Siemens SIMATIC Distributed I/O System DP/ASi Link Servisní příručka stáhnout pdf (Strana 21)

The AS-i Masters

2-3

SIMATIC NET AS-Interface – Introduction and Basic Information

C79000-G8976-C089/03

CP 242-8 (Standard AS-i Master)

The CP 242-8 has not only the functions of the CP 242-2 but also a connection to

PROFIBUS DP (DP slave). This allows the cost-effective connection of an S7-200

to PROFIBUS DP and the AS-Interface at the same time.

Branch

Active module

Passive module

AS-i cable

Actuator/sensor

S7-200 CPU

AS-i master/DP slave

Q0.0

Q0.1

Q0.2

Q0.3

Q0.4

Q0.5

I 0.0

I 0.1

I 0.2

I 0.3

I 0.4

I 0.5

I 0.6

I 0.7

RUN

STOP

SIMATIC

S7–200

SIEMENS

CP 242–8

Wider ranging network via PROFIBUS DP

APF

CER

AUP

AS-Interface

Master

CP 242-2

6GK7 242-2AX00-0XA0

X 2

3 4

AS-i power supply

(with integrated

AS-i connection)

(without integrated

AS-i connection)

(with integrated

AS-i connection)

Figure 2-2

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 63 64

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