D124.1S2-Manual_EN_Rev03
Installation
Safety Notes
This instrument has been designed and inspected according to stand-
ards DIN 57 411 / VDE 0411Sect 1, and IEC 348. Observe these
instructions and wiring diagrams carefully, to ensure this protection.
The installation must only be done by adequately qualified personnel.
General Instructions
Specifically, connect the ground terminal of the instrument to a safe
ground potential.
Do not open the instrument. Connections and all programming are
done from outside. When removing it from its enclosure however,
from whatever reason, make sure that power is switched off.
The instrument may be installed in any position, but not in the imme-
diate neighborhood of interfering sources.
Signal leads must be carefully shielded, and should not be run in
bundles with power or relay control leads.
The ground terminal (PE) is internally separated from common zero,
but tied by a 100 k resistor to it.
EMI
The unit complies with all relevant regulations, as determined by the
Policy of the European Committee for Electrotechnical Standardiza-
tion (CENELEC), for the Electromagnetic Compatibility
(89/336/EWG). Testing and inspection has been performed according
to Standards DIN-EN 50081-2 and DIN-EN 50082-2 with status No-
vember 1994. Thereby, the product meets all requirements to be
marked by the CE sign.
Strict observance of these instruction during installation and use is an
indispensable precondition hereto. Specifically to be observed:
Terminals must be kept off all undue access;
power supply and all input and output leads must be protected against
voltage interference, higher than specified operation data, and they
must be protected against electrostatic discharge.
General information and instruc-
tions to installation and wiring.
See last pages for specific wiring
diagrams and dimension sheet.
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General