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YOKOGAWA

Yokogawa Electric Corporation

Step2: Control Valve and Control Loop Diagnostics

Have you been looking for a more effective approach to control valve and control loop maintenance?

Checking control valves can be time consuming, and it can be very difficult to uniformly monitor the condition of devices from multiple vendors. Monitoring control loops spread out over a wide area can be difficult, and it can take a considerable amount of time to pinpoint the bad actors.
We provide the combined diagnostics of control valves and control loops with the monitoring of sensors which makes it easy to identify problems occurring over a wide area.

Detecting and resolving issues to stabilize operations at your plant

  • Our control loop and control valve diagnostics help address problems that destabilize measurement and control.
  • An effective alarm management ensures that the right information is delivered to the right person at the right time so that proactive maintenance steps can be taken.

Our Services

Controllability trend data<br>(daily/weekly/monthly)

Controllability trend data
(daily/weekly/monthly)

1. Control valve and control loop monitoring
Daily/weekly/monthly controllability trend data can be monitored online, allowing operators to quickly make predictions and take remedial actions.


2. Trend monitoring and prediction
Control valve and control loop diagnostics help identify the root causes of instability in control loops.


3. Root cause analysis
Control valve and control loop diagnostics help identify the root causes of instability in control loops.


The Benefits

(Upper) Controllability deviation trend<br>(Lower)  Average valve movement

(Upper) Controllability deviation trend
(Lower) Average valve movement

1. Spot hidden problems

  • Never again overlook the signs of an unstable control loop.

2. Improved asset reliability

  • Minimize failures by carrying out tuning and preventive maintenance.
  • Reduce energy consumption and maintenance costs.

3. Accurate and effective maintenance planning

  • Sophisticated diagnostics give you a quick and accurate grasp of device conditions.
  • It is easy to determine what remedial steps must be taken.

Case Study: Thai Acrylic Fibre Co., Ltd.

TAF Plant

TAF Plant

InsightSuiteAE has been continuously monitoring the entire dryer section of the plant. The average temperature set point was found to be maintained at 6% higher and the maximum control valve movement was observed to be 12%.

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Free Plant Analysis

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