Improvement Of Interference Immunity; Connecting Sitrans Lr500 Series; Wiring Instructions - Siemens SITRANS LR500 Series Operating Instructions Manual

Connecting
6.2 Connecting SITRANS LR500 series
6.1.4

Improvement of interference immunity

Note
Improvement of interference immunity
• Lay signal cables separate from cables with voltages > 60 V.
• Use cables with twisted wires.
• Keep device and cables at a distance from strong electromagnetic fields.
• Take account of the conditions for communication specified in the Technical specifications
(Page 169).
Note
Conduit seals
Use appropriate conduit seals to maintain applicable IP and NEMA ratings.
Note
DC input terminals
The DC input terminals shall be supplied from a source providing electrical isolation between the
input and output, in order to meet the applicable safety requirements of IEC 61010-1. For
example, SELV source.
Note
All field wiring must have insulation suitable for rated voltages.
6.2

Connecting SITRANS LR500 series

6.2.1

Wiring instructions

Note
Initial connection when display ordered separately from the device
Only follow the display wiring instructions if the display is ordered separately from the device.
The display is connected when ordered at the same time as the device.
1. To remove lid from the device, turn by hand in a counter-clockwise direction.
2. Strip cable jacket for approximately 70 mm (2.75 inch) from end of cable, and thread wires
through gland.
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SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA