Single loop controllers are used in a variety of industrial facilities such as power plants, oil refineries, petrochemical plants, chemical plants, and iron and steel plants. These controllers receive temperature, flow rate, pressure, and other types of measurement readings from sensors and send corresponding instructions to control elements such as valves in order to maintain these values within a desired range. Each control loop has its own controller. Single loop controllers are widely used in industry today to control small plant facilities and serve as back-ups to distributed control systems.
The YS1700 Programmable Indicating Controller can be tailored for various applications by running a user program, and offers high reliability thanks to Yokogawa's proprietary technology, user friendliness, and expandability.
The YS1500 Indicating Controller incorporates fundamental control functions required for PID control. Necessary functions can be selected in accordance with the user's purpose.
The YS1350 is a manual setter that allows for manually outputting setting signals to controllers and the like. The YS1360 is a manual setter that allows for manually outputting operation signals to operation terminals.
The YS1310 Indicator with Alarms is an input indicator that has alarms with two inputs. Two loops can be displayed simultaneously. A high limit alarm, low limit alarm, high-high limit alarm, and low-low limit alarm can be generated for each of the two inputs, and the AND connection or OR connection of arbitrary alarms can be output from a total of 6 contacts.
If a YS1360, YS136, YS1500, YS150, YS1700, or YS170 instruments fails, the YS110 Standby Manual Station can be used to output a 4 to 20 mA signal to the control valve actuator instead of the instruments.
The YSS1000 setting software (hereinafter referred to as the YSS1000) is package software to configure the functions of the YS1000 series (hereinafter referred to as the YS1000) devices.
YS80 Series Rack Instruments
The Style R and Style S models have completely interchangeable I/O specifications, terminal arrays and shapes. They can be replaced with the latest devices just by replacing the internal instruments, leaving the wiring intact.
YS80 Series Auxiliary Units
It is a highly reliable YS80 series auxiliary units with abundant operation results since its release in 1981.
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Continuous technology improvement is ongoing in the pulp & paper industry to obtain the best possible performance. The improved plant performance translates to the higher quality improvement and lower cost, and simultaneously environmental friendly plant operation.
Automated control of industrial boilers is an excellent application for YS1700 microprocessor-based loop controllers. These instruments can be programmed to perform the operations of plant master, boiler master, fuel and air control with oxygen trim and drum level/feedwater control.
In process control it is not uncommon for systems to be affected by dead times, due to material transfer times. This is evident typically in pipelines. A fluid of density ρ and flow rate w in a section of pipe A the length of d takes the amount of time τ = ρAd/w to cover the whole distance (see Figure 1).
The YSS1000 setting software (hereinafter referred to as the YSS1000) is package software to configure the functions of the YS1000 series (hereinafter referred to as the YS1000) devices. Writing and reading of parameters and user programs of the YS1000, and PID tuning and monitoring of user programs can be performed through the use of communication.
Persbericht jun 13, 2014
Yokogawa Enhances YS1000 Series Single Loop Controllers
- Improved display that is easier to read and maintain -
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