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Table 2.2 CPU Module Performance Specifications (continued)
Item
Main sequence program
capacity
Sub-sequence program
capacity
I/O points
STOP → RUN output
mode
Self-diagnostic functions
Starting method at RUN
Allowable momentary
power failure time
Latch (power failure
compensation) range
Remote RUN/PAUSE
contact
Operation mode at the
time of error
Clock function
Step RUN
Other
functions
Interrupt
processing
Data link
Performance
A2ACPU
A2ACPU-S1
6k steps
(Can be set to max. 14k steps
Absent
512 points
1024 points
Selection of re-output of operation state before STOP
(default)/output after operation execution
Watchdog error timer (watchdog timer 200 msec fixed)
Memory error detection, CPU error detection, I/O error
detection, battery error detection, etc.
Automatic restart when "RUN" switch is moved to ON
position (initial start)
Depends on used power supply module
Using parameter setting, M, L, and S relays 0 to 8191,
can be set in latch relay as L0 to L8191 (defaults to
L1000 to L2047)
RUN/PAUSE contact point can be set by the
parameter settings for A2A, A2A-S1, and A3 within the
following range.
A2A: X0 to X1FF, A2A-S1: X0 to X3FF, and A3A: X0
to X7FF.
I/O, special function module error: Stop, Operation
error: continue
Year, month, day, hour, minute, second, day of the week
(leap year is automatically identified.)
Accuracy
-2.3 to + 4.4s (TYP. +1.8s) /d at 0°C
-1.1 to + 4.4s (TYP. +2.2s) /d at 25°C
-9.6 to + 2.7s (TYP. -2.4s) /d at 55°C
Execution per instruction
Execution per circuit ladder block
Execution according to loop count and step interval
specification
Execution according to loop count and break point
specification
Execution according to device status
Interrupt program can be run in response to a signal
from an interrupt unit or by a constant-cycle interrupt
signal.
Data link system incorporating local PCs and/or
remote I/O can be constructed.
A3ACPU
(Can be set to
max. 30k steps)
0 to 30k steps
can be set.
2048 points
5
Remarks
Set in parameters.
Set in parameters.
The number of points
which can be used for
accessibility to actual
I/O modules.
Set in parameters.
Set range in
parameters.
Can be changed to
operation error stop.

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   Also See for Mitsubishi Electric MELSEC A Series

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