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2.2.8
Modbus Diagnosis
The diagnostics for Modbus TCP and Modbus RTU Slave allows analyzing the parameters and communication
as well as resetting the diagnostics counters. For more information, see the SICAM Q100 device manual, chap-
ter 8, Configuration of the Device.
2.2.8.1 Modbus TCP Diagnosis
Figure 2-6
Parameter for Standard Server and User-port Server
•
Port number:
•
Maximum connections:
•
Used connections:
•
Connection overflows:
SICAM Q100, 7KG95xx, System Manual
E50417-C1040-C522-A8, Edition 09.2020
Modbus TCP Diagnosis
Standard port 502 and configured user port
For the user port number 502, 4 connections via the standard port
502; for the user-defined port 1, 2 connections via the standard
port 502 or 2 connections via the configured port number; for the
user-defined port 2, 1 connection via the configured port number
Number of connections that are actually used
Counter of the attempts to establish more connections than al-
lowed;
Number of allowed connection attempts:
For user port number 502: 5 connection attempts via standard
port 502
Communication
2.2 Modbus
83
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