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NI cDAQ-9181/9184/9188/9191 User Manual
Safety Guidelines
Caution
Do
not
operate the NI cDAQ-9181/9184/9188/9191 chassis in a manner
not specified in these operating instructions. Product misuse can result in a hazard.
You can compromise the safety protection built into the product if the product is
damaged in any way. If the product is damaged, return it to National Instruments for
repair.
Note
Because some C Series modules may have more stringent certification
standards than the NI cDAQ-9181/9184/9188/9191 chassis, the combined system
may be limited by individual component restrictions. Refer to the specifications
document for your cDAQ chassis for more details.
Hot Surface
This icon denotes that the component may be hot. Touching this
component may result in bodily injury.
Electromagnetic Compatibility Guidelines
This product was tested and complies with the regulatory requirements and limits for
electromagnetic compatibility (EMC) stated in the product specifications. These requirements
and limits provide reasonable protection against harmful interference when the product is
operated in the intended operational electromagnetic environment.
This product is intended for use in industrial locations. However, harmful interference may
occur in some installations or when the product is connected to a peripheral device or a test
object. To minimize interference with radio and television reception and prevent unacceptable
performance degradation, install and use this product in strict accordance with the instructions
in the product documentation.
Furthermore, any modifications to the product not expressly approved by National Instruments
could void your authority to operate it under your local regulatory rules.
Caution
To ensure the specified EMC performance, operate this product only with
shielded cables and accessories.
Caution
To ensure the specified EMC performance, the length of any I/O cable
connected to a BNC PFI port must be no longer than 30 m (100 ft).
Caution
To ensure the specified EMC performance, do not connect the power input
to a DC mains supply or to any supply requiring a connecting cable longer than 3 m
(10 ft). A DC mains supply is a local DC electricity supply network in the
infrastructure of a site or building.