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MELSEC-Q
10 DEVICES
(b) For timer (T) retentive timer (ST), and Counter (C):
For the timer, retentive timer, and counter, 16 points are calculated as 18
words.
(Timer, retentive, counter capacity) =
(T, ST, C total number of points)
16
18 (Word
(c) For word devices:
For data registers (D) and link registers (W), 16 points are calculated as 16
words.
(Word device capacity) =
(D, W total number of points)
16
16 (Word)
POINT
(1) When an internal user device's "number of usable points" setting is changed,
the following files which were created under the previous setting cannot be
used as they are.
• The sequence program
• The SFC program
After changing the setting, the sequence program and SFC program must be
read from the High Performance model QCPU to GX Developer, and then they
must be written back to the High Performance model QCPU again.
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