About this document Cerabar PMP21 IO-Link
4 Endress+Hauser
1 About this document
1.1 Purpose of this document
These Operating Instructions contain all the information that is required in the various
phases of the life cycle of the device: from product identification, incoming acceptance and
storage, to mounting, connection, operation and commissioning through to
troubleshooting, maintenance and disposal.
1.2 Symbols
1.2.1 Safety symbols
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Protective earth (PE)
Ground terminals, which must be grounded prior to establishing any other connections.
The ground terminals are located on the inside and outside of the device.
Ground connection
Grounded clamp, which is grounded via a grounding system.
1.2.3 Tool symbols
Open-ended wrench
1.2.4 Symbols for certain types of Information
Permitted
Procedures, processes or actions that are permitted.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information
Reference to documentation
,
,
Series of steps
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