beautypg.com

Siemens Simantic Net NCM for Industrial Ethernet S7 User Manual

Page 215

background image

Linking to Other Systems with FETCH/WRITE

215

SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06

S7

Address Area

PI/PQ

C

T

ORG ID

05

H

06

H

07

H

Source/dest.
data from/to in
I/O modules.
With source
data input
modules, with
dest data
output modules

Source/dest
data from/to
counter cells

Source/dest
data from/to
timer cells

DBNR

irrelevant

irrelevant

irrelevant

Start address

I/O byte no.,
from which the
data are taken
or written to

Number of the
counter cell
from which the
data are taken
or written to

Number of the
timer cell from
which the data
are taken or
written to

permitted range

0...127

digital I/Os
128...255

analog I/Os

0...255

0...255

Length

Length of the
source/dest.
data field in
bytes

Length of the
source/dest.
data field in
words (counter
cell = 1 word)

Length of the
source/dest.
data field in
words (counter
cell = 1 word)

permitted range

1...256

1

1