Rockwell-automation 1336T Function Block Prog. Manual, Series A/B Manuale Utente Pagina 160

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5–44 Block Transfer Services
1336 FORCE — 5.9 August 1995
Example
In both examples, the PLC has requested to read node number 3
Dec
(3
Hex
), block ID number 4
Dec
(4
Hex
).
In Example 1, the drive response indicates that the node is linked to
parameter 146
Dec
(92
Hex
), the Motor Overload Limit parameter.
10
N10:10
23456789
N10:90
BTW
Data File
BTR
Data File
Data Format
8304
8304 92
0
0
0F04
0F04
Example 1
This example can be visually shown as follows:
p.146
node 0
ID = 4
node 1
node 2
node 3
(8304)
Destination
Source
In Example 2, the drive response indicates that the node is linked to
another function block node: node number 2
Dec
(2
Hex
), block ID
number 9
Dec
(9
Hex
).
10
N10:10
23456789
BTW
Data File
Data Format
83040 0F04
N10:90
BTR
Data File
8304 82090 0F04
Example 2
The second example can be visually shown as follows:
node 0
ID = 9
node 1
node 2
(8209)
node 0
ID = 4
node 1
node 2
node 3
(8304)
Source
Destination
Read Node Link
(continued)
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