Siemens S7-300 Configuration Manual page 239

S7
address area
ORG ID
DBNR
Start address
permitted range
Quantity
permitted range
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Linking to other systems with FETCH/WRITE
PI/PQ C
05 06
H
Source/dest. data Source/dest data
from/to I/O modules. from/to counter cells
With source data
input modules, with
dest data output
modules
irrelevant irrelevant
I/O byte no., from Number of the
which the data is counter cell from
taken or written to which the data is
taken or written to
0...127 0...255
digital I/O 128...255
analog I/O
Length of the Length of the
source/dest. data source/dest. data
field in bytes field in words
(counter cell = 1
word)
1...256 1
T
07
H H
Source/dest data
from/to timer cells
irrelevant
Number of the timer
cell from which the
data is taken or
written to
0...255
Length of the
source/dest. data
field in words
(counter cell = 1
word)
1
239