Standard Function Flocks - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

4.2

Standard Function Flocks

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