File Register Data Storage Location - Mitsubishi Q00JCPU User Manual

10
DEVICE EXPLANATION
(3) Clearing the file register
Universal
UD
Note10.20

10.7.1 File register data storage location

As the memory for storing the file register data, there are three different memories:
standard RAM, SRAM card and Flash card.
The file register data storage location changes depending on the CPU module.
The file register data storage location of each CPU module is as described in Table10.13.
Note20
The Universal model QCPU can set the latch range of the file register. Set the latch range of file
Universal
UD
register in the device setting of the PLC parameter. (
Note10.20
The file register contents are backed up by the battery built in the CPU module.
They are backed up if the PLC is powered OFF or the CPU is reset. (It is not initialized
if latch clear is conducted.)
To initialize the file register contents, perform data clear operation in a sequence
program or using GX Developer.
(a) When clearing by sequence program
Figure 10.69 Example of clearing file registers R0 to 999
(b) When clearing by GX Developer
Choose [Online] [Clear PLC memory] on GX Developer, and select File register
all clear to clear the data.
Table10.13 File register data storage locations
CPU module
Q00JCPU
Basic model QCPU
Q00CPU, Q01CPU
High Performance model QCPU
Process CPU
Redundant CPU
Universal model QCPU
Note10.20
Note20
FMOV KO RO K1000
None (File registers unavailable)
Standard RAM
Standard RAM, memory card (SRAM card,
Flash card)
Section 6.3 (5))
10.7 File Register (R)
10.7.1 File register data storage location
Storage location
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