Performance Data
B3–16
CP 443-5 Basic for PROFIBUS / Manual Part B3 –
Release 11/2002
C79000-G8976-C161-03
Note
To allow module replacement without a PG, settings on the CPU must be
modified. Open the Properties dialog of the CPU in HW Config; in the “Monitoring
time for” box in the “Startup” tab, check and, if necessary, modify the following
values:
– “Transfer of parameters to modules” (recommended value = 600 *100 ms)
Depending on your system (station configuration), you may need to increase the
following parameter:
– “Ready message from modules”
For more detailed information about supported services and parameters, refer to
the PICS tables (PICS: Protocol Implementation Conformance Statements) in the
manual /4/.
5.4
Characteristics of S7 Communication
The following data are important for operating S7 connections:
Table 5-5
Characteristic
Explanation / Values
Number of S7 connections that can
be operated via PROFIBUS
Maximum 48
(The value depends on the S7-400 CPU being used.)
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