Improper Device Modifications; Requirements For Special Applications; Use In Hazardous Areas - Siemens SITRANS L Series Compact Operating Instructions

2.2

Improper device modifications

Improper device modifications
Risk to personnel, system and environment can result from modifications to the device,
particularly in hazardous areas.
• Only carry out modifications that are described in the instructions for the device. Failure
2.3

Requirements for special applications

Due to the large number of possible applications, each detail of the described device
versions for each possible scenario during commissioning, operation, maintenance or
operation in systems cannot be considered in the instructions. If you need additional
information not covered by these instructions, contact your local Siemens office or company
representative.
Note
Operation under special ambient conditions
We highly recommend that you contact your Siemens representative or our application
department before you operate the device under special ambient conditions as can be
encountered in nuclear power plants or when the device is used for research and
development purposes.
2.4

Use in hazardous areas

Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous
area must have the following specific qualifications:
● They are authorized, trained or instructed in operating and maintaining devices and
systems according to the safety regulations for electrical circuits, high pressures,
aggressive, and hazardous media.
● They are authorized, trained, or instructed in carrying out work on electrical circuits for
hazardous systems.
● They are trained or instructed in maintenance and use of appropriate safety equipment
according to the pertinent safety regulations.
SITRANS LR250 with PROFIBUS PA
Compact Operating Instructions, 11/2019, A5E48453206-AA
WARNING
to observe this requirement cancels the manufacturer's warranty and the product
approvals.
Safety information
2.2 Improper device modifications
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