Siemens SITRANS LR250 Operating Instructions Manual page 46

Connecting
5.2 Connecting SITRANS LR250
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/)
Basic PLC configuration with PROFIBUS PA
①
②
③
44
Active PLC
PROFIBUS DP
PC/laptop
④
DP/PA coupler
⑤
PROFIBUS PA
⑥
SITRANS LR250 (PROFIBUS PA)
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC