Manual
Reference: Execution time
can be found in the S7-300 Instruction List for CPUs 31xC and 31x . This tabular list contains
the execution times for all
• STEP 7 instructions the relevant CPU can execute,
• the SFCs / SFBs integrated in the CPUs,
• the IEC functions which can be called in STEP 7.
5.2 5.2 Cycle time
5.2.1 Overview
Introduction
This section explains what we mean by the term "cycle time", what it consists of, and how
you can calculate it.

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