Mitsubishi Electric A1SJ71PB96F User Manual page 37

4. FUNCTIONS
(2) Variables and data types
The following shows the relationship between the variables and data types that can be used by
the AJ71PB96F/A1SJ71PB96F local OD and the device memory.
Boolean
Integer8
Integer16
Integer32
Unsigned8
Unsigned16
Unsigned32
Float
VisibleStr
OcteStr
Date
TimeOfDay
TimeDiff
BitStr
*1: Maximum 128 bytes (1024 bits)
*3: Maximum 128 elements
*5: Maximum 32 elements
*6: 1 element byte length x Number of elements <= 128 bytes, and 1 element is 128 bytes or
*7: Maximum 10 elements
(3) Objects mapping data
Because the objects and PC memory area mapping shown above is set by the AJ71PB96F/
A1SJ71PB96F, the following items must be set by the software package.
(a) Structured data types
(b) Simple variable
(c) Array variable
(d) Record variable
(e) Domain
Simple variable
Bit device Word device


×
×
×
×
×
×
×
×
×
×
×
×
1


*
less
• Index No
• Number of elements
• (Data type, data length) Maximum 10 unit combinations
• Index No. • Variable name
Head device
For device:
For buffer memory:
• Index No. • Variable name
• Number of elements
Head device
For device:
For buffer memory:
• Index No. • Index name
• PC No.
Head device
For device:
For buffer memory:
• Index No. • Domain name
• Domain type (program, parameter, ...)
Head device
For device:
For buffer memory:
Array variable
Bit device Word device
3
×

*

 ×

 ×

 ×

 ×

 ×

 ×


×
2

 ×
*
2

 ×
*
× ×
× ×
× ×
6
×

*
*2: Maximum 64 words
*4: Maximum 64 elements
• Data type
• Device name • Device number
• Y No. • Buffer memory address
• Data type
• Device name
• Y No.
• Structured data type INDEX
• (Device name, device number) Maximum 10 unit combination
• (Cannot be used)
• Network No.
• Data length
• Device name
• Y No.
4-11
MELSEC-A
Record variable
Bit device
7
×

*
3

 ×
*
4

 ×
*
5

 ×
*
3

 ×
*
4

 ×
*
5

 ×
*
5


×
*
6

 ×
*
6

 ×
*
× ×
× ×
× ×
× ×
• Network No. • PC No.
• Network No • PC No.
• Device number
• Buffer memory address
• Network No.
• PC No.
• Device number
• Buffer memory address
Word device
× 
×
7


*
×
×
7


*
×
×
×
×
×
×
×
×