Standard Function Blocks - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

Instructions, standard functions/function blocks

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Standard Function Blocks

Bistable function blocks

Bistable function blocks (set priority)

Function block symbol

Judges two input values and outputs 1 (TRUE) or 0 (FALSE). (Set priority)

Bistable function blocks (reset priority)

Function block symbol

Judges two input values and outputs 1 (TRUE) or 0 (FALSE). (Reset priority)

Edge detection function blocks

Rising edge detector

Function block symbol

Detects the rising edge of a signal, and outputs a pulse signal.

Falling edge detector

Function block symbol

Detects the falling edge of a signal, and outputs a pulse signal.

Counter function blocks

Function block symbol

Counts up the number of times of rising of a signal.

Down counter

Function block symbol

Counts down the number of times of rising of a signal.

Up/Down counter

Function block symbol

Counts up/down the number of times of rising of a signal.

Counter function block

Function block symbol

COUNTER_FB_M

Counts up the number of times of rising of a signal from (s3) to (s2).

5 STANDARD FUNCTIONS/FUNCTION BLOCKS

5.2 Standard Function Blocks

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