Mitsubishi Electric Q12DCCPU-V - How to Read the List of Special Registers

APPX - 16
Appendix 7 List of Special Registers
APPENDICES
Appendix 7 List of Special Registers
The special register (SD) is an internal register whose application is fixed in a C Controller
module.
For this reason, the special relay cannot be used in the same way as other internal relays
are used in user programs.
Data is stored in binary format unless otherwise specified.
The following table shows how to read each item on the list.
Table APPX.16 How to read the list of special registers
Item Description
Number • Indicates the number of the special register.
Name • Indicates the name of the special register.
Description • Indicates descriptions about the special register.
Detailed
description
• Indicates detailed descriptions about the special register.
Setting side
(setting time)
• Explains setting side and setting time at the system side.
Q12DCCPU-V
Q06CCPU-V
Q06CCPU-V-B
<Setting side>
S : Set at the system side.
<Setting time>
System : Set when a fixed scan or the status is changed at the system side.
Initial : Set only at initialization (power on, STOP RUN, etc.)
Error : Set when an error occurs.