CV500BC101 Omron, CV500BC101 Datasheet - Page 137
CV500BC101
Manufacturer Part Number
CV500BC101
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BC031.pdf
(403 pages)
Specifications of CV500BC101
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Using Offsets
Offsetting Image
Application Example of
Using Offsets
112
What Are Data Links?
Number of words to be received
Offset from the beginning
For automatically set data links, all of the send words transmitted by a node
are received by other nodes with no change in size. For manually set data
links, the size of a receive area can be restricted by specifying a number of
words from the beginning word of the words sent by another node.
However, the above system does not guarantee that only the desired words
will be received and therefore the receive node may receive unnecessary
data.
Offsetting enables specification of a more specific range of receive data by
indicating both the number of words and the starting word position from the
beginning of the area. The offset refers to the starting word position counted
from the beginning of the area.
In the following example, the send data from node 1 is split into three parts
and each part is received by a different node, i.e., each of the other nodes
receives only part of the send data from node 1. This enables effective use of
data link memory areas without wasting space. In this way, a type of message
service (i.e., specific data to a specific node) can be achieved through data
links.
Automatically set
data links
Manually set
data links
# 1
# 1
# 2
# 3
#1 Data
Restricted reception
from node 1 by
specifying an offset
# 1
# 1
# 2
# 3
# 1
# 2
# 3
# 1
I only need this.
A node can specify the number
of words to receive from the
beginning send word.
# 1
# 2
# 2
# 3
# 2
# 1
# 2
# 3
# 2
# 1
# 2
# 3
Restricted reception
from node 2 by
specifying an offset
#1 Data
# 3
# 3
# 2
# 1
I need all of it.
Section 5-1
# 3
# 2
# 3
# 3
# 2
# 3
# 1
# 1
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