Stop Each Function Block Operation And Cancel Operation-Stop; Starting (Run/Stop) Pid Calculation Only For Each Function Block; (Lcb01/03/05 Ver. 3.0 Or Later) - Omron SYSMAC CS1W-LCB01 Operation Manual

Description of Operation
3-2-9

Stop Each Function Block Operation and Cancel Operation-Stop

1,2,3...
Note
ITEM000 of each func- If 1 (stop)
tion block (stop/cancel
stop)
If 0 (cancel stop) Stop (priority given to
Indicating Loop Controller start/stop from the CPU Unit
Start/stop of running of all
function blocks
3-2-10 Starting (RUN/STOP) PID Calculation Only for Each Function
Block (LCB01/03/05 Ver. 3.0 or Later)
3. ITEM014 (run/stop command) of the System Common block (Block Model
000) cannot be changed directly by the Step Ladder Program block (Block
Model 301). It is changed via the ITEM Setting blocks.
Operation of each function block can also be stopped and stop canceled.
Note, however, that the START mode when an operation stop of each function
block is canceled is the hot start mode. The cold start mode cannot be set.
There are three ways of performing the above operations.
1. By CX-Process Tool (Both operation can be stopped and operation stop
canceled in the Monitor run status screen.)
2. By issuing the FINS WRITE ITEM commands (command codes 0241 and
0243 Hex) to change ITEM000 (stop block operation command) of the Sys-
tem Common block (Block Model 000)
3. HMI function
1. Be sure to set 0 to ITEM000 of the System Common block (Block Model
000). If this ITEM is set to 1, the Loop Controller stops running, and data
exchange with the CPU Unit is stopped.
2. The following shows the relationship between the run/stop command
(ITEM014) of the System Common block and the stop block operation
command (ITEM000) of each function block.
When the hot start mode or cold start mode has been set by run/stop com-
mand (ITEM014) of the System Common block, ITEM000 of all function
blocks automatically becomes 0 (cancel stop), and operation is started by
a hot start or cold start.
Set to 0 (stop)
The function block
remains stopped (1).
System Common blocks)
To instruct Loop Controller start/stop under certain conditions by the CPU
Unit, execute the CMND command in the Step Ladder Program on the Loop
Controller, and issue the FINS WRITE ITEM command (command codes
0241 or 0243 Hex) to change ITEM014 (run/stop command) of the System
Common block.
Condition
A contact input (RUN/STOP switch) can be used in Basic PID (Block Model
011) or Advanced PID (Block Model 012) to start or stop PID calculations for
each function block. The MV at stop setting can also be used to specify the
MV when PID calculations are stopped (LCB01/03/05 Ver. 3.0 or later only).
ITEM014 of System Common block
Set to 1 (hot start)
0 Becomes 0 (cancel
stop) and hot start is per-
formed.
CMND
Section 3-2
Set to 2 (cold start)
Becomes 0 (cancel stop)
and cold start is per-
formed.
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