Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de servicio descargar pdf (Pagina 28)

The AS-i Masters

2-10

SIMATIC NET AS-Interface – Introduction and Basic Information

C79000-G8976-C089/03

2.6 AS-i Master for ET 200X

CP 142-2 (Standard AS-i Master)

The CP 142-2 module (AS-i standard master) can be operated in the ET 200X

distributed I/O system. It allows the connection of an AS-i chain to the I/O device.

The special feature of the ET 200X distributed I/O system is its rugged

construction complying with IP 65, IP 66 and IP 67.

(4 x slave)

PROFIBUS

PROFIBUS-DP master

Round

cable

AS-i cable

Passive AS-i application module

Active AS-i application module

Binary sensors and actuators

(without slave ASIC)

Active or passive AS-i

application module

Binary sensors

and actuators

(with slave ASIC)

Actuator or sensor with

direct connection

Branch of the

AS-i cable

= slave ASIC

AS-i power

supply unit

CP 142-2

ET 200 X

PROFIBUS

(without integrated

AS-i connection)

(with integrated AS-i connection)

Figure 2-7 Example of an ET 200X with CP 142-2

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Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de servicio Pagina 28