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CENTUM Sustainability

Driving Sustainability Through CENTUM

Sustainability imageSustainability image

Yokogawa has established its "Three Goals" for sustainability, aiming to help realize a sustainable society by 2050.
These goals focus on achieving net-zero emissions (stopping climate change), promoting well-being (quality life for all),
and advancing a circular economy (circulation of resource and efficiency).
Yokogawa is actively transforming its business as it works toward these objectives.

Areas where Yokogawa contributes to the Three Goals: Net-zero emissions, Well-being, and Circular economy - Improving efficiency in society and industry, Optimizing plant lifecycle and protecting the environment, Improving health and safety, Creating a resource-recycling ecosystem, Creating workplaces where people can fulfill their potential, Achieving carbon neutrality
  • Net-zero emissions icon

    Net-zero emissions

    Through the introduction of renewable energy and more efficient energy usage, we aim to achieve "Net-zero" (a state in which GHG concentrations in the atmosphere do not increase), in which a balance is maintained between greenhouse gas (GHG) emissions and absorption.
    In addition, we will also address issues such as reducing damage caused by natural disasters and biodiversity.

  • Well-being icon

    Well-being

    Ensuring safe operations by minimizing the risk of accidents and cyberattacks, thereby protecting both personnel and plant assets at the customer’s facility.
    Supporting the plant’s long-term, optimal operation by adapting to changes in the customer’s business environment.

  • Circular economy icon

    Circular economy

    We aim to create a social framework and ecosystem in which various resources are recycled without waste and assets are utilized effectively.
    Minimizing waste by extending the operational life of systems and reducing the need for frequent replacements.
    Promoting efficient resource use by actively incorporating recyclable raw materials and components.

Trusted Green

Guided by its sustainability policy, the "Three Goals," Yokogawa has established "Trusted Green" as a sustainability guideline that considers the entire supply chain and life cycle of its products.

"Trusted Green" is built on the following three pillars:

  • 1.Providing highly reliable products
  • 2.Reducing the environmental footprint over
    the entire product life cycle
  • 3.Building a circular ecosystem
Trusted Green image

Key Categories and Framework for
Achieving "Trusted Green"

To continuously reduce environmental impact, starting in FY25 we expanded our environmental design initiatives and established eight key categories along with an implementation framework.

Three Pillars of
"Trusted Green"		 Initiatives for Environmental
Contributions of Products
Providing highly reliable products

Extend Product Life

  • Longevity
    (Durability and Reliability)
  • Repairability
  • Maintainability
Reducing the environmental
footprint over the entire
product life cycle

Reduce Environmental Impact

  • Carbon Footprint
  • Use of Sustainable Materials
  • Environmental Risk Management
Building a circular ecosystem

Enhance Circularity

  • Lifecycle Management
  • Goal Setting and Governance

Initiatives throughout the CENTUM Lifecycle

For our DCS, we manage product environmental performance in line with this framework
and continue to make ongoing improvements to achieve "Trusted Green" in the future.

Diagram illustrating Yokogawa’s environmental contribution initiatives across the entire product lifecycle, highlighting the “Three Goals” (Well-being, Circular economy, Net-zero emissions) and the areas where Yokogawa contributes.

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Lifecycle Areas of focus Detail
Design 1 Carbon footprint Environmental harmonized product design leveraging Life Cycle Assessment (LCA)

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Procurement 2 Sustainable materials Responsibly sourced materials that reduce environmental impact

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Production - Environmental risk management Compliance with global environmental regulations —
3 Carbon footprint Continuous reduction of CO2 emissions in manufacturing

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Logistics 4 Carbon footprint Improved packaging design and materials for transportation

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Usage 5 Maintainability Functions and information that support maintenance

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- Repairability Improved repairability through replacement parts —
6 Longevity Long-term product performance and stability

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End of use - Lifecycle management Continuous enhancement of product disassembly -
The Entire Lifecycle - Reducing cyber security risk

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- Goal setting and management system —
Learn more See Yokogawa Electric's
sustainability efforts
Design / Carbon footprint

Environmental harmonized
 product design leveraging
 Life Cycle Assessment (LCA)

Reduction of GHG emissions through power-saving design
 changes to in-house hardware products

■ Main Activities Power supply Module: Reduced power consumption through design modifications CPU Module: Reduced power consumption by replacing the microprocessor I/O Module: Reduced power consumption by replacing ASICs* *Application Specific Integrated Circuit

Field control unit description
GHG emission ratio: I/O Module 50%, Power supply Module 29%, CPU Module 11%, Communication Module 10%

Reduced Power Consumption through Power Supply Module Design Improvements Since 2001, two major design revisions to the power supply module have significantly lowered power consumption.
*Thermal imaging has verified this improvement, showing a noticeable reduction in high-temperature (red) areas.

