Siemens sitrans LU01 - Manual (Page 15)

7ML19985BE02 SITRANS LU01 – INSTRUCTION MANUAL Page 9
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Installation
Installation shall only be performed by qualified personnel, and in accordance with local
governing regulations.
The following procedure applies to all SITRANS LU01 level monitor installations. See
Application Examples on page 89 for additional installation requirements. Also, refer to
the instruction manuals of all other equipment connected to the SITRANS LU01 for
additional installation instructions.
SITRANS LU01
Location
Recommended
• Ambient temperature is always within -20 to 50 °C (-5 to 122 °F)
• SITRANS LU01 display window is at shoulder level, unless most interaction is
through a SCADA system
• Easy access for hand programmer is provided
• Cable length requirements are minimal
• Mounting surface is free from vibration
• Leave sufficient room to swing unit lid open and have clear access.
• A place for a laptop computer is provided for on-site Dolphin Plus configuration
Avoid
• Exposure to direct sunlight. (Provide a sun shield to avoid direct sunlight.)
• Proximity to high voltage/current runs, contacts, SCR or variable frequency motor
speed controllers
Cable/Conduit Entry Requirements
Enclosure cable/conduit entries may be required for:
• Transducers
• TS-3 temperature sensor (if used)
• mA output (if used)
• Relays (if used)
• Synchronization (see Interconnection/Level System Synchronization)
• Power
• Communications: SmartLinx, RS-485, RS-232, bipolar.
Note: Transducer cables must be run in a grounded metal conduit, separate from
other wiring, (except TS-3 temperature sensor wiring, if applicable).