Mitsubishi Electric MELSEC FX Series - 3.4 EN and ENO

3 Configuration of Instruction
3.4 EN and ENO
53
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
3.4 EN and ENO
The execution control is available for an instruction with "EN".
• EN is for entering an execution condition of instruction.
• ENO is for outputting the state of execution of instruction.
• The table below shows the relationships between the EN and ENO and the contents of operation results.
EN ENO Operation results
TRUE(Executing operation)
TRUE(Without operation error) Operation output value
FALSE(With operation error) Undefined value
FALSE(Stopping operation) FALSE Undefined value
MOV
EN
s
ENO
d
D2D0
X000
In the instruction above,
instruction MOV is executed
only when X000 is TRUE.
M1