Differences In Available Accesses By Storage Memory; Registration Procedure For The File Register - Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual

4.7.3

Differences in available accesses by storage memory

Accesses available for the file register vary for each memory.
Program writing
Program reading
Writing device memory to programmable controller
Reading device memory from programmable controller
Online test operation using a programming tool
Writing data to a CPU module using a programming tool
Writing data to a CPU module (flash ROM) using a
Data
programming tool
modification
Batch write by a serial communication module
Device data writing from GOT1000 series
Random write command from GOT1000 series
4.7.4

Registration procedure for the file register

To use the file register, register files to the CPU module by the following procedure.
1.
Set a file register file. (
2.
Write the file register file. (
(1) Setting a file register file
Set whether to use a file register in the PLC file tab of the PLC parameter dialog box.
(a) Not Used
Select this in the following cases.
• When not using any file register
• When specifying a file register used in the sequence program (the QDRSET instruction is used for
specification.)
Access
Page 393, Section 4.7.4 (1))
Page 396, Section 4.7.4 (2))
(a)
(c)
Standard RAM SRAM card
× ×
CHAPTER 4 DEVICES
Flash card
×
×
4
×
×
×
×
×
393