990XCP98000 SQUARE D, 990XCP98000 Datasheet - Page 72

• Manufacturer Part Number: 990XCP98000
• Description: QUANTUM CPU BATTERY FOR S
• Manufacturer: SQUARE D

Specifications of 990XCP98000

• Rohs Compliant: YES
• Battery Capacity: 1800mAh
• Battery Technology: Lithium
• Battery Voltage: 3V
• Battery Terminals: Connector
• Weight: 0.12lb

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Modicon
automation platform
Concept
Quantum CPUs that are compatible with Concept or ProWORX software are
single-slot PLCs with built-in executive memory, application memory and
communication ports. With the memory components on-board, you do not need
extra chips or cartridges for configuration.
Quantum CPUs use flash memory technology to support the CPU's executive
memory and instruction set. Flash is a state-of-the-art, non-volatile memory
technology that enables field upgrades by downloading files over the Modbus
Modbus Plus
The CPUs store the application program in battery-backed RAM. This battery is
located on the front of the module and can be replaced while the CPU is running.
To protect the application program from inadvertent changes during operation, the
processors feature a memory-protect slide switch. An LED goes on when this switch
is activated.
For math-intensive applications, a math coprocessor is available on select CPU
models. The coprocessor significantly improves execution times for the 984 Process
Control Function Library (PCFL) and Equation Editor, as well as math operations in
the IEC languages. Improved floating point execution times mean more power for
processing process algorithms and math calculations.
PLC write protection minimizes the possibility of a programmer inadvertently writing
from a source PLC to a memory area in a destination PLC . Whatever data is not
enabled is prevented from writing, both locally and over the network. This data
protection option helps to ensure security against data transfer errors.
CPUs support Modbus
switches on the back of the modules are used to define the network address of the
Modbus Plus
address in the range 1...64. Modbus
of data bits, number of stop bits, protocol and Slave address. By default, these
settings are 9600 bps, even parity, 8 data bits, 1 stop bit, RTU mode and address 1.
A switch on the front of the CPUs can be used to configure the Modbus
modem communication interface (2400 bps, even parity, 7 data bits, 1 stop bit,
ASCII mode and address 1).
The 140 CPU 434 12A and 140 CPU 534 14B processors have 2 serial Modbus
ports:
b
b
Presentation
Flash-based executive memory
Memory backup and protection
Math coprocessor
Write protection
Communication ports
Modbus
Modbus
®
®
port 1, with full modem interfacing ability
port 2, with RTS/CTS flow control (does not support modem connection)
™
™
™
port as new features and maintenance updates become available.
port(s). Each device on a Modbus Plus
/ProWORX
®
®
or Modbus Plus
Quantum
®
™
port settings include: baud rate, parity, number
™
standard CPUs
networking strategies. Simple rotary
™
™
network must have a unique
®
port as a
®
or
®