VIPA CPU 21 Series, Руководство пользователя

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Chapter 5 Deployment CPU 21x-2BT02 with H1 / TCP/IP Manual VIPA CPU 21x
5-38 HB103E - Rev. 05/45
Communication to other systems
The organization format is the abbreviated description of a data source or a
data destination in a PLC environment. The following table lists the
available ORG formats.
In the case of READ and WRITE the ORG block is optional.
The ERW identifier is used for the addressing of data blocks. In this case
the data block number is entered into this identifier. The start address and
quantity provide the address for the memory area and they are stored in
HIGH/LOW format (Motorola-formatted addresses)
Description Type Range
ORG identifier BYTE 1..x
ERW identifier BYTE 1..255
Start address HILOWORD 0..y
Length HILOWORD 1..z
The following table contains a list of available ORG formats:
ORG identifier 01h-04h
CPU area DB MB EB AB
ORG identifier 01h 02h 03h 04h
Description Source/destination data
from/into data block in
main memory.
source/destination
data from/into flag
area. Source/destination
data from/into process
image of the inputs
(PAE). source/destination
data from/into process
image of the outputs
(PAA).
ERW identifier
(DBNR)
valid range:
DB from where the
source data is retrieved
or to where the
destination data is trans-
ferred.
1...255 irrelevant irrelevant irrelevant
Start address
Significance
valid range: DB-No. from where the
data is retrieved or
where data is saved.
0...2047
MB- No. from where
the data is retrieved or
where data is saved.
0...255 EB-No. from where the
data is retrieved or
where data is saved.
0...127 AB-No. from where the
data is retrieved or
where data is saved.
0...127
Length
Significance
valid range: Length of the
source/destination data -
block in words.
1...2048 Length of the
source/destination
data block in words.
1...256
Length of the
source/destination
data block in words.
1...128 Length of the
source/destination
data block in words.
1...128
ORG format