3-2
Section 3 Specications
3-2 Main Unit Specications
3-2-1 Performance specications
Item
Specication
Main unit with 14/24 points Main unit with 32/40/60 points
Control system
Stored program,
Cyclic scanning system (default task), periodic task, event task
Input/output connection method Direct input/output (local bus)
I/O control system
Whole: Scan batch refresh system
Digital I/O: Task synchronized refresh system
CPU 16-bit processor
Memory types Program memory, data memory, temporary memory
Programming language
<When using D300win>
Conforming to IEC61131-3
IL language (Instruction List)
ST language (Structured Text)
LD language (Ladder Diagram)
FBD language (Function Block Diagram)
SFC elements (Sequential Function Chart)
<When using Standard Loader>
Original LD language (Ladder
Diagram)
Length of instructions Variable length (depending on language)
Program memory capacity (Note 2) 8192 steps 20480 steps
Program steps in a POU 8192 steps 16384 steps
Memory
(Note 1)
I/O memory 512 words
Standard memory 4096 words 8192 words
Retain memory 2048 words 4096 words
User FB memory 4096 words 8192 words
User FB memory
Initial value setting memory
4608 words 9216 words
System FB
memory
5632 words 11264 words
Timer 256 points 512 points
Integrating timer 0 point 0 point
Counter 256 points 512 points
Edge detection 1024 points 2048 points
Others 512 words 1024 words
System memory 512 words
Special relay/register (standard) 4096 words
Special relay/register (retain) 4096 words
No. of tasks
Default tasks (Cyclic scanning): 1
Fixed cycle tasks + Event tasks: 15 in total
No. of programs
64 / Default task
8 / Fixed cycle task, Event task
Notes:
1) You can freely increase or decrease the area sizes of the standard memory, retain memory, user FB memory, and system
FB memory. The above table shows the default values.
2) The initial value setting area of the standard memory and retain memory is included.