Configuration of Function Blocks
Section
3-1
82
Connecting via the Step Ladder Program block
When logical operation is required, use the Step Ladder Program block
(Block Model 301).
Example
Input ITEM086 (Auto/Manual switch) of the Basic PID block of block address
001, and output ITEM086 reflected in ITEM026 (Remote/Local switch) of the
Basic PID block of block address 002.
086
011
Block address: 001
A/M
Block address: 400
ITEM number
Command
Command code
Operand
011
LOAD
01
001086
012
OUT NOT
12
002026
Step Ladder
Program block
Block address: 400
026
Block address: 002
012
Basic PID
block
Basic PID
block
001-086
002-026
A/M
R/L
Remote/Local sw itch
Connecting via the Contact Distributor block
When logical operation is not required, use the Contact Distributor block
(Block Model 201).
Example
Input ITEM014 (High PV alarm) of the Basic PID block of block address 001,
and write ITEM014 to ITEM021 (A1 selection command) of the Constant
Selector block (Block Model 165) of block address 100.
014
007
Block address: 001
High PV alarm
Source
designation (S1)
Block address: 101
ITEM number
Data
007
001014
008
100021
Contact Distributor
block
Block address: 101
021
Block address: 100
A1 selection command
008
Destination
designation (E1)
Basic PID
block
Contact
Selector block