990XCP98000 SQUARE D, 990XCP98000 Datasheet - Page 33
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990XCP98000
Manufacturer Part Number
990XCP98000
Description
QUANTUM CPU BATTERY FOR S
Manufacturer
SQUARE D
Datasheet
1.990XCP98000.pdf
(463 pages)
Specifications of 990XCP98000
Rohs Compliant
YES
Battery Capacity
1800mAh
Battery Technology
Lithium
Battery Voltage
3V
Battery Terminals
Connector
Weight
0.12lb
- Current page: 33 of 463
- Download datasheet (22Mb)
Memory structure
CPU without PCMCIA memory card
CPU with PCMCIA memory card in slot A
Internal RAM
PCMCIA card
(in slot A)
Internal RAM
Located data
Program and symbols
Constants
Operating system
Located data
Program and symbols
Constants
(continued)
1
2
1
2
3
3
Modicon
automation platform
Safety CPUs
The application memory is divided into memory areas, physically distributed in the
internal RAM memory and on 1 PCMCIA memory extension card.
1
2
3
Depending on the requirements for application memory size, there are two possible
ways to organize the memory depending on whether the Quantum safety CPU is
equipped with a PCMCIA memory extension card:
b
that is backed up (1) by the CPU (2 MB).
b
data. The PCMCIA memory card contains the program space (program, symbols
and constants areas).
Presence of the symbols area with the program area is optional. The fact of having
the application symbols database on the PLC means that, when it is connected to an
empty programming PC, the elements needed to debug or upgrade this PLC are
available.
Whether located in the internal RAM or in the PCMCIA card, the application can be
protected with a key switch (see page 1/23), in order to prohibit its access
(read or modify program) online under Unity Pro XLS.
SRAM+FLASH
SRAM+FLASH
FLASH
FLASH
FLASH
FLASH
SRAM
SRAM
SRAM
SRAM
SRAM
SRAM
(1) The internal RAM memory is backed up by a nickel cadmium battery.
Memory structure
Protecting the application
PCMIA cards for safety CPUs
Type
Application in internal RAM: the application is entirely loaded in the internal RAM
Application in PCMCIA card: the internal RAM is now reserved for application
The application data area is always in internal RAM.
It consists of global located data, corresponding to the data defined by an address
(for example %MW237) with which a symbol can be associated.
Application program and symbols area in the internal RAM or in the PCMCIA
memory card (descriptor, executable code for the tasks and application symbols
database).
Constants area in internal RAM or the PCMCIA memory card (constant words,
initial values and configuration).
RAM memory cards are protected by a Lithium battery.
®
Program size
Kb
2048
512
1024
2048
4096
512
1024
2048
3072
7168
1792
768
Quantum
Data size
Kb
1024
512
–
–
–
–
832
1856
2880
6976
1600
576
™
Reference
TSXMCPC002M
TSXMCPC512K
TSXMFPP001M
TSXMFPP002M
TSXMFPP004M
TSXMFPP512K
TSXMRPC001M
TSXMRPC002M
TSXMRPC003M
TSXMRPC007M
TSXMRPC01M7
TSXMRPC768K
1/25
10
10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
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