Set Dominant Bistable; Reset Dominant Bistable - Siemens SIMATIC S7-200 System Manual

Set Dominant Bistable

L
L
A
A
D
S1
D
F
B
R
D
221 222 224
Inputs/Outputs
S1, R (LAD) Power Flow
S1, R (FBD) I, Q, M, SM, T, C,V, S, Power Flow
OUT (LAD) Power Flow
OUT (FBD) I, Q, M, SM,T, C, V, S, L, Power Flow
xxxx I, Q, M, V, S

Reset Dominant Bistable

L
A
D
S
F
R1
B
D
221 222 224 226
Inputs/Outputs
S, R1 (LAD) Power Flow
S, R1 (FBD) I, Q, M, SM, T, C, V, S, L, Power Flow
OUT (LAD) Power Flow
OUT (FBD) I, Q, M, SM, T, C,V, S, L, Power Flow
xxxx I, Q, M, V, S
S7-200 Programmable Controller System Manual
A5E00066097-02
The Set Dominant Bistable is a latch where the set
dominates. If the set (S1) and reset (R) signals are both
xxxx
SR
true, the output (OUT) will be true.
OUT
The xxxx function block parameter specifies the Boolean
parameter that is set or reset. The optional output
reflects the signal state of the xxxx parameter.
226
Operands
The Reset Dominant Bistable is a latch where the reset
xxxx
dominates. If the set (S) and reset (R1) signals are both
RS
true, the output (OUT) will be false.
OUT
The xxxx function block parameter specifies the Boolean
parameter that is set or reset. The optional output
reflects the signal state of the xxxx parameter.
Operands
IEC 1131-3 Instructions
Data Types
BOOL
BOOL
BOOL
BOOL
BOOL
Data Types
BOOL
BOOL
BOOL
BOOL
BOOL
10-7