Siemens Siprotec 7UM611 Manual page 342

4 Technical Data
Group Switchover of the Function Parameters
342
Function Modules and Possible Allocation to Task Levels
Function Module
LOOP Signal Feedback
LOWER_SETPOINT Limit value undershoot
MUL Multiplication
NAND NAND Gate
NEG Negator
NOR NORNOR Gate
OR OR Gate
RS_FF RS–Flipflop
SQUARE_ROOT Square Root Extractor
SR_FF SR–Flipflop
SUB Subtraction
TIMER Universal Timer
UPPER_SETPOINT Upper Limit
X_OR XOR Gate
ZERO_POINT Zero Suppression
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 (interlocking)
The following table shows the number of required TICKS for the individual elements of a CFC
chart. A generic module is one where the number of inputs can be changed; typical are the
logic functions AND, NAND, OR, NOR.
Processing times in TICKS required by the individual elements
Individual Element
Module, basic requirement
each input from the 3rd additional input for generic modules
Connection to an input margin
Combination with output signal border
additionally for each chart
Number of Available Setting Groups
Switchover can be performed
Explanation
MW_
BEARB
—
X
X
—
—
—
—
—
X
—
X
—
X
—
X
Sequence Level
2 (parameter group A and B)
using the keypad
®
DIGSI 4 using the operating interface
with protocol via system interface
Binary Input
Sequence Level
PLC1_ PLC1_ SFS_
BEARB BEARB 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
— — —
Limit in TICKS
2 500
250
130
2 100
Number of TICKS
5
1
6
7
1
7UM61 Manual
C53000-G1176-C127-3