Table of contents
4
Memory concept ..................................................................................................................................... 4-1
4.1
4.1.1
CPU memory areas.................................................................................................................... 4-1
4.1.2
4.1.3
4.1.4
4.1.5
4.2
Memory functions..................................................................................................................... 4-10
4.2.1
General: Memory functions ...................................................................................................... 4-10
4.2.2
4.2.3
Handling with modules ............................................................................................................. 4-11
4.2.3.1
4.2.3.2
Uploading blocks...................................................................................................................... 4-11
4.2.3.3
Deleting blocks......................................................................................................................... 4-12
4.2.3.4
Compressing blocks................................................................................................................. 4-12
4.2.3.5
Promming (RAM to ROM) ........................................................................................................ 4-12
4.2.4
4.2.5
Recipes .................................................................................................................................... 4-14
4.2.6
Measured value log files .......................................................................................................... 4-16
4.2.7
5
Cycle and reaction times......................................................................................................................... 5-1
5.1
Overview .................................................................................................................................... 5-1
5.2
Cycle time................................................................................................................................... 5-1
5.2.1
Overview .................................................................................................................................... 5-1
5.2.2
Calculating the cycle time .......................................................................................................... 5-4
5.2.3
Different cycle times................................................................................................................... 5-7
5.2.4
Communication load .................................................................................................................. 5-8
5.2.5
5.2.6
5.3
Response time ......................................................................................................................... 5-13
5.3.1
Overview .................................................................................................................................. 5-13
5.3.2
Shortest response time ............................................................................................................ 5-15
5.3.3
Longest response time............................................................................................................. 5-16
5.3.4
5.4
5.5
Interrupt response time ............................................................................................................ 5-20
5.5.1
Overview .................................................................................................................................. 5-20
5.5.2
5.6
Sample calculations ................................................................................................................. 5-22
5.6.1
5.6.2
5.6.3
6
Technical data of CPU 31xC................................................................................................................... 6-1
6.1
General technical data ............................................................................................................... 6-1
6.1.1
Dimensions of CPU 31xC .......................................................................................................... 6-1
6.1.2
6.2
CPU 312C .................................................................................................................................. 6-3
6.3
CPU 313C .................................................................................................................................. 6-8
6.4
x
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06