
mmmmm Wirng
HART wiring
Note: LR 460 HART requires no power from the
Install in accordance with Wiring and Installation in the HART Application Guide (order number
AC version |
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cable clamp | earth | cable clamp | earth |
| terminal |
| terminal |
3 | 4 | 5 | 6 | 7 |
| 8 |
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| Rated temperature of | L1 | L2 |
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| temperature by at least 15 K |
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temperature by at least 15 K
Connecting HART
Typical PLC/mA configuration with HART
Notes:
•For
•Only one HART communication device should be inserted in the loop.
LR 460
PLC with mA input card
R = 250 Ω
PC/laptop with HART modem running PDM
HART Communicator 375
3.Connect the earth conductor of the power supply to the earth terminal on the metal bracket inside the enclosure. Adjust the cable length so that the earth conductor would be last to disconnect if cable is pulled.
Page 20 | SITRANS LR 460 – INSTRUCTION MANUAL | 7ML19985JM01 |