Omron CS1W-LC001 Operation Manual page 94

Configuration of Function Blocks
Block diagram
ITEM type
symbol
The following table shows the ITEM types in the case of the Field Input/Output block.
Function ITEM type
External Specification
analog of external
input analog input
Analog output
External Analog input
analog connection
output information
Analog input
Specification
of external
analog output
External Specification
contact of external
input contact input
Contact output
External Contact input
contact
Specification
output
of external
contact output
76
Description
4) Parameter value
can be changed by
the Step Ladder
Program block
(Block Model 301) or
the Contact
Distributor block
(Block Model 201).
5) Indication only (by
CX-Process Monitor
or Step Ladder
Program)
Block diagram symbol
ITEM number
× × ×
ITEM number
× × ×
ITEM number
× × ×
ITEM number
× × ×
Example
Auto/Manual switch
(ITEM086) of the Basic
PID block
PV execution error
indication (ITEM019) of
the Basic PID block
Description
Analog signals are received from
the Analog Input Unit having the
specified unit number.
Same as regular analog output ITEM
Same as regular analog input ITEM
Analog signals are sent to the
Analog Output Unit having the
specified unit number.
Contact signals are received
from the Contact Input Unit
allocated to the leading specified
CIO (channel I/O) Area.
Same as regular contact output ITEM
Same as regular contact input ITEM
Specify the leading CIO (channel
I/O) Area allocated to the
Contact Output Unit.
Section
Setting method
This data is set according
to the Step Ladder
Program block (block
number 301) or the
Contact Distributor block
(block number 201).
Note: Only "parameters" that are
also "contact inputs" (ITEMs
whose ITEM type is
specified as "contact
input/parameters" in the
Function Block Reference
Manual)
Cannot be set
Setting method
Specify the unit number of the
Analog Input Unit.
Specify the unit number of the
Analog Output Unit.
Specify the leading CIO (channel
I/O) Area allocated to the Contact
Input Unit.
Contact signals are sent to the
Basic I/O Unit allocated to the
leading specified CIO (channel
I/O) Area.
3-1