Leuze electronic OMS2/120 PB, Техническое описание

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Safety #Leuze electronic
#Leuze electronic GmbH + Co KG, Postfach 11 11, D-73277 Owen/Teck, In der Braike1, D-73277 Owen/Teck, Tel. ++49 (0)7021/5730, Fax ++49 (0)7021/573199
Page 6 of 28 LZ - ELE - BA - GB - 0006 - 06 Date: 01.12.2004
1.2.1 Hints on installation
Since the Laser Measuring Device is normally used as part of a larger system, these
hints are merely intended as a guide for integrating the device safely into its
environment.
Warning
•
During the operation of the Laser Measuring Device it isn't allowed to interrupt the
laser beam. If it comes nevertheless to an interruption, at the restart of the
automatic operation mode first the validity (plausibility) of the measured value has
to be checked.
•
Precautionary measures must be taken to allow an interrupted program to be
properly resumed following a voltage drop or failure. Dangerous operating
conditions must not be permitted to arise even for short periods. If necessary, an
"EMERGENCY STOP" must be forced.
•
EMERGENCY STOP devices according to EN 60204/IEC 204 (VDE 0113) must
remain operational in all operating modes of the programmable controller. The
release of the EMERGENCY STOP devices must not trigger an uncontrolled or
undefined reactivation of the equipment.
•
The safety and accident prevention regulations applicable to the specific
application must be observed.
•
In the case of permanently installed plants or systems without an all-pole mains
switch and/or fuses, one of these devices must be installed accordingly and the
equipment connected to a PE conductor.
•
In the case of 24 V supplies, make sure the extra-low voltage is reliably
disconnected. Only use power supply units manufactured to the standards
IEC 364 - 4 - 41 / HD 384.04.41 (VDE 0100 Part 410).
•
Fluctuations or deviations of the supply voltage from the nominal value must not
exceed the tolerance limits stated in the specifications, otherwise operational
failures and dangerous states in the electrical assemblies cannot be ruled out.
•
Connecting and signal wires must be installed in such a way as to prevent the
automation functions from being hampered by inductive and capacitive
interference.
•
The units of the automation system and their operating elements must be installed
in such a way as to ensure adequate protection against accidental actuation.
•
In order to prevent a wire or strand breakage on the signal side from causing
undefined states in the programmable controller, suitable hardware and software
safety precautions must be taken with regard to the I/O interface.