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RS-485 output and cable entity parameters (continued)Table 3-2:
Maximum external inductance (L
o
) 260 µH
Maximum external inductance/resistance ratio
(L
o
/R
o
)
124.4 µH/Ω
3.3.2 Prepare the 4-wire cable
Important
For user-supplied cable glands, the gland must be capable of terminating the drain wires.
Note
If you are installing unshielded cable in continuous metallic conduit with 360º termination shielding,
you only need to prepare the cable – you do not need to perform the shielding procedure.
Wiring
Installation Manual 35