Mitsubishi Electric MELSEC iQ-R Series - Standard Function Flocks

4 STANDARD FUNCTIONS/FUNCTION BLOCKS
4.2 Standard Function Flocks
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4.2 Standard Function Flocks
Bistable function blocks
■Bistable function block (set-dominant)
■Bistable function block (reset-dominant)
Edge detection function blocks
■Detecting a rising edge
■Detecting a falling edge
Counter function blocks
■Up counter
■Down counter
■Up/down counter
Function block symbol Processing details Reference
SR Discriminates between two input values, and outputs1 (TRUE) or 0 (FALSE). Page 1972 SR(_E)
SR_E
Function block symbol Processing details Reference
RS Discriminates between two input values, and outputs1 (TRUE) or 0 (FALSE). Page 1974 RS(_E)
RS_E
Function block symbol Processing details Reference
R_TRIG Detects a signal rising edge, and outputs the pulse signal. Page 1976
R_TRIG(_E)
R_TRIG_E
Function block symbol Processing details Reference
F_TRIG Detects a signal falling edge, and outputs the pulse signal. Page 1978
F_TRIG(_E)
F_TRIG_E
Function block symbol Processing details Reference
CTU Counts up the number of rising edges of a signal. Page 1980 CTU(_E)
CTU_E
Function block symbol Processing details Reference
CTD Counts down the number of rising edges of a signal. Page 1982 CTD(_E)
CTD_E
Function block symbol Processing details Reference
CTUD Counts up or down the number of rising edges of a signal. Page 1984 CTUD(_E)
CTUD_E