Moniteur 50 Series SMART Positioners User Manual

Page 86

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Operation

4-24

Positioner SIPART PS2/SIPART PS2 PA

C79000-G7476-C150–01

In this example, all files supported by the device are transmitted in the
input or output direction. 256 (W#16#100) is selected as the initial I/O
address.

Byte 15

Byte 15

15 bytes of input data consisting of the following:

READBACK

5 bytes

RCAS_OUT

5 bytes

CHECKBACK 3 bytes

POS_D

2 bytes

Byte 10

10 bytes of output data consisting of the following:

SP

5 bytes

RCAS_IN

5 bytes

(see Object table in the Appendix)

4.5.1 Useful data via PROFIBUS

The SIPART PS2 PA positioner can exchange a combination of the
following cyclic useful data with the PROFIBUS:

German
name

English name

Abbreviation

Direction from
the point of
view of the
SIPART PS2
PA

Length in
bytes

Consisting of

Sollwert

Setpoint

SP

Input

5

Value/Status

readback

Readback

RB

Output

5

Value/Status

Diskrete Pos-
tion

Position dis-
crete

POS_D

Output

2

Value/Status

Aktorzustand

Checkback

CB

Output

3

Value

Fernkaskade
Eingang

Remote Ca-
scade Input

RCAS_IN

Input

5

Value/Status

Fernkaskade
Ausgang

Remote Ca-
scade Output

RCAS_OUT

Output

5

Value/Status

The setpoint consists of a floating–point value (4 bytes) and the
associated status (1 byte, see below)

The readback indicates the position of the valve. The readback con-
sists of a floating–point value (4 bytes) and the associated status (1
byte)

Legend

Setpoint

Readback

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