
840
24 BISTABLE FUNCTION BLOCKS
24.1 Bistable Function Blocks (Set Priority)
24
BISTABLE FUNCTION BLOCKS
24.1
Bistable Function Blocks (Set Priority)
SR(_E)
These function blocks judge two input values and output 1 (TRUE) or 0 (FALSE).
Setting data
■
Descriptions, types, and data types
Processing details
■
Operation processing
• When (s1) turns ON, (d) is set. If (s2) is turned ON when (s1) is OFF, (d) is reset.
• If (s2) is turned ON when (s1) is ON, (d) is not reset.
■
Operation result
1.
Function block without EN/ENO
The operation processing is executed. The operation output value is output from (d).
• Timing chart
Ladder diagram
Structured text
[Without EN/ENO]
[With EN/ENO]
[Without EN/ENO]
SR_1(S1:=s1,R:=s2,Q1:=d);
[With EN/ENO]
SR_E_1(EN:=EN,ENO:=ENO S1:=s1,R:=s2,Q1:=d);
Argument
Description
Type
Data type
EN
Execution condition (TRUE: Execution, FALSE: Stop)
Input variable
BOOL
s1
Set instruction
Input variable
BOOL
s2
Reset instruction
Input variable
BOOL
ENO
Output status (TRUE: Normal, FALSE: Abnormal)
Output variable
BOOL
d
Output
Output variable
BOOL
s1
d
s2
EN
ENO
d
s1
s2
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
ON
ON
ON
(s1)
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
ON
(s2)
(d)
When (s1) is on,
(d) is on.
When (s1) is off and (s2) is on,
(d) is off.
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......