App - 40
APPENDIX
Appendix 3.2 Differences between A2SHCPU(S1) and A2SCPU
The differences between the A2SHCPU(S1) and A2SCPU are as follows:
*1 I/O processing: during refresh and LD instruction execution
*2 The number of the actual I/O points is the same as the AnS series, but this model has 2048
points of I/O device for each CPU (X/Y0 to X/Y7FF).The added I/O devices can be used for
MELSECNET (/B), MELSECNET/MINI, or CC-Link.
Appendix 3.3 Replacement precautions
Appendix 3.3.1 PLC type setting
The PLC type must be set to "A3" to enable the use of 2048 I/O device (X/Y) points, 8192
file register (R) points, and LEAD/LEDB instructions.
Appendix 3.3.2 Precautions when performing ROM partition
When performing ROM partition for A1SJHCPU(S8) or A1SHCPU with the SW4GP-
GPPA, the startup model must be changed as follows.
Item A2SHCPU(S1) A2SCPU
1
Operation processing speed
*1
0.25 s 1 s
2 Number of I/O points
2048 points
*2
512 points
3 File register capacity (R) MAX. 8192 points (R0 to 8191) MAX. 4096 points (R0 to 4095)
4
CC-Link dedicated
instructions
8 Not provided
5 Startup model A3 A2
6 Microcomputer program There are some restrictions. There are no restrictions.
7
Conventional memory
cassette
A2SMCA-14KE/14KP
New-type memory cassette
A2SNMCA-30KP
8 Clock precision
Year, month, day, hour, minute, day of the week
(automatic detection of the leap year)
Precision
-3.1 to +5.3s(TYP.+1.7s)/d at 0
-1.6 to +5.3s(TYP.+2.4s)/d at 25
-9.6 to +3.6s(TYP.-2.1s)/d at 55
Precision
-2.3 to +4.4s(TYP.+1.8s)/d at 0
-1.1 to +4.4s(TYP.+2.2s)/d at 25
-1.1 to +4.4s(TYP.+2.2s)/d at 25
Startup Model
Software version Q or earlier A0J2H
Software version R or later A1S
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