2 analog output area – Siemens CP 243-2 User Manual

Page 47

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Interface to the User Program in the S7-200 CPU

2-21

SIMATIC NET CP 243-2 AS-i Master
C79000-G8976-C142/02

2.5.2

Analog Output Area

Assignment of the Output Areas

The output area of the analog module of the CP 243-2 is mapped to the analog
outputs of the user program using bank selection as shown below:

Binary outputs
slave 1 to 31 or
slave 1A to 31A

Memory
assignment

Bank 0

S7-200 CPU

CP 243-2

reserved

BS5...BS0

Bank 1

Bank 2

Bank 30

Bank 15

Bank 16

Bank select bits

⋅⋅

Analog outputs

Binary outputs
slave 1B to 31B

Analog outputs
slave 1 to 31

reserved

Bank 31

Bank 32

Bank 47

Bank 48

*) The address area depends on
the slot of the CP 243-2 (see
Section 2.2)

8 AIW
e.g. AIW0..AIW14

*)

⋅⋅

⋅⋅

Bank 63

⋅⋅

⋅⋅

Command data

reserved

Figure 2-5

Bank 0: Binary output data of the AS-i slaves 1 to 31 or 1A to 31A

Via these analog output words, you can access the binary outputs of the standard
slaves or A slaves (slaves with the extended addressing mode).

The structure of the output data is described in Section 3.1.

Bank 1: reserved

This area is reserved for later expansions and cannot be used.

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