Sr ff – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual
Page 110
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