Siemens SITRANS LR460 HART Operating Instructions Manual page 30

Connecting PROFIBUS PA
Typical PLC/mA configuration with PROFIBUS PA
Class 1
PLC
Master
DP/PA
Coupler
SITRANS
LR460
(Continued from
3. Connect the earth conductor of the power supply to the earth terminal
metal bracket inside the enclosure. Adjust the cable length so that the earth
conductor would be last to disconnect if cable is pulled.
4. Tighten the cable gland and check the strain relief (pull and turn).
5. Replace the enclosure cover and hand tighten it. The sealing ring must be clean and
undamaged.
6. Tighten the screw on the cover lock.
7. Connect the external earth terminal located
between the cable glands to a ground
connection at your vessel. Use a cable with
a cross-section of 2.5 mm
Page 24
PROFIBUS DP
PROFIBUS PA
SITRANS
LR460
Connecting SITRANS LR460
2
or greater.
SITRANS LR460 – INSTRUCTION MANUAL
Class 2
Master
PDM
HART
SITRANS
LR460
on page 21, step 2.)
ET200
on the
cable
glands
earth
(ground)
terminal
A5E42035355