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WI-GTWY-9-xxx Wireless Gateway
User Manual V1.18
5
Important Notice
Weidmuller, Inc.’s products are designed to be used in industrial environments, by experienced
industrial engineering personnel with adequate knowledge of safety design considerations.
Weidmuller, Inc. radio products are used on unprotected license-free radio bands with radio noise
and interference. The products are designed to operate in the presence of noise and interference,
however in an extreme case, radio noise and interference could cause product operation delays or
operation failure. Like all industrial electronic products, Weidmuller, Inc.’s products can fail in
a variety of modes due to misuse, age, or malfunction. We recommend that users and designers
design systems using design techniques intended to prevent personal injury or damage during
product operation, and provide failure tolerant systems to prevent personal injury or damage in
the event of product failure. Designers must warn users of the equipment or systems if adequate
protection against failure has not been included in the system design. Designers must include
this Important Notice in operating procedures and system manuals.
These products should not be used in non-industrial applications, or life-support systems, without
consulting Weidmuller, Inc. first.
1.
For WI-GTWY-9-xxx modules, a radio license is not required in most countries,
provided the module is installed using the aerial and equipment configuration described
in the WI-I/O 9-x
Installation Guide.
Check with your local WI-GTWY-9-xxx
distributor for further information on regulations.
2.
For WI-GTWY-9-xxx modules, operation is authorized by the radio frequency regulatory
authority in your country on a non-protection basis. Although all care is taken in the
design of these units, there is no responsibility taken for sources of external interference.
The WI-I/O 9-x intelligent communications protocol aims to correct communication
errors due to interference and to retransmit the required output conditions regularly.
However some delay in the operation of outputs may occur during periods of interference.
Systems should be designed to be tolerant of these delays.
3.
To avoid the risk of electrocution, the aerial, aerial cable, serial cables and all terminals of
the WI-GTWY-9-xxx module should be electrically protected. To provide maximum
surge and lightning protection, the module should be connected to a suitable earth and the
aerial, aerial cable, serial cables and the module should be installed as recommended in
the Installation Guide.
4.
To avoid accidents during maintenance or adjustment of remotely controlled equipment,
all equipment should be first disconnected from the WI-I/O 9-x module during these
adjustments. Equipment should carry clear markings to indicate remote or automatic
operation. E.g. "This equipment is remotely controlled and may start without warning.
Isolate at the switchboard before attempting adjustments."
5.
The WI-GTWY-9-xxx module is not suitable for use in explosive environments without
additional protection.