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).
■Bistable function block (reset-dominant)
Function block symbol Processing details
RS Discriminates between two input values, and outputs1 (TRUE) or 0 (FALSE).
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.
■Detecting a falling edge
Function block symbol Processing details
F_TRIG Detects a signal falling edge, and outputs the pulse signal.
Timer function blocks
■Pulse timer
Function block symbol Processing details
TP Keeps the signal on for the specified period of time.
■On delay timer
Function block symbol Processing details
TON Turns on a signal after the specified period of time.
■Off delay timer
Function block symbol Processing details
TOF Turns off a signal after the specified period of time.
■Timer function block
Function block symbol Processing details
TIMER_HIGH_FB_M Starts counting a timer when the execution condition is satisfied, and continues counting until the
timer reaches the set value.
TIMER_LOW_FB_M
TIMER_CONT_FB_M
TIMER_CONTHFB_M
4 STANDARD FUNCTIONS/FUNCTION BLOCKS
4.2 Standard Function Flocks
Reference
Page 192 SR
Reference
Page 193 RS 4
Reference
Page 195 R_TRIG
Reference
Page 196 F_TRIG
Reference
Page 197 TP
Reference
Page 199 TON
Reference
Page 201 TOF
Reference
Page 203
TIMER__M
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