Omron CS1G/H-CPUxx-EV1 Programming Manual page 77

Basic Concepts
Units Refreshed for
IORF(097) or DLNK(226)
An I/O REFRESH (IORF(097)) instruction that refreshes real I/O data in a
specified word range is available as a special instruction. All or just a specified
range of real I/O data can be refreshed during a cycle with this instruction.
IORF can also be used to refresh words allocated to Special I/O Units.
Another instruction, CPU BUS UNIT REFRESH (DLNK(226)) is available to
refresh the words allocated to CPU Bus Units in the CIO and DM Areas, as
well as to perform special refreshing for the Unit, such as refreshing data
links. DLNK(226) is supported only by CS1-H, CJ1-H, CJ1M, or CS1D CPU
Units.
Units Refreshed for IORF(097)
Location CPU or Expansion I/O Rack (but not SYSMAC BUS Slave Racks)
Units Basic I/O Units
Special I/O Units
CPU Bus Units
A
E
C
Units Refreshed for DLNK(226)
Location CPU or Expansion I/O Rack (but not SYSMAC BUS Slave Racks)
Units Basic I/O Units
Special I/O Units
CPU Bus Units
Words allocated to the Unit in CIO Area
Words allocated to the Unit in DM Area
Special refreshing for the Unit (data links for
Controller Link Units and SYSMAC Link Units
or remote I/O for DeviceNet Units)
DLNK
#F
CS/CJ-series Basic I/O Units Refreshed
C200H Basic I/O Units
C200H Group-2 High-den-
sity I/O Units
B
R1
D
R2
Words allocated in
CIO Area and DM
Area and any
special refreshing
CPU Bus Unit with
unit number F.
Section 2-1
Refreshed
Refreshed
Refreshed
Not refreshed
A
C E
A E
C
Not refreshed
Not refreshed
Refreshed
41