Mitsubishi Electric MELSEC FX Series - 7.1.10 NEXT

7 Applied Instructions
7.1 Program Flow
139
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of Instruction
4
How to Read Explanation of Instructions
5
Basic Instruction
6
Step Ladder Instructions
7
Applied Instructions
8
Interrupt Function and Pulse Catch Function
A
Relationships between devices and addresses
7.1.10 NEXT
Outline
FOR instruction specifies the number of repetition of the loop between FOR and NEXT instructions.
1. Format and operation, execution form
2. Set data
3. Applicable devices
Function and operation explanation
The loop between FOR and NEXT instruction is repeated "n" times (which is specified by the input variable
(n)).
After the loop is repeated by the specified number of times, steps after NEXT instruction are executed.
Related instruction
NEXT instruction and FOR instruction are set as a pair in programming.
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
NEXT 16 bits Continuous NEXT(EN);
Variable Description Data type
Input
variable
EN Execution condition Always TRUE
Output
variable
ENO Execution state Bit
Operand
type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index Constant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
VZModifier K H E
""
P
- No target device is available.
NEXT
EN ENO
Repeated "n" times
FOR
EN
n
ENO
NEXT
EN ENO
n