Omron CX-PROCESS MONITOR PLUS V2 - 01-2007 Operation Manual page 68

Data Exchange Method
Loop Control Unit
Function Blocks
Control blocks
(Block Models
001 to 034)
Operation blocks
(Block Models
111 to 224)
Setting Example:
ITEMs accessed by
Receive/Send All Blocks
Monitoring Function Block Data from Monitor Plus
Monitor Plus monitors the Loop Control Unit's function block data through the
Send All Blocks (Block Model 462) function block.
Monitoring Example:
Loop Control Unit
Basic PID
Block
Basic PID
ITEMs
Block
Send All
accessed by
Blocks
Receive/Send
High/Low
All Blocks
Limit
Timer
Monitor Plus actually monitors data as shown in the following diagram.
Send All Blocks
Send Stop Switch
Number of control blocks
Sends corresponding ITEMS for
the specified number of blocks
starting with block address 001.
Number of operation blocks
Sends corresponding ITEMS for
the specified number of blocks
starting with block address 100.
Loop Control Unit
Specify tags for
Monitor Plus and
Basic
write directly.
Receive
PID
All Blocks
Block
Basic
PID
Block
High/Low
Limit
Timer
CPU Unit
Data area
Allocation
Send
Control Block
Operation
Block
External
Controller
Block
CPU Unit
Any I/O memory words (CIO,
WR, HR, DM, or EM bank 0)
Block address 001
ITEMS (20 words)
Block address n
ITEMS (20 words)
Block address 100
ITEMS (20 words)
Block address m
ITEMS (20 words)
Section 3-1
Monitor Plus
Monitor Plus
Specify tags
for Monitor
Plus and read.
Specify tags for
Monitor Plus
and read.
Monitor Plus
53