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