Cycle and Response Times of the S7-400
9.1 Cycle time
S7-400 Automation System, CPU Specifications
9-2 Manual, 10/2006, 6ES7498-8AA04-8BA0
Parts of the Cycle Time
SCC (OS)
PII
PIQ
PIQ: Process Image of Outputs
PII: Process Image of Inputs
SCC: Scan cycle checkpoint
OS: Operating system
Time slice (1 ms each)
Time slice (1 ms)
User program
Cycle time
Operating system
User program
Communication
Figure 9-1 Parts and Composition of the Cycle Time
To Next Page
Loading...
