Siemens SITRANS L Series Compact Operating Instructions page 31

Wiring instructions
1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and
thread the wires through the gland. (If cable is routed through conduit, use only approved
suitable-size hubs for waterproof applications.)
2. Connect the wires to the terminals as shown: SITRANS LR250 (PROFIBUS PA) is not
polarity sensitive.
3. Ground the device according to local regulations.
4. Tighten the gland to form a good seal.
5. Close the lid and secure the locking screw before programming and device configuration.
Note
Lid-lock set screw not applicable to 3-A Sanitary approved device.
Note
• PROFIBUS PA cable shield must be terminated at both ends of the cable for it to work
properly.
• If a Weidmüller or other current limiting junction box is connected to this device, please
ensure that the current limit is set to 40 mA or higher.
• Please refer to the PROFIBUS PA User and Installation Guidelines (order number 2.092)
for information on installing PROFIBUS devices at:
PROFIBUS PA (http://www.profibus.com/)
SITRANS LR250 with PROFIBUS PA
Compact Operating Instructions, 11/2019, A5E48453206-AA
Connecting
5.2 Connecting SITRANS LR250
31