Mitsubishi Electric Q01UCPU User Manual page 38

(c) Transfer confirmation to the program memory
Program transfer to the program memory can be checked by the following.
• Checking the status in the progress screen
The following figure is the progress screen in a programming tool.
• Checking with the special relay and the special register
The status can be checked using SM681 and SD681.
(d) Checking whether data are transferred to the program memory
Whether data are transferred from the program cache memory to the program memory can be checked using
SM165.
(2) Standard RAM
This memory stores file register files, local device files, sampling trace files, and module error history files.
For the High-speed Universal model QCPU, the size of standard RAM is extended by installing an extended
SRAM cassette.
(3) Standard ROM
This memory stores data such as device comments and PLC user data.
Note 2.1
Universal
When checking the data transfer status with the Q02UCPU, Q03UDCPU, Q04UDHCPU, or Q06UDHCPU, check the ver-
sions of the CPU module and programming tool used. (
36
Page 462, Appendix 2)
Note 2.1 Note 2.1