Fiessler ESPE Type 4, Руководство по эксплуатации

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4.2.4 Distance from reflective surfaces
To prevent the avoidance and non-
detection of an obstacle due to
reflecting objects, the
ULVT safety light barrier
must be assembled with
a minimum distance a
(
Fig. 13/1
) from the
reflective object.
The minimum distance a can be
established from the table:
4.2.5 Arrangement of two ULVT... safety light barriers
To eliminate the mutual clashing of
two ULVT... safety light barriers, the
following must be observed when
arranging two light barriers
:
FIESSLER
E L E K T R O N I K
13
Installation range in m Up to 3 4 5 6 7
Distance a in mm 130 175 219 262 306
Empfänger
Sender Empfänger
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Sender Empfänger
Sender Empfänger
Sender Empfänger Sender
Empfänger Sender
4 Installation
- Construction requirements
Fig. 13/1 Distance from reflective surfaces
Fig. 13/2 Arrangement of 2 light barriers
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max. 5o
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a
max. 5o
Hazardous area
Reflective object
(e.g. container)
ULVT receiver
ULVT transmitter
Approach direction
Interrupted beam
Central beam
Contain
er
BA - ULVT
Receiver Transmitter
Receiver Transmitter
Receiver Transmitter
Transmitter Receiver
Receiver Transmitter
Receiver Transmitter