Siemens S7-300 Manual page 30

Processing and Output Update Time
The same time conditions are always applicable, irrespective of the number of
channels programmed.
Figure 9
Description of the Method of Functioning in Synchronous Operation
At time T
internally. Following internal processing time for each channel, the results are
written to each D/A converter.
Additional Information
You will find additional information about synchronous operation in the STEP 7
online Help, the ET 200M Distributed I/O System manual and in the Manual Clock
Synchronization.
30
D/A-Conversion and Internal Processing
CH3
CH2
CH1
CH0
1400ms
Calculation of the Processing Time and Output Update Time
– T , the module reads in the output data and saves the data
O WA
Product Information on the Manual S7-300 Module Specifications, Edition 11/2002
T
WA
Output Update
200ms
T
O
A5E00213444-02