Siemens siprotec 7SD5 User Manual page 573

Maximum Number of TICKS in the Task Levels
MW_BEARB (Measured Value Processing)
PLC1_BEARB (Slow PLC Processing)
PLC_BEARB (Fast PLC Processing)
SFS_BEARB (switchgear interlocking)
1)
When the sum of TICKS of all blocks exceeds the limits before-mentioned, an error message is output by CFC.
Processing Times in TICKS required by the Individual Elements
Block, basic requirement
Each input more than 3 inputs for generic modules
Connection to an input signal
Connection to an output signal
Additional for each chart
Operating sequence module
Flipflop
Loop module
Decoder
Dynamic OR
Addition
Subtraction
Multiplication
Division
Square root
7SD5 Manual
C53000-G1176-C169-1
Task Level
Individual Element
CMD_CHAIN
D_FF_MEMO
LOOP
DM_DECODE
DYN_OR
ADD
SUB
MUL
DIV
SQUARE_ROOT
4.23 User Defined Functions (CFC)
Limit in TICKS
10 000
1 900
200
10 000
Number of TICKS
5
1
6
7
1
34
6
8
8
6
26
26
26
54
83
1)
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