Siemens CP 243-2 Operations Instructions download pdf (Page 35)

35

SIMATIC NET

AS-Interface master

For SIMATIC controllers there are com-

munication processors (CP’s) that con-

trol the process or field communication

as a master. For direct connection of the

AS-Interface to PROFIBUS-DP, the

DP/AS-Interface link 20E is available.

With that you can use the AS-Interface

as a subnetwork for PROFIBUS-DP.

Connection of the SIMATIC S7-400 and

other PROFIBUS-DP masters to AS-In-

terface for which no AS-Interface CP is

available can be implemented using the

DP/AS-Interface link 20E. For the

SIMATIC S7 300, the CP 343-2 and for

the S7 200 the CP 234-2 is used. Both

communication processors and the

DP/AS-Interface link 20E fulfill the ex-

tended AS-Interface Specification V2.1

that allows up to 62 slaves to be con-

nected, and the integrated analog value

transmission.

All the following AS-Interface masters

have these functions: They support all

AS-Interface master functions according

to the extended AS-Interface Specifica-

tion V2.1. Up to 62 AS-Interface slaves

can be connected and integrated analog

value transmission is possible (accord-

ing to the extended AS-Interface Speci-

fication V2.1) All of the listed CP’s allow

commissioning times to be considerably

reduced by offering configuration of the

network at the press of a button.

The idle and service times are also re-

duced because of the simplified error lo-

cation indicated by the operating status

displays on the front of the CP’s, and

the ready-to-operate indication of the

connected slaves, again with LED’s on

the front of the units.

The range of Siemens AS-Interface

components is too extensive to deal

with adequately in this brochure. You

can read about all products and techni-

cal data in the catalog “Components on

the field bus” (low voltage field tech-

nology (NSK) and IK PI) that your

Siemens contact stocks for you. Or you

can access this information directly on

the Internet (see Page 34). This section

therefore only gives you a short list of

the most important product groups that

you can obtain from Siemens.

PRODUCT OVERVIEW

Product overview

SIMATIC

C7-621 ASi

SIMATIC

ET 200X

SIMATIC S7-300

SIMATIC S7-200

Integrated interface

(Specification V2.01)

CP 142-2

Integrated motor starter

CP 343-2

CP 243-2

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