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When changing device points, the following refresh ranges must not exceed the corresponding
●
device ranges.
• Refresh range of network module
• Auto refresh range of intelligent function module
If device points are set exceeding the corresponding device range, data may be written to any other device or an error
may occur.
The total number of points for the internal relay, latch relay, annunciator, edge relay, link relay,
●
link special relay, step relay, timer, retentive timer, or counter must be set within the following
range.
Serial number (first five digits) of the Universal model QCPU is "10041" or earlier
•
Serial number (first five digits) of the Universal model QCPU is "10042" or later
•
words for internal user devices)
(3) Memory size
Set the internal user devices so that the following condition is satisfied.
(Bit device size)
(a) Bit device
For bit devices, 16 points are calculated as one word
(b) Timer (T), retentive timer (ST), and counter (C)
For the timer (T), retentive timer (ST), and counter (C), 16 points are calculated as 18 words.
(c) Word device
For the data register (D), link register (W), and link special register (SW), 16 points are calculated as
16 words.
If the points for the
previous parameters can no longer be used.
• Sequence program files
• SFC program files
• ST program files
In such a case, read the above program files out from the CPU module to GX Developer, and then write them back again to
the CPU module.
9 - 4
(Timer, retentive timer, and counter sizes)
+
(Bit device size) =
(Timer, retentive timer, or counter size) =
(Word device size) =
internal user devices have been changed, the following files created with the
(Word device size)
+
.
(X+Y+M+L+B+F+SB+V+S)
16
(T+ST+C)
16
(D+W+SW)
16 Words
16
: Up to 64K points
: Not limited (Up to 29
29K words
Words
18 Words
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