Mitsubishi MELSEC-A A1SCPUC24-R2, User Manual

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5
2.1.3 A2ASCPU(S1), A2USHCPU-S1 Module Performance
Specifications
The memory capacity, device performances and other specifications of
A2ASCPU(S1/S30) modules are provided below.
Table 2.3 Performance specifications
Item
Performance
Remarks
A2ASCPU
A2ASCPU
-S1
A2ASCPU
-S30
A2USHCPU
-S1
Control system Stored program, repeated operation
I/O control method Refresh method
Instructions to
enable partial
direct I/O are
available.
Programming
language
Language dedicated to sequence control
Combined use of relay symbol type, logic symbolic
language and MELSAP-II(SFC)
Processing speed
(sequence instruction)
0.2
µ
s/step 0.09
µ
s/step
Constant scan
(program start at
specified intervals)
Can be set between 10 ms and 190 ms in 10 ms
increments
Set in special
register D9020.
Memory capacity
64 kbytes
(built-in RAM)
256 kbytes
(built-in RAM)
Memory cassettes A2SMCA-14KP/14KE
A2SMCA-
14KP/14KE
A2SMCA-
30KE
Program
capacity
Main
sequence
program
Max. 14k steps Max. 30K steps
Set in
parameters.
Sub
sequence
program
None None
Number of I/O device
points
8192 points (X/Y0 to 1FFF)
The number of
points usable in
the program
Number of I/O points 512 points (X/Y0 to 1FF)
1024 points (X/Y0 to
3FF)
The number of
points which
can be used for
accessibility to
I/O modules