Siemens Sitrans WM100 Manuale di istruzioni per l'uso - Pagina 8
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Installation
WARNING: The probe face is magnetic. Keep it away from
magnetosensitive materials such as computer discs and audio or
video tapes.
WARNING: All field wiring must have insulation suitable for at least
250 V and the maximum ambient temperature of +60°C (+140 °F).
Notes:
•
The Protective Earth Terminal indicated by (
ground.
•
All wiring must be done by qualified personnel in accordance with all governing
regulations.
•
The equipment must be protected by a 15 A fuse or circuit breaker in the building
installation.
•
A circuit breaker or switch in the building installation, marked as a disconnect
switch, shall be in close proximity to the equipment and within easy reach of the
operator.
•
Relay contact terminals are for use with equipment which has no accessible live
parts and wiring which has insulation suitable for at least 250 V.
Environment
The WM100 must be mounted in an area that is non-hazardous, within the ambient
temperature range and non-corrosive to the materials of construction. Refer to
Dimensions for materials of construction.
The probe should be mounted using the supplied mounting flange, onto a vibration free
structure. The gap between the probe and the target should be sufficient such that there
is no danger of the target damaging the probe. The maximum allowable gap ranges from
20 mm to over 100 mm from the face of the target to the face of the probe. The range is
dependent on the target type and range of speed expected. See typical performance
graphs on page 9 for examples.
Page 4
up to 100 mm (4")
maximum gap
SITRANS WM100 – OPERATING INSTRUCTIONS
) must be connected to reliable
PETE FROGGATT
NOV/08/90
G1000163
7ML19985MW01