Omron SYSMAC CS Series Operation Manual page 107

Overview
Other Areas The following words in the DM Area cannot be used as I/O memory (i.e., they
cannot be written to from the ladder program).
Data area Addresses
DM Area DM 6144 to
DM 6199
DM 6200 to
DM 6599
DM 6600 to
DM 6655
Size
56 words Error Log Area
400 words Words in this area are used for general-pur-
pose data. They cannot be written to using
instructions. They can be written to only by
using a Programming Device. Reading is
possible using either instructions or a Pro-
gramming Device.
56 words Unit Setup Area
This area is used to make initial settings for
the functions of the Customizable Counter
Unit on a software level. When the power is
turned OFF or the operating mode is
switched, the settings are held.
Writing is not possible using instructions. It
is possible only by using a Programming
Device. Reading is possible using either
instructions or a Programming Device.
Section 6-1
Function
87