Setting The Fb Instance Areas - Omron CX-PROGRAMMER V8.1 Operation Manual

Procedures
3-2-6

Setting the FB Instance Areas

1,2,3...
Note
Note
102
The areas where addresses for variables used in function blocks are allocated
can be set. These areas are called the function block instance areas.
1. Select the instance in the Ladder Section Window or in the global symbol
table, and then select Function Block/SFC Memory - Function
Block/SFC Memory Allocation from the PLC Menu.
The Function Block/SFC Memory Allocation Dialog shown below will ap-
pear.
2. Set the FB instance areas.
Non-retained area
Retained area
Timer area
Counter area
The non-retained and retained areas are set in words. The timer and
counter areas are set by time and counter numbers.
The default values are as follows:
CJ2-series CPU Units
FB Instance
Area
Start address
Non Retain H512
Retain H1408
Timers T3072
Counters C3072
Force-setting/resetting is enabled when the following EM banks are specified:
CJ2H-CPU64(-EIP)/-CPU65(-EIP)
CJ2H-CPU66(-EIP)
CJ2H-CPU67(-EIP)
CJ2H-CPU68(-EIP)
CS/CJ-series CPU Units Ver. 3.0 or Later, and NSJ Controllers
FB Instance
Area
Start address
Non Retain H512 (See
(See notes 1 note 2.)
and 3.)
Retain (See H1408 (See
note 1.) note 2.)
Timers T3072
Counters C3072
(1) Bit data can be accessed even if the DM or EM Area is specified for the
non-retained area or retained area.
First Last
address address
Default value
End address Size
H1407 896
H1535 128
T4095 1024
C4095 1024
EM bank 3
EM banks 6 to 9
EM banks 7 to E
EM banks 11 to 18
Default value
End address Size
H1407 (See 896
note 2.)
H1535 (See 128
note 2.)
T4095 1024
C4095 1024
Section 3-2
Size
Applicable memory
areas
CIO, WR, HR, DM,
EM (See note.)
HR, DM, EM (See note.)
TIM
CNT
Applicable memory
areas
CIO, WR, HR, DM, EM
HR, DM, EM
TIM
CNT