Reducing GHG emissions by improving the energy efficiency
 of peripheral devices and downsizing purchased PCs

■ Main Activities Reduction of DVD drive by providing software via download Transition from HDD to SSD Miniaturization and power optimization of CENTUM VP-specific PCI cards

diagram of Full-size Tower Workstations downsized into a Compact Workstation, achieving 29% power savingdiagram of Full-size Tower Workstations downsized into a Compact Workstation, achieving 29% power saving
Procurement
/ Sustainable materials

Responsibly sourced materials that reduce environmental impact

Yokogawa is helping to reduce environmental impact
 by using plant-based waste oil,
 rather than petroleum-derived oil,
 as a raw material in the manufacturing of CENTUM

■ Main Activities Consider the use of bioplastic for molded parts

bioplastic picture
Production / Carbon footprint

Continuous reduction of CO2 emissions in manufacturing

Achieving carbon neutrality by 2030*Yokogawa's GHG reduction targets for Scope1 and 2

Graph of GHG Emissions Reduction Target and Performance (Scope 1 and 2)Graph of GHG Emissions Reduction Target and Performance (Scope 1 and 2)

GHG Reduction Status at Yokogawa's System Product Manufacturing Sites (Scope 1 & 2)

Table of GHG Reduction Status at Yokogawa's System Product Manufacturing Sites (Scope 1 and 2)Table of GHG Reduction Status at Yokogawa's System Product Manufacturing Sites (Scope 1 and 2)
Logistics / Carbon footprint

Improved packaging design and materials for transportation

By shifting from shipping each product individually packaged
 to shipping them integrated into a cardboard cabinet,
 we reduce volumetric weight and thereby lower
 greenhouse gas emissions during transportation

■ Main Activities Developed a cardboard cabinet. GHG emissions reduced during transportation Enhanced efficiency and quality of on-site FAT/SAT operations, with decreased preparation time

comparison of individually packaged shipping and shipping integrated into a cardboard cabinet
Usage / Maintainability

Functions and information that support maintenance

RIO System UpgradeDesigned to upgrade the CENTUM CS RIO system originally released in the 1990s,
 this solution enables seamless migration to the latest CENTUM VP environment.
 By maximizing the reuse of existing infrastructure, including field wiring,
 it supports sustainability through reduced waste and resource consumption.

Dedicated cable can be reused; rewiring after disconnection from terminal block (XYZ coordinates compatible)Dedicated cable can be reused; rewiring after disconnection from terminal block (XYZ coordinates compatible)
Usage / Longevity

Long-term product performance and stability

By adopting solid-state batteries,
 electrolyte evaporation is prevented and
 battery life is significantly extended
 This eliminates the need for replacements under
 both room and high-temperature conditions,
 thereby reducing waste and minimizing environmental impact

■ Main Activities Aim to reduce component waste through the adoption of all-solid-state batteries

solid-state batteries picture
The Entire Lifecycle

Reducing cyber security risk

Delivering secure products
 by focusing on both functionality and development process

ISASecure SDLA certification Based on the international security standard IEC 62443-4-1, a third party has evaluated and certified that the product development organization implements a secure development process.

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ISASecure CSA certification and EDSA certification A third party has evaluated and certified that the product includes the security functions required for its target security level, based on IEC 62443-4-1 and IEC 62443-4-2.

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Supporting secure operations
 throughout the plant lifecycle

Comprehensive support is provided—from cyber risk analysis in the customer's plant, to planning countermeasures, implementing solutions, and maintaining secure operations. Services are aligned with national and industry regulations and are applicable to both greenfield and brownfield environments.

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A dedicated security lab has been established to verify the interoperability of various products. This ensures both high availability of plant operations and robust cybersecurity measures.

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