Communication
2.2 Modbus
83SICAM Q100, 7KG95xx, System Manual
E50417-C1040-C522-A8, Edition 09.2020
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 Modbus TCP Diagnosis
Parameter for Standard Server and User-port Server
• Port number: Standard port 502 and configured user port
• Maximum connections: 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
• Used connections: Number of connections that are actually used
• Connection overflows: 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
SYS_SICAM_Q100_US.book Page 83 Thursday, September 24, 2020 1:17 PM
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