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1. OVERVIEW
1.2 A2USHCPU-S1, A2USCPU(S1), A2ASCPU(S1/S30) Performance/Specification Comparisons
The differences in the performance and specifications between A2USHCPU-S1,
A2USCPU(S1) and A2ASCPU(S1/S30) are as follows.
A2USHCPU-S1, A2USCPU(S1) and A2ASCPU(S1/S30) performances/specifications are
the same but the following items.
*1 When using A2USCPU-S1.
*2 When using A2ASCPU-S30.
*3 When using A2ASCPU-S1 or A2ASCPU-S30.
Item A2USHCPU-S1 A2USCPU(S1) A2ASCPU(S1/S30)
I/O control mode Refresh mode Refresh mode Refresh mode
Processing speed (Sequence instruction)
0.09 s/step 0.2 s/step 0.2 s/step
Constant scan 10 to 190ms 10 to 190ms 10 to 190ms
Main program capacity Max. 30k steps Max. 14k steps
Max. 14k steps
(Max. 30k steps)
*2
Memory
capacity and
memory
cassette model
Memory capacity
(built-in RAM)
256k bytes
64k bytes
(256k bytes)
*1
64k bytes
(256k bytes)
*3
E
2
PROM type memory
cassette
A2SNMCA-30KE A2SNMCA-30KE A2SNMCA-30KE
Number of I/O device points 8192 points 8192 points 8192 points
Number of I/O points 1024 points
512 points (1024 points)
*1
512 points (1024 points)
*3
Device points
Internal relay [M, L, S] 8192 points 8192 points 8192 points
Link relay [B] 8192 points 8192 points 4096 points
Link register [W] 8192 points 8192 points 4096 points
Data register [D] 8192 points 8192 points 6144 points
File register [R] 8192 points 8192 points 8192 points
Annunciator [F] 2048 points 2048 points 2048 points
Timer [T] 2048 points 2048 points 2048 points
Counter [C] 1024 points 1024 points 1024 points
Index register [V, Z] 14 points 14 points 14 points
Comment Max. 4032 points Max. 4032 points Max. 4032 points
Expanded comment Max. 3968 points Max. 3968 points Max. 3968 points
Watchdog timer setting 200ms fixed 200ms fixed 200ms fixed
Data link
MELSECNET/10
MELSECNET(II)
MELSECNET/B
MELSECNET/10
MELSECNET(II)
MELSECNET/B
MELSECNET/10
MELSECNET(II)
MELSECNET/B
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