Westinghouse Ovation Digital I O Module 1C31116G03 Analog Input PLC
Product Details
Emerson 1C31122G01
Description: Remote I/O
Model Number: 1C31122G01
Category: Other
Warranty: 12 months
Delivery Options: Standard, Express, Same Day & Next Day
options available
Westinghouse DCS system description:
DCS is abbreviation of Distributed Control System, which is called
Distributed Control System in China's domestic automatic control
industry. It is a multi-level computer system composed of process
control level and process monitoring level as the link of
communication network. It integrates computer Computer,
Communication, CRT and Control 4C technology. The so-called
distributed control system, or in some information called the
distributed system, is a new type of computer control system
relative to the centralized control system, which is based on the
centralized control system developed, evolved Come on. It is a
multi-level computer system composed of process control level and
process monitoring level with communication network as the link,
which integrates 4C technology such as computer, communication,
display and control. Its basic idea is decentralized control,
centralized operation, hierarchical management, Configuration
flexibility and configuration convenience. In terms of system
functions, DCS and centralized control system is not very
different, but in the realization of system functions are
completely different, first of all, DCS skeleton - system network,
which is the basis and core DCS. As the network for the DCS
real-time system as a whole, reliability and scalability, plays a
decisive role, so all manufacturers are carefully designed in this
regard. For the DCS system network, it must meet the real-time
requirements, that is, within a certain time limit to complete the
transfer of information. The "definite" time limit here means that
in any case, the transmission of information can be completed
within this time limit, which is determined according to the
real-time requirements of the controlled process. Therefore, the
indicator that measures the performance of the system network is
not the rate of the network, commonly referred to as the number of
bits per second (bps), but the real-time nature of the system
network, that is, how long to ensure that the required information
is transmitted . The system network must also be very reliable, in
any case, network communication can not be interrupted, so most
manufacturers are DCS dual-bus, ring or dual star network topology.
In order to meet the requirements of system expansion, the maximum
number of nodes that can be accessed on the system network should
be several times larger than the actual number of nodes. In this
way, on the one hand, new nodes can be added at any time, and on
the other hand, the system network can be operated at a light
communication load to ensure the real-time and reliability of the
system. In actual operation of the system, the access to and access
to the Internet at various nodes may happen at any time, especially
the operator station. In this way, the network reconfiguration will
be carried out frequently, and this operation absolutely can not
affect the normal operation of the system. Therefore, the system
The network should have strong online network reconfiguration
capabilities.
Westinghouse DCS system features:
Centralized management
Scattered control
High reliability
Openness
Flexible configuration
Configuration is convenient
Flexible control
Similar models:
1C31116G04 | 1C31122G01 | 1C31125G01 |
1C31125G02 | 1C31125G03 | 1C31129G01 |
1C31129G02 | 1C31129G03 | 1C31129G04 |
1C31129G05 | 1C31132G01 | 1C31142G01 |
1C31147G01 | 1C31147G02 | 1C31150G01 |
1C31150G02 | 1C31150G03 | 1C31157G01 |
Westinghouse DCS distributed control system applications:
Thermal power plant, petrochemical, chemical, steel, metallurgy,
nuclear power and other industries
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