Siemens CP 243-2 Instrukcje Operacyjne Pobierz pdf (Strona 9)

9

Power supplyMaster

Slave

Slave

Slave

AS-Interface cable

With IP67,

AS-Interface is well

equipped to deal

with dust, humidity,

and extreme

temperatures.

Minimum

configuration of an

AS-Interface network

The technical result is remarkable. AS-

Interface fulfils all the requirements just

about perfectly, in field use (IP65/IP67),

in the control cabinet (IP20), and in tem-

perature ranges from -25 °C to +85 °C.

Single master system

AS-Interface was conceived as a single

master system with cyclic polling. This

means that there is only one control

module (master) in the AS-Interface net-

work which polls the data of the other

nodes (slaves) at precisely defined in-

tervals.

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