Siemens SIMATIC NET Provozní pokyny stáhnout pdf (Strana 34)

100

101

Configuring Networks

3-8

SIMATIC NET Twisted-Pair and Fiber-Optic Networks

C79000-G8976-C125-02

Optical Star Coupler Cards

Interface Card Delay Equivalent Variability Value

ECFL 2 170 m *) **)

ECFL 4 130 m *) **)

Electrical Star Coupler Cards

Interface Card Delay Equivalent Variability Value

ECAUI 165 m *) **)

ECTP 3 55 m *) **)

UYDE 170 m *) **)

* The specified delay equivalents of the star coupler cards relate to only

one port (input or output), in contrast to the calculation for the OLM/ELM.

If, for example, there is a change from ECFL2 to ECTP3 at a star coupler,

the 170 m of the ECFL2 and the 55 m of the ECTP3 must be added. This

also applies when the changeover is between the two ports of the same

module, in this case the values of the corresponding interface card must

be doubled.

** The variability values of the star coupler cards depend on the

combinations of interface cards in the star coupler and are listed in Table

3-3.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 337 338

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