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PWDXXA-40X_20 5715-677 UK.indd 26.01.17
Electronic for proportional DC valves
Series PWDXXA-40X
Operation Manual
Parker Hannifin Corporation
Hydraulics Group
Parker Hannifin Corporation
Hydraulics Group
3.2. Common instructions
We reserve the right of technical modifications of
the described product. Illustrations and drawings
within this manual are simplified representations.
Due to further development, improvement and
modification of the product, the illustrations might
not match precisely with the described valve. The
technical specifications and dimensions are not
binding. No claim may resulting from it. Copyrights
reserved.
3.3. Liability
The manufacturer does not assume liability for
damage due to the following failures:
• incorrect mounting / installation
• improper handling
• lack of maintenance
• operation outside the specifications
Do not disassemble the electronics! In case
of suspicion for a defect please return the unit
to the factory.
3.4. Storage
In case of temporary storage the electronics must
be protected against contamination, atmospheric
exposure and mechanical damages.
2. Safety instructions
Please read the operation manual before installa-
tion, startup, service, repair or stocking! Paying no
attention may result in damaging the electronics or
incorporated system parts.
2.1. Symbols
This manual uses symbols which have to be fol-
lowed accordingly:
Instructions with regard to the warranty
Instructions with regard to possible dam-
aging of the electronics or linked system
components
Helpful additional instructions
2.2. Marking, name plates
Instructions applied on the electronics, i.e. wiring
diagrams and name plates, must be observed and
maintained legibly.
2.3. Work at the electronics
Working in the area of installation and commis-
sioning of the electronics may only be allowed
by qualified personnel. This means persons who
due to education, experience and instruction, have
sufficient knowledge of relevant directives and ap-
proved technical rules.
3. Important details
3.1. Intended usage
This operation manual is valid for module elec-
tronics PWDXXA-40X series. Any use diverging
or going beyond is deemed to be as not intended.
The manufacturer is not liable for warranty claims
resulting from this.
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