8 Electro-pneumatic positioner TZID 42/18-54 EN
1.2.3 Electrical safety
!
WARNING
• Observe the common VDE safety regulations and the accident preven-
tion rules of the Employers Liability Insurance Association.
• Observe the common standards and safety regulations for the installa-
tion and operation of electrical systems.
• When connecting the device, observe all electrical specifications in
these operating instructions or in the data sheet.
• For the electrical installation of explosion-protected devices, observe all
standards, regulations and directives governing explosion protection
and applicable for the construction and use of explosion-protected sys-
tems, especially the DIN/VDE directives, the directives for explosion
protection (VDE 0165 or EN 60079), and the special requirements and
specifications for your devices (see the following chapter "Explosion
protection" and chapter “Certificates”).
• Explosion-proof devices may only be supplied with safe extra-low vol-
tage (SELV) according to EN 60 950.
!
NOTICE
Electromagnetic interference
• Do not lay signal lines close to power lines. Power lines produce inter-
ference in their near vicinity, which may affect measured value trans-
mission on the signal line.
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