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CHAPTER8 PARAMETERS
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8.1 PLC Parameters
8.1.1 Basic model QCPU
(5) Device
Number of points and latch range are set for each device.
*1: When changing the device points, new setting must not exceed the refresh ranges of network modules or the auto refresh ranges of
intelligent function modules.
If a new device point setting exceeds the corresponding device range, the data may be written to another device or an error may occur.
Figure 8.5 Device
Table8.5 Device setting list
Item
Parameter
No.
Description Setting range Default Reference
Device points
*1
2000H
Set the number of device points that
is appropriate to the system.
X(2K), Y(2K), S(2K), SB(1K), and
SW(1K) are fixed.
Setting is available within the range
of 16.4K words in total, including the
above fixed points (1.5K words).
One device: Up to 32K points
(No restrictions on the total points
for bit devices.)
•X: 2K
•Y: 2K
•M: 8K
•L: 2K
•B: 2K
•F: 1K
•SB: 1K
•V: 1K
•S: 2K
• T: 512
•ST: 0K
• C: 512
• D: 11136
•W: 2K
•SW: 1K
Section 9.1,
Section 9.2
Latch (1) start/end (Latch
clear valid)
2001
H
Set a latch range (start and end
device numbers), which can be
cleared by remote latch clear
operation.
Setting is available for only one
range for each of B, F, V, T, ST, C,
D, and W devices.
Blank
Section 3.7,
Section 6.3
Latch (2) start/end (Latch
clear invalid)
2002
H
Set a latch range (start and end
device numbers), which cannot be
cleared by remote latch clear
operation.
Setting is available for only one
range for each of L, B, F, V, T, ST, C,
D, and W devices.
Blank
Section 3.7,
Section 6.3