Sr ff – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual

Page 110

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Function Block Library

4–48

1336 FORCE — 5.9 August 1995

SR FF

BLOCK TYPE 22 decimal 16 hexadecimal

Set Reset FF

ID =

Exec =

Out 2

NODE 0

Set

NODE 1

Reset

NODE 3

Out 1

NODE 2

S

R

Out S

DEFINITION

A set/reset function block where:

Out 1 is false if Reset is true.

Out 1 is true if Reset is false and Set is true.

Out 2 is the inverse of Out 1.

INPUTS

Set — A logic input value

Reset — A logic input value.

OUTPUTS

Out 1 — A logic output value

Out 2 — A logic output value.

FUNCTION

Out 1 is Set or Reset.

PARAMETERS

DATA TYPE

LINKABLE

DEFAULT VALUE

RANGE

Set

Logic Input

Yes

False

True/False

Reset

Logic Input

Yes

False

True/False

Out 1

Logic Output

No

True/False

Out 2

Logic Output

No

True/False

EXAMPLES

EXAMPLE 1

EXAMPLE 2

EXAMPLE 3

EXAMPLE 4

Set

False

True

False

True

Reset

True

False

False

True

Out 1

False

True

(Last State)

False

Out 2

True

False

(Last State)

True

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