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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
24 Others – FNC181 to FNC189
24.1 FNC182 – COMRD / Read Device Comment Data
2) The final device of is as follows depending on the ON/OFF status of M8091.
Related device
Caution
• Specify a device number in device for which a comment is registered in the PLC.
If a comment is not registered for the device , "20H" (space) is stored in and later for the number of
characters in the comment (16 half-width characters).
Errors
An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is stored in
D8067.
• When a comment is not registered for the device (error code: K6706)
• When the range of points used from for the comment exceeds the corresponding device range
(error code: K6706)
Program example
In the program shown below, the comment "Target Line A" registered to D100 is stored in ASCII code in D0 and later
when X010 is set to ON. And since M8091 is OFF "0000H" is written to the device following the last character.
ON/OFF status Contents of processing
M8091 = OFF When M8091 is OFF, "0000H" is written to in the device following the final character.
M8091 = ON When M8091 is ON, the device following the final character does not change.
Device Name Description
M8091 Output character number selector signal Refer to the above explanation.
D
S
S
D
S
D
X010
FNC182
COMRDP
D100 D0
RST M8091
END
D0
D1
D2
b15 b8 b7 b0
D3
Comment of D100
Target Line A
D4
D5
D6
74H(f)
61H(a)
67H(g)
54H(T)
72H(r)
65H(e)
4CH(L) 20H(space)
20H(space)
6EH(n)
20H(space)
69H(i)
65H(e)
41H(A)
D7
D8
20H(space)20H(space)
0000H