Rockwell-automation 22-COMM-C ControlNet Adapter Manuel d'utilisateur Page 40

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4-6 Configuring the I/O
Table 4.A ControlLogix Input/Output Size Configurations
5. Click Next > to display the Requested Packet Interval screen
(Figure 4.8).
Figure 4.8 Requested Packet Interval Screen
6. In the Requested Packet Interval (RPI) box, set the value to 5.0
milliseconds or greater. This value determines the maximum interval
that a controller should use to move data to and from the adapter. To
conserve bandwidth, use higher values for communicating with low
priority devices.
7. Click Finish >>. The new node (“PowerFlex_40_Drive” in this
example) now appears under the bridge (“1756-CNBR/D” in this
example) in the I/O Configuration folder. If you double-click on the
Controller Tags (Figure 4.9
), you will see that module-defined data
types and tags have been automatically created. After you save and
download the configuration, these tags allow you to access the Input
and Output data of the adapter via the controller’s ladder logic.
Input
Size
Output
Size
Logic Command/
Status
Reference/
Feedback
Parameter 12 -
[DSI I/O Cfg]
Parameter 01 -
[Mode]
42 ✔✔Drive 0 Single
64 ✔✔Drives 0-1
Multi-Drive
86 ✔✔Drives 0-2
10 8 ✔✔Drives 0-3
12 10 ✔✔Drives 0-4
TIP: For instructions on configuring the I/O for the adapter
(Parameter 12 - [DSI I/O Cfg]), see Setting the I/O
Configuration on page 3-3.
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