Prosoft-technology CLX-APACS Instrukcja Użytkownika Pobierz pdf (Strona 18)

Page 12 QTS-CLX-APACS March 2015

Connection for Diagnostic Data

Diagnostics are always mapped to connection 9. Connection 9 is not required but we

strongly recommend that you create it.

Set the Comm Format to Data – INT

Set the Connection Parameters as shown.

Do not reduce the connection size for connection 9 from the values shown. In addition to

the diagnostic counters, other undocumented diagnostic information which may be useful

for technical support is also mapped to connection 9.

The sizes of connections 0 to 8 (as needed) can be smaller than the maximum to reduce

traffic in the ControlLogix backplane. Double click on the root of the network tree in the

APACS configuration programs to determine the minimum connection sizes.

RPI

Next, set the RPI for the connection.

Selecting an RPI.

The module supports RPIs from 2.0 to 750.0 ms. The default RPI is 5 ms.

Select an RPI appropriate to the I/O bus scan time and to your process. It makes no sense

to use an RPI that is much faster than the bus or process update time.

You can use different RPIs for each connection, depending on the requirements of your

application.

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