Omron CX-PROCESS MONITOR PLUS V2 - 01-2007 Operation Manual page 69

Data Exchange Method
Loop Control Board
54
Monitor Plus uses the HMI function to set and monitor function block data.
Loop Control Unit
System
Common
Block's
allocated
ITEMS
HMI
Control Block's
function
allocated
ITEMS
Operation Block's
allocated ITEMS
HMI Function
The HMI function constantly exchanges ITEM data (20 words/block) of Con-
trol Blocks, Operation Blocks, External Controller Blocks, and the System
Common Block with the specified words in an EM bank in the CPU Unit in the
order of function block addresses.
Loop Control Unit
Function block
System
Block address
Common
block (Block
Block address
Model 000)
Control/
Operation
blocks
(Block
Models 001
to 500)
External Block address
Controller
blocks
(Block
Models 601
to 632)
System
Block address
Common
block (Block
Block address
Model 000)
Control/
Operation
blocks
(Block
Models 001
to 500)
Block address
External
Controller
blocks
(Block
Models 601
to 632)
CPU Unit
I/O memory
Each
EM area
operation
(EM bank allocated
cycle
to the HMI function)
(See note.)
CPU Unit
Data area for HMI function
EM area
Example: EM bank 0 specified
Block address 000
ITEMS (20 words)
Block address 001
ITEMS (20 words)
Send
Block address 500
ITEMS (20 words)
Block address 601
ITEMS (20 words)
Send
Block address 632
ITEMS (20 words)
Receive
Block address 000
ITEMS (20 words)
Block address 001
ITEMS (20 words)
Receive
Block address 500
ITEMS (20 words)
Block address 601
ITEMS (20 words)
Receive
Block address 632
ITEMS (20 words)
Section 3-1
Monitor Plus
Specify CSV
tags and read.
Specify CSV
tags and write.
Read
Monitor Plus
Write