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MELSEC-Q
1 OVERVIEW
(6) Saved space by a reduction in size
The installation space for Q series has been reduced by approx. 60 % of the
space for AnS series.
1SX10 1SY50 1SX41 1SY41 1SX81 1SY81 1SX42 1SY42
98mm
(3.86
inch)
5 Slot Main Base Unit 245mm(9.65inch)
8 Slot Main Base Unit 328mm(12.92inch)
12 Slot Main Base Unit 439mm(17.30inch)
(depth:98mm(3.86inch))
Comparison of installation space
PULL
(7) Connection of up to seven extension base units.
(a) The High Performance model QCPU can connect to seven extension base
units (eight base units including the main) and accept up to 64 modules.
(b) The overall distance of the extension cables is up to 13.2m to ensure high
degree of extension base unit arrangement.
(8) Memory extension by memory card
The High Performance model QCPU is provided with a memory card installation
connector to which a memory card of 32 Mbyte max. can be connected (32
Mbyte is available when a ATA card is used).
When a memory card of large capacity is installed, a large capacity of file can be
controlled, comments to all data devices can be set up, and the programs in the
past can be stored in the memory as they are in the form of the corrected
histories.
If a memory card is not installed, a program can be stored onto the standard
ROM built in the CPU module, and file registers can be handled by the standard
RAM.
REMARK
• The number of file registers that can be handled changes depending on the
function version/serial number of the CPU module used.
CPU Module Type Number of File Registers
Q02CPU 32k points
First 5 digits of serial number are "04011" or earlier 32k points Q02HCPU
Q06HCPU
First 5 digits of serial number are "04012" or later 64k points
First 5 digits of serial number are "02091" or earlier 32k points Q12HCPU
Q25HCPU
First 5 digits of serial number are "02092" or later 128k points
Refer to Section 2.3 to confirm the function version and serial number of the High
Performance model QCPU.