Extension/Compatibility

Overview

This part describes the elementary functions and elementary function blocks in the family Extension/Compatibility.

What Is in This Part?

This part contains the following chapters:

ADD_***_PL7 : Add a period
AKF_FL: Detection of any edge
AKF_TA: Switch off delay
AKF_TE: Switch-on delay
AKF_TI: Pulse
AKF_TS: Storing switch on delay
AKF_TV: Extended pulse
AKF_ZR: Decremental counter
AKF_ZV: Incremental counter
AKF_ZVR: Incremental/decremental counter
COMPARE: Comparing two integers
DATE_DINT_TO_STRING: Conversion of a date (DATE PL7) into a character string
DAY_OF_WEEK : Day of the week
DELTA_***: Difference between two dates
DT_ARINT_TO_STRING: Converting a PL7 date into a character string
END: Unconditional end of program
FIFO: First In/First Out stack register
FPULSOR: Generation of rectangular signals
FSTEP_PL7_DRUM : Forcing a drum to a step
FTOF: Deactivation timer
FTON: Activation timer
FTP: Pulse timer
GET_3X: Read %IW Words (3x-Register)
GET_4X: Read %MW Words (4x-Register)
GET_BIT: Reading bit
HIGH_INT: Extracting the most significant word of a double integer
IEC_BMDI: Block move
IEC_BMDI_M: Block move
LIFO: Last In/First Out stack register
LOW_INT: Extracting the least significant word of a double integer
MUX_DINTARR_125: Multiplexer for arrays of the data type DIntArr125
PL7_COUNTER : Counter/downcounter
PL7_DRUM : Drum
PL7_MONOSTABLE : Monostable
PL7_REGISTER_32 : 32 word memory register
PL7_REGISTER_255 : 255 word memory register
PL7 and Control Expert Timers Comparison
PL7_TOF : TOF type timer
PL7_TON : TON type timer
PL7_TP : TP type timer
PL7_3_TIMER : Conversion timer for % Ti’s of PL7
PUT_4X: Write 4x register
R_INT_WORD: Type conversion (REAL -> INT -> WORD) (R_INT_WORD: Type conversion (REAL -> INT -> WORD))
R_UINT_WORD: Type conversion (REAL -> UINT -> WORD) (R_UINT_WORD: Type conversion (REAL -> UINT -> WORD))
R2T_***: Register to table
READ_PCMCIA: Reading data in the memory card
ROR1_ARB: Right shift of one byte from a table of bytes
RRTC: Reading the system date
SCOUNT: Up/down counting with overshoot signaling
SET_BIT: Set bit
SET_PCMCIA: Initialization of the archiving zone
SHL_RBIT_***: Left shift on an integer or double integer
SHR_RBIT_***: Right shift on an integer or double integer
SHRZ_***: Right shift on an integer or double integer
SHRZ_RBIT_***: Right shift on an integer or double integer
SRCH: Search
STR_ROUND: Approximate value of a floating point number
SUB_***_PL7 : Subtract a period
SYSSTATE: System state
T2T: Table to table
TIME_DINT_TO_STRING: Conversion of a variable to DINT format
TOD_DINT_TO_STRING: Conversion of a variable to TOD format
TRANS_TIME: Conversion of a duration into DINT format
W_INT_REAL: Type conversion (WORD -> INT -> REAL) (W_INT_REAL: Type conversion (WORD -> INT -> REAL))
W_UINT_REAL: Type conversion (WORD -> UINT -> REAL) (W_UINT_REAL: Type conversion (WORD -> UINT -> REAL))
WRITE_PCMCIA: Writing data to the memory card
WRTC: Updating the system date