Siemens SITRANS L Operating Instructions Manual page 38

Connecting
5.2 Connecting SITRANS LR250
6. Ground the device according to local regulations.
7. Tighten the gland to form a good seal.
8. 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
• Foundation Fieldbus (H1) must be terminated at both extreme ends of the cable for it to
work properly.
• For optimum EMC protection, it is recommended that the FF H1 cable shield be connected
to ground at every node.
• Please refer to the Foundation Fieldbus System Engineering Guidelines (AG-181) Revision
2.0, for information on installing FF (H1) devices available from:
Foundation Fieldbus (http://www.fieldbus.org/)
• 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.
Basic Configuration with Foundation Fieldbus (H1)
Configuration via Gateway
①
②
③
④
38
Controller
FF (HSE)
Configurator software
PC/laptop
⑤ Rosemount 3420 HSE/H1Gateway
⑥ FF (H1)
⑦ LR250 FF
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH