Anucpu Module Performance Specifications - Mitsubishi Electric MELSEC A Series User Manual

2.1.3 AnUCPU Module Performance Specifications

This section explains the performance specifications and devices of the AnUCPU.
Item
Control system
I/O control method
Programming language Combined use of relay symbol type, logic symbolic
Processing speed
(Sequence
instruction)
(µ sec/step)
Sequence
instruction
Inst-ru Basic,
ction application
(types) instruction
Dedicated
instruction
Constant scan
(program start at
specified intervals)
Memory capacity
Main
sequence
Program program
capacity
Sub-seque
nce
program
I/O device points
I/O points
Table 2.3 Performance Specifications
Performance
A2UCPU A2UCPU-S1
Stored program, repeated operation
Refresh method
Language dedicated to sequence control
language and MELSAP-II (SFC)
0.2
233
Can be set between 10 msec and 190 msec in 10 msec
increments
Capacity of installed
memory cassette
(Max. 448 kbytes)
Max. 14k steps
Absent
8192 points (X/Y0 to 1FFF)
512 points 1024 points
(X/Y0 to (X/Y0 to
1FF) 3FF)
A3UCPU A4UCPU
0.15
25
235
204
Capacity of installed
memory cassette
(Max. 1024 kbytes)
Max. 30k steps
Max. 30k Max. 30k
steps × 3
steps
2048 points 4096 points
(X/Y0 to (X/Y0 to
7FF) FFF)
7
Remarks
Instructions to
enable partial
direct I/O are
available.
Set in special
register D9020.
Set in
parameters.
The number of
points usable in
the program
The number of
points which can
be used for
accessibility to
actual I/O
modules