29 COUNTER FUNCTION BLOCKS
29.2 Down Counter
1061
29
■
Operation result
1.
Function block without EN/ENO
The operation processing is executed. The operation output value is output from (d1) and (d2).
• Timing chart
2.
Function block with EN/ENO
The following table lists the execution conditions and operation results.
• Timing chart
Operation error
There is no operation error.
When 3 is specified in n
(1): When (s2) is on, (d2) is initialized.
(2): On the rising edge of (s1), (d2) counts down.
Execution condition
Operation result
EN
ENO
(d1), (d2)
TRUE (Executes operation)
TRUE
Operation output value
FALSE (Stops operation)
FALSE
Previous output value
When 3 is specified in n
(1): When EN and (s2) are on, (d2) is initialized.
(2): When EN is on at the rising edge of (s1), (d2) counts down.
OFF
OFF
ON
OFF
ON
(s1)
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
3
0
3
2
1
0
2
1
OFF
ON
ON
OFF
ON
(s2)
OFF
ON
OFF
(d1)
(d2)
(1)
(2)
OFF
ON
ON
EN
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
OFF
ON
(s1)
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
(s2)
OFF
ENO
3
0
2
1
0
-1
-2
-3
OFF
ON
(d1)
(d2)
(1)
(2)
ON
OFF
Содержание MELSEC iQ-F FX5
Страница 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Страница 2: ......
Страница 17: ...15 CONTENTS ...
Страница 24: ...22 MEMO ...
Страница 25: ...23 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW 2 PRECAUTIONS ON PROGRAMMING ...
Страница 126: ...124 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 132: ...130 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 140: ...138 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 191: ...7 BASIC INSTRUCTIONS 7 2 Arithmetic Operation Instructions 189 7 Operation error There is no operation error ...
Страница 202: ...200 7 BASIC INSTRUCTIONS 7 2 Arithmetic Operation Instructions Operation error There is no operation error ...
Страница 278: ...276 7 BASIC INSTRUCTIONS 7 4 Bit Processing Instructions Operation error There is no operation error ...
Страница 280: ...278 7 BASIC INSTRUCTIONS 7 4 Bit Processing Instructions Operation error There is no operation error ...
Страница 915: ...18 TYPE CONVERSION FUNCTIONS 18 13 Converting DWORD to WORD 913 18 Operation error There is no operation error ...
Страница 917: ...18 TYPE CONVERSION FUNCTIONS 18 14 Converting DWORD to INT 915 18 Operation error There is no operation error ...
Страница 932: ...930 18 TYPE CONVERSION FUNCTIONS 18 26 Converting DINT to WORD Operation error There is no operation error ...
Страница 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Страница 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Страница 1107: ...I 1105 MEMO ...
Страница 1111: ......