User Defined Functions (Cfc) - Siemens SIPROTEC 7SA522 Manual

4.21

User Defined Functions (CFC)

Function Modules and Possible Assignments to Task Levels
Function Module Explanation
ABSVALUE Magnitude calculation
ADD Addition
AND AND - Gate
BOOL_TO_CO Boolean to Control
(conversion)
BOOL_TO_DL Boolean to Double Point
(conversion)
BOOL_TO_IC Bool to internal SI,
conversion
BUILD_DI Create Double Point
annunciation
CMD_CHAIN Switching sequence
CMD_INF Command information
CONNECT Connection
D_FF D- Flipflop
D_FF_MEMO Status memory for restart
DI_TO_BOOL Double Point to Boolean
(conversion)
DIV Division
DM_DECODE Decode double point
DYN_OR Dynamic or
LIVE_ZERO Live-zero, non linear Curve
LONG_TIMER Timer (max.1193h)
LOOP Feedback loop
LOWER_SETPOINT Lower limit
MUL Multiplication
NAND NAND - Gate
NEG Negator
NOR NOR - Gate
OR OR - Gate
RS_FF RS- Flipflop
SQUARE_ROOT Root extractor
SR_FF SR- Flipflop
SUB Substraction
TIMER Timer
UPPER_SETPOINT Upper limit
X_OR XOR - Gate
ZERO_POINT Zero supression
7SA522 Manual
C53000-G1176-C155-3
Task Level
MW_BEARB PLC1_BEARB PLC_BEARB
X -
X X
X X
- X
- X
- X
- X
- X
- -
- X
- X
X X
- X
X X
X X
X X
X -
X X
X X
X -
X X
X X
X X
X X
X X
- X
X X
- X
X X
- X
X -
X X
X -
4.21 User Defined Functions (CFC)
SFS_BEARB
-
X
X
X
X
X
X
X
-
X
X
X
X
X
X
X
-
X
X
-
X
X
X
X
X
X
X
X
X
X
-
X
-
-
X
X
-
X
X
X
-
X
X
X
X
X
X
X
X
-
X
X
-
X
X
X
X
X
X
X
X
X
-
-
X
-
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