Mitsubishi MELSEC-A series Programming Manual

7. APPLICATION INSTRUCTIONS
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MELSEC-A
(3) For ASCII characters which can be displayed, refer to (3) in the section of the
LEDC instruction.
(4) For the conversion of alphanumeric characters into ASCII data in a sequence
program, use the ASC instruction.
LEDC
(1) Displays the comment (15 characters) of device specified at (S) at the LED
indicator on the front of CPU.
(2) When the device specified at (S) is not annotated with a comment or when it is
specified outside the comment range, the LEDC instruction results as follows.
Specification of (S) Operation of LED
with comment
Comment of device is displayed at LED
indicator
Inside comment
range
specification
Without comment Display of LED indicator is cleared.
Outside comment range specification
No Processing (Display of LED indicator
does not change.)
(3) If the comment contains characters which cannot be displayed on the LED
indicator, display cannot be done correctly. Characters which can be displayed
are as follows.
• Numerals :0to9
• Alphabets :A to Z (capitals)
• Special symbols :<, >, =, *, /, ’, +, -
Execution Conditions
Display command OFF
LED
LEDC
Executed
only once
ON
Executed
only once

Mitsubishi MELSEC-A series Specifications

General

Brand	Mitsubishi
Model	MELSEC-A series
Category	Controller
Language	English