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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
Summary of Contents for CX-Process Monitor Plus 2
Page 1: ...CX Process Monitor Plus Ver 2 Cat No W428 E1 02 SYSMAC WS02 LCMC1 EV2 OPERATION MANUAL...
Page 2: ...WS02 LCMC1 EV2 CX Process Monitor Plus Ver 2 Operation Manual Revised January 2007...
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x...
Page 15: ...xvi Application Precautions 4...
Page 41: ...26 Basic Operating Procedure Section 1 2...
Page 243: ...228 Checking Configurations Section 5 7...
Page 267: ...252 Reading Writing Function Block ITEMs Appendix A...
Page 269: ...254 Differences between Trend Screens and Batch Trend Screens Appendix B...