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A2ccpu; Performance - Mitsubishi Electric MELSEC-A Series User Manual

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4.A2CCPU
4.
A2CCPU
MELSEC-A
I
4.1
Performance
(1) Performance specifications
Table 4.1 List of Performance
Item
Performance
Control system
Repeated operation (using stored program)
I/O control method
Refresh mode
Programming language
Language dedicated to sequence control (Combined use of relay symbol
type and logic symbolic language)
Sequence
22
instruction
Number of
Basic
131
instructions
instruction
Application
97
instruction
Processing speed
1.25
(sequence instruction)
(p
sec/step)
110
points
512
Watch dog timer (WOn (msec)
10 to 2000
Memory capacity
.1
32 K byte built-in RAM for user
Program capacity
Max. 16K (8K step)
Internal relay (M) (point)
1000 (MO to 999)
Latch relay (L) (point)
1048 (L1000 to 2047)
The number of Ms
+
Ls
+
55
=
2048
(set in parameters)
Number of step relays (8) (point)
o
(Defaults to no value)
Link relay (B) (point)
1024 (BO to 3FF)
Number of
256
points
Timer
en
100 msec timer: selling time 0.1 to 3276.7sec (TO to 199)
] -Set in
10 msec timer: setting time 0.01 to 327.67sec (T200 to 255)
parameters
Specifications
Device
100 msec retentive timer: depending on setting
(setting time 0.1 to 3276.7sec)
Number of points
256
Counter (C)
Specifications
Selling range 1 to 32767 (CO to 255)
Data register (D) (points)
1024 (DO to 1023)
Link register 0"1) (points)
1024 0"10 to 3FF)
Annunciator (F) (points)
256 (FO to 255)
Index register (V, Z) (points)
Max. 4096 (AO to 4095)
Nesting (N) (points)
8 (NO to 7)
*
1 •
Total memory capacity for parameters,
TIC
set values, program capacity, file registers,
comment points, sampling trace and status latch. See Section 4.4 for memory capacity
calculation.
4-1

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