Yaskawa Sigma-5 User Manual: Operation of Digital Operator - Manual (Page 15)

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(3) Suitability for Use
1. It is the customer’s responsibility to confirm conformity with any standards,
codes, or regulations that apply if the Yaskawa product is used in combination
with any other products.
2. The customer must confirm that the Yaskawa product is suitable for the systems,
machines, and equipment used by the customer.
3. Consult with Yaskawa to determine whether use in the following applications is
acceptable. If use in the application is acceptable, use the product with extra
allowance in ratings and specifications, and provide safety measures to minimize
hazards in the event of failure.
• Outdoor use, use involving potential chemical contamination or electrical
interference, or use in conditions or environments not described in product
catalogs or manuals
• Nuclear energy control systems, combustion systems, railroad systems, avia-
tion systems, vehicle systems, medical equipment, amusement machines, and
installations subject to separate industry or government regulations
• Systems, machines, and equipment that may present a risk to life or property
• Systems that require a high degree of reliability, such as systems that supply
gas, water, or electricity, or systems that operate continuously 24 hours a day
• Other systems that require a similar high degree of safety
4. Never use the product for an application involving serious risk to life or property
without first ensuring that the system is designed to secure the required level of
safety with risk warnings and redundancy, and that the Yaskawa product is prop-
erly rated and installed.
5. The circuit examples and other application examples described in product catalogs
and manuals are for reference. Check the functionality and safety of the actual
devices and equipment to be used before using the product.
6. Read and understand all use prohibitions and precautions, and operate the
Yaskawa product correctly to prevent accidental harm to third parties.
(4) Specifications Change
The names, specifications, appearance, and accessories of products in product cata-
logs and manuals may be changed at any time based on improvements and other rea-
sons. The next editions of the revised catalogs or manuals will be published with
updated code numbers. Consult with your Yaskawa representative to confirm the
actual specifications before purchasing a product.