Functions (FC) and Data Blocks
105
S7-400 Instruction List
A5E00267845-01
Functions (FC) and Data Blocks
The following tables list the quantities, numbers and maximum sizes of the functions and data blocks you can create for the various
S7-400 CPUs.
Functions CPU 412-1 CPU 412-2 CPU 414 CPU 416 CPU 417
Quantity 256 256 2048 2048 6144
Permissible numbers 0 to 255 0 to 255 0 to 2047 0 to 2047 0 to 6143
Maximum size of a function (code
required for execution)
64 Kbytes 64 Kbytes 64 Kbytes 64 Kbytes 64 Kbytes
Data Blocks CPU 412-1 CPU 412-2 CPU 414 CPU 416 CPU 417
Quantity 511 511 4095 4095 8191
Permissible numbers 1 to 511 1 to 511 1 to 4095 1 to 4095 1 to 8191
Maximum size of a data block
(number of data bytes)
64 Kbytes 64 Kbytes 64 Kbytes 64 Kbytes 64 Kbytes
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