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Table 2.1 Performance Specifications (Continued)
Item
Self-diagnosis
Operation mode at error
occurrence
Output mode a switching at
STOP
RUN
Starting method at RUN
Clock function
Latch (power failure
compensation) range
Remote RUN/Pause contact
Allowable momentary power
failure time
5 VDC internal power
consumption (A)
Weight kg
External dimensions mm (in)
A1NCPU
A2NCPU
Watchdog error supervision
Memory error detection, CPU error detection, I/O error detection, battery
error detection, etc.
Stop or continue selectable
Selection of re-output of operation state before STOP (default)/output after
operation execution
Initial start (Automatic restart when "RUN" switch is moved to ON position
at power-on, at power restoration after power failure)
Year, month, day, hour, second, and day of the week (automatic leap year
recognition) Accuracy:
-3.9 to + 0.8s (TYP. -1.1s) /d at 0°C
-1.8 to + 1.0s (TYP. -0.2s) /d at 25°C
-8.5 to + 0.7s (TYP. -4.0s) /d at 55°C
Defaults to L1000 to 2047 (Latch range can be set for L, B, T, C, D and W
relays.)
X0 to FF
X0 to 1FF
One RUN contact and one PAUSE contact can be set. It is not possible
20 msec
Depends on used power supply module
A1NCPU
:0.53
A2NCPU
A1NCPUP21(S3)
A2NCPUP21(S3)
:1.23
A1NCPUR21
A2NCPUR21
:1.63
A1NCPU :1.45
A2NCPU :0.62
A1NCPUP21(S3)
A2NCPUP21(S3)
:1.75
A1NCPUR21
A2NCPUR21
:1.75
250(H) × 135(W)
×121(D)
250(H) × 79.5(W) ×121(D) (9.84 × 3.13 ×4.76)
(9.84 × 5.31
×4.76)
3
Performance
A2NCPU-S1
X0 to 3FF
A2NCPU-S1
:0.73
:0.73
A2NCPUP21-S1
:1.38
(S4)
:1.38
A2NCPUR21-S1
:1.78
:1.78
A2NCPU-S1
:0.62
A2NCPUP21-S1
:0.92
(S4)
:0.92
A2NCPUR21-S1
:0.92
:0.92
A3NCPU
X0 to 7FF
A3NCPU
:0.90
A3NCPUP21(S3)
:1.55
A3NCPUR21
:1.95
A3NCPU :0.65
A3NCPUP21(S3)
:0.95
A3NCPUR21
:0.95

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   Also See for Mitsubishi Electric MELSEC A Series

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