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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
mmmmm Wiring
PROFIBUS wiring
Note: PROFIBUS PA is not
Power Demands
To determine how many devices can be connected to a bus line, calculate the combined maximum current consumption of all the connected devices: 10.5 mA for SITRANS LR 460. Allow a current reserve for safety.
Bus Termination
PROFIBUS PA MUST be terminated at both extreme ends of the cable for it to work properly. Please refer to the PROFIBUS PA User and Installation Guidelines (order number 2.092), available from www.profibus.com.
Install in accordance with PROFIBUS PA User and Installation Guidelines (order number 2.092), available from www.profibus.com.
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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| PROFI- | connection cables must |
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| exceed maximum ambient |
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| BUS PA |
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temperature by at least 15 K
3 | 4 | 5 | 6 | 7 | 8 |
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7ML19985JM01 | SITRANS LR 460 – INSTRUCTION MANUAL | Page 21 |