Mitsubishi FX-20P-E, Operation Manual

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FX-20P-E Handy programming panel Read 4
4-5
4.4 Read by pointer
• Four lines are read and displayed from the specified label.
• If the specified label is not found, the message "NOT FOUND" is displayed. Program lines
after the END instruction are not read.
• Read by pointer reads interrupt pointers and labels. Pointers specified as operands in
application instructions are not searched.
GO
Basic operation
P
Read the program
step by step.
Search again
I
Specify the pointer
No.
Read
function
• Pointer (P)
Number in the CJ or CALL instruction which specifies a jump destination label No.
• Label (P)
Number of a quick reference title indicating the head of a jump destination specified
by the pointer No.
• Interrupt pointer (I)
Added at the top of an interrupt program. At the end of an interrupt program, "IRET
(interrupt return instruction)" is added.