990XCP98000 SQUARE D, 990XCP98000 Datasheet - Page 22
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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
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Modicon
automation platform
Safety architectures
The following functions are available for high availability, in maintenance mode and
safety mode:
High availability
Role exchange
Role exchange by EFB
Key switch
Different logic
OS loading
Application transfer
Safety I/O modules can be used in a redundant way to increase control system
availability.
Schneider Electric
with redundant modules.
The state of the modules is available in system words that can be made available to
operators and maintenance personnel to inform them in case a module is inoperative
and must be exchanged.
To increase a system's availability, Schneider Electric recommends using different
remote I/O racks for redundant I/O modules.
2 different sensors must be used for high availability safety analog inputs and each
must be connected to a different input channel.
It is advisable to locate these 2 input channels on different analog input modules.
Block diagram:
Function block S_AISIL2 can be used for selecting data from the 2 redundant analog
inputs and to supervise the state of the inputs.
Sensor
Sensor
High availability functions
Function
Safety I/O modules in high availability configurations
Analog input modules
®
offers function blocks for supervising the state of a configuration
®
Quantum
Maintenance mode
Yes
Yes
–
Yes
Yes
Yes, if secondary PLC is in
stop mode and disconnected
Yes
AI
AI
™
Safety mode
Yes
Yes
Yes
Yes
–
–
Yes, via CPU keyboard
CPU
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