Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de servicio descargar pdf (Pagina 36)

Further AS-i System Components

3-6

SIMATIC NET AS-Interface – Introduction and Basic Information

C79000-G8976-C089/03

3.4 AS-Interface Repeater / Extender

Area of Application

The AS interface repeater and extender is intended for use in an actuator-sensor

interface environment.

The device is used to extend the maximum possible length of the AS-interface of

100 m. An existing 100 m segment can be extended by a maximum of two further

100 m segments.

Using the Repeater

The AS-interface repeater is used when slaves must be operated on all cable

segments. A separate AS-interface power supply unit is then required for each

AS-interface segment (before and after the repeater). The repeater has the

following features:

S Extends the cable length to a maximum of 300m.

S Slaves can be used on both sides of the repeater.

S A power supply unit is required on both sides of the AS interface.

S Electrical isolation of the two cables.

S Separate indication of the correct voltage for each side.

S Installation in standard application module casing.

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Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de servicio Pagina 36