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No Need for Memory Map Control.
The CJ2 CPU Units introduce a new feature called tag access, to reduce your TCO (Total Cost of Ownership)
for systems that use Programmable Terminals, multiple PAC’s, and host applications. Tags allow freedom from
memory maps.
Simultaneous Development Takes the Stress Out of Short Deadlines.
No Need for Address Allocation Adjustments in Post-processing.
The various Controllers do not depend on addresses, so parallel development at each Controller is enabled
by first simply determining the tag names. There is no need for subsequent address allocation.
Example: Programmable Terminal and CJ2 Development
NEW
The screens are created
Addresses are determined while
creating the ladder program.
The screens are created with no need
to pay attention to addresses.
» Simultaneous Development for Programmable
Terminal and CJ2 CPU Unit
Programmable Terminal screens can be designed
using tag names defined in the CJ2 CPU Unit. There
is no need to adjust address allocations in post-
processing.
» Simultaneous Development for Host Application
and CJ2 CPU Unit
Designing can be carried out simply by setting tag
names in the information section and the control
design section. There is no need for physical ad-
dresses in the network interface specifications.
» Data Links between CJ2 CPU Units
Simply setting tag names allows development to
proceed simultaneously among multiple designers
and multiple vendors. It is then easy to subsequently
change the sizes of data links.
The PLC program is first
created, and then the ladder
program is referenced to
create the screens.
The screen graphics are
created in advance, and
then addresses are allocated
and checked after the ladder
program is completed.
Case 1
Case 2
CJ2
By simply setting tag names, PAC and
Programmable Terminal programming
can be performed in parallel.
Tag name
Number_produced
Production_target
Address
Undetermined
Undetermined
Previously
Ladder program is created.
Ladder program is created.
Programmable Terminal screens
are created.
Programmable Terminal screens are
created (graphics only).
Addresses are allocated and
the allocations are checked.
The addresses are set.
Design time is shortened
Ladder program is created.