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

2.1.2 AnACPU Module performance specifications

Table 2.2 shows the performance specifications of the AnACPU module. Since the
valid range for setting each device differs, use caution when a previous system FD,
peripheral devices or an AnACPU compatible system FD are used.
Table 2.2 CPU Module Performance Specifications
Item
Control system
I/O control method
Programming language
Processing speed
(Sequence instruction)
Sequence
instruction
Basic,
Instruction
application
instruction
Dedicated
instruction
Constant scan (program
start at specified
intervals)
Memory
Memory capacity
capacity
Memory
and
type
memory
(Memory
type
cassette
type)
POINT
* Memory cassette A3AMCA-96 is compatible with CPUs of the following
versions and later versions.
• A3ACPU Version BM
• A3ACPUP21 Version BL
• A3ACPUR21 Version AL
Performance
A2ACPU A2ACPU-S1
Stored program, repeated operation
Refresh method
Language dedicated to sequence control
Combined use of relay symbol type, logic symbolic
language and MELSAP-II(SFC)
A2A (S1) : 0.2 to 0.4 µs/STEP
A3A : 0.15 to 0.3 µs/STEP
25 types
233 types
200 types
Can be set between 10 msec and 190 msec in 10
msec increments
Max. 448k bytes
A3NMCA-0 to A3NMCA-56
A3ACPU
235 types
Max. 768k bytes
A3NMCA-0 to
A3NMCA-56
*A3AMCA-96
Example)
B M
4
Remarks
Instructions to enable
partial direct I/O are
available.
Set in special register
D9020.
Refer to Section 7 for
detalls on memory
cassette.
Battery back up.
Software version
Hardware version