Omron CX-Process Monitor Plus 2, Руководство по эксплуатации

Страница: 69 / 272

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