Specifications

A Unit for Every Application Need
3
High performance, multi-function CPU
With new developments such as multiple
program sequencing and global and local
devices along with a bevy of new
commands for special function modules,
the QnACPU is the perfect solution for a
wide range of factory automation needs.
The backbone of the MELSEC A family
A truly general purpose PLC whose high
levels of performance make it suitable to
all types of PLC application, including
MELSECNET functions, factory floor
control, and machine control.
Incorporating the world's first
microprocessor developed for sequence
control applications
A high level performer with a lightning fast
processing speed and an easy method
for configuring even the most complicated
control systems. What’s more, the AnA
CPU system can readily handle both
MELSECNET and MELSECNET II.
Building on the strength of the AnA
series
A perfect match for large scale systems,
this series has the enhanced networking
capabilities of MELSECNET/10 and is
capable of advanced data manipulation
tasks with an extended device range.
Memory capacity
(
k step
)
I/O pointsFeaturesCPU typeSeries name Picture
4096
4096
2048
1024
512
124
124
92
60
28
30
×2
14
14
6
30
×2
14
14
30
×4
30×2
14
14
2048
1024
512
256
2048
1024
512
4096
2048
1024
512
Q4ARCPU
Q4ACPU
Q3ACPU
Q2ACPU-S1
Q2ACPU
A3NCPU
A2NCPU-S1
A2NCPU
A1NCPU
A3ACPU
A2ACPU-S1
A2ACPU
A4UCPU
A3UCPU
A2UCPU-S1
A2UCPU
QnA
AnN
AnA
AnU
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