Foundation Logic View Configuration Manual page 6

DF65 - LogicView Configuration Manual
Chapter 2 - Function Blocks ....................................................................................................... 2.1
Introduction ......................................................................................................................................................... 2.1
EN Input and ENO Output ................................................................................................................................... 2.1
Available Function blocks in alphabetic order .................................................................................................. 2.2
Function Blocks Listed by Functional Groups .................................................................................................. 2.3
Time and Pulse Related Functions..................................................................................................................... 2.4
Pulse Accumulator (ACC) .......................................................................................................................................................................................... 2.4
Pulse Accumulator (ACC_N)..................................................................................................................................................................................... 2.5
Pulse Counter Down (CTD)........................................................................................................................................................................................ 2.7
Pulse Counter Up (CTU) ............................................................................................................................................................................................ 2.8
Pulse Counter Up (CTU1) .......................................................................................................................................................................................... 2.9
Real Time Alarm (RTA) ............................................................................................................................................................................................2.10
Timer Off-Delay (TOF)..............................................................................................................................................................................................2.11
Timer Off-Delay (TOF1)............................................................................................................................................................................................2.12
Timer On-Delay (TON) .............................................................................................................................................................................................2.12
Timer On-Delay (TON1) ...........................................................................................................................................................................................2.14
Timer Pulse (TP).......................................................................................................................................................................................................2.15
Timer Pulse (TP1)....................................................................................................................................................................................................2.16
Data Manipulation Functions............................................................................................................................ 2.17
Byte to Bits Conversion (BTB) .................................................................................................................................................................................2.17
BCD to Integer Conversion (BTI) .............................................................................................................................................................................2.18
First In First Out (FIFO) ..........................................................................................................................................................................................2.19
Integer Constants (ICT) ..........................................................................................................................................................................................2.22
Integer to BCD Conversion (ITB) ...........................................................................................................................................................................2.23
Integer to Real Conversion (ITR) ...........................................................................................................................................................................2.24
Multiplexer (MUX) .....................................................................................................................................................................................................2.25
Bitwise Not (NOT) .....................................................................................................................................................................................................2.26
Output Binary Selection (OSEL) ..............................................................................................................................................................................2.27
Real Constants (RCT) ............................................................................................................................................................................................2.28
Real to Integer Conversion (RTI) .............................................................................................................................................................................2.29
Binary Selection (SEL) .............................................................................................................................................................................................2.30
Truncate (TRC) .........................................................................................................................................................................................................2.31
Bit Wise Logic (BWL)................................................................................................................................................................................................2.32
Mathematical Functions.................................................................................................................................... 2.34
Absolute Value (ABS).............................................................................................................................................................................................2.34
Addition (ADD) ..........................................................................................................................................................................................................2.35
Division (DIV) ............................................................................................................................................................................................................2.36
Modulo (MOD) ..........................................................................................................................................................................................................2.37
Multiplication (MUL) ................................................................................................................................................................................................2.38
Square Root (SQR) ..................................................................................................................................................................................................2.39
Subtraction (SUB)....................................................................................................................................................................................................2.40
Comparison Functions ..................................................................................................................................... 2.41
Equality (EQ).............................................................................................................................................................................................................2.41
Decreasing Monotonic Sequence (GE) ...................................................................................................................................................................2.42
Decreasing Sequence (GT)......................................................................................................................................................................................2.43
Increasing Monotonic Sequence (LE)....................................................................................................................................................................2.44
Limiter (LMT).............................................................................................................................................................................................................2.45
Increasing Sequence (LT) ........................................................................................................................................................................................2.46
Maximum (MAX) .....................................................................................................................................................................................................2.47
Minimum (MIN) .........................................................................................................................................................................................................2.48
Inequality (NE) ........................................................................................................................................................................................................2.49
Process Control Functions............................................................................................................................... 2.50
Xlim Cross Limit and Rate-Of-Change (XLIM) ........................................................................................................................................................2.50
Totalization (TOT).....................................................................................................................................................................................................2.52
Sample Hold with Up and Down (SMPL).................................................................................................................................................................2.54
Automatic Up and Down Ramp (Aramp) .................................................................................................................................................................2.54
Linearization (LIN) ....................................................................................................................................................................................................2.56
Multivariable Equations (Math1)...............................................................................................................................................................................2.57
Equation 1 - Relative Humidity ................................................................................................................................................................................2.57
Equation 2 - API........................................................................................................................................................................................................2.58
Equation 3 - Signal Processing ................................................................................................................................................................................2.60
PID Controller (PID)..................................................................................................................................................................................................2.62
Control Loop with local set point and A/M station ...................................................................................................................................................2.65
System Status (Status).............................................................................................................................................................................................2.66
Control Loop with local set point, A/M station with safety value when the DF57 status is "bad"...........................................................................2.68
Control Loop with local set point, A/M station and status indication of DF57 module. ..........................................................................................2.69
Motor starting with TURN ON and TURN OFF commands and safety contacts including the status of the digital input module........................2.70
Step Control (STP) ..................................................................................................................................................................................................2.71
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