Ascon tecnologic CU-02, Руководство пользователя

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Chapter 3 - CPU Setup
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3-2-13 Modbus TC/IP Secure ADDRS Table Menu
Figure 3.15 - Modbus TCP/IP Secure Address Table Menu
By this menu, in the case the security functions are enabled, the addresses that
the Modbus TCP/IP Server can access are set out.
To insert a new address, select 0) first, then type in the new address; it will be
inserted in the first free position.
To delete an address, select the number of the address you want to remove.
3-2-14 Modbus TC/IP Priority ADDRS Table Menu
Figure 3.16 - Modbus TCP/IP Secure Address Table Menu
The insertion rules are the same as described for the “ security address pool ”.
Addresses inserted in the “ priority connection pool ” are managed by the system in
a privileged way. The Modbus TCP/IP server agent can maintain up to 10 TCP
connections at the same time. When a new connection request arises and all
available connections are engaged, the system shall make a choice.
Since every new request must be satisfied, one of the present active connections
shall be closed.
The first candidates that are to closed are the addresses not belonging to the
“
priority connection pool ”. The second choice is to close the connection not active
for the greater amount of time.
MODBUS TCP SECURE ADDRRESSES TABLE MENU
Enter Selection:
0. Insert New Address
31. Exit
1. 192.168.0.10
2. 192.168.0.25
3. 192.168.0.100
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Ascon S.p.a.
SigmaPAC Control Unit CU-02
Device configuration
MODBUS TCP PRIORITY ADDRESSES TABLE MENU
Enter Selection:
0. Insert New Address
31. Exit
1. 192.168.0.12
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4. 192.168.0.75
5. 192.168.0.123
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Ascon S.p.a.
SigmaPAC Control Unit CU-02
Device configuration