Configuration of Function Blocks
Section
3-1
71
Allocatable block addresses are determined as follows according to the type
of function block. Block addresses other than these cannot be allocated.
Function block type
Allocable block address
Basic PID (Block Model 011) and other Control
blocks
001 to 032
Square Root (Block Model 131) and other Operation
blocks
100 to 349 (Note 2)
Step Ladder Program block (Block Model 301)
400 to 499
Send to Computer block
501 to 532
Send from All Nodes block
550 to 599
Receive from All Nodes block
600 to 699
CPU Unit Terminal
861 to 876
Expanded CPU Unit Terminal
829 to 860
Field Terminal
901 to 980
Note 2
An internal switch is allocated to block address 349 on CX-Process Tool for
temporarily holding data.
Which function block data is written to or which function block data is read
from is determined by the block address for each ITEM.
Note 3
Block Model and Block Address
The "Block Model" is a number for specifying the type of block and is not set
by the user in CX-Process Tool. Be careful not to confuse the Block Model
with the "block address" that is used as the address for execution that IS set
by the user.
2. Wire analog signals (or accumulated value signals) between function
blocks. (See 3-1-5 Connecting Function Blocks described later.)
3. Set ITEM data other than the analog signals.
Note 4
Wiring of analog signals (or accumulated value signals) between function
blocks is also possible by setting the data of each ITEM.