Application and properties
1.2 Other services and properties
CP 1243-1 DNP3, CP 1243-1 IEC
Operating Instructions, 02/2014, C79000-G8976-C312-02
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IP configuration - IPv4 and IPv6
The essential features of IP configuration for the CP:
– The CP supports IP addresses according to IPv4 and IPv6.
– An IPv6 address can be used in addition to an IPv4 address.
– Address assignment:
The IP address, the subnet mask and the address of a gateway can be set manually
in the configuration.
As an alternative, the IP address can be obtained from a DHCP server or by other
means outside the configuration.
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Time-of-day synchronization over Industrial Ethernet
The CP can the have its local time of day synchronized by the partner (master) as UTC
time.
The time of day can be read from the CPU. The mechanisms are described in the STEP
7 information system.
For information on the format of the time stamp, refer to the section Datapoint types
(Page 35).
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The CP can communicate with a redundant control system (master).
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The CP can store events of different classes and transfer them together to the master.
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Data transfer is on request or triggered
The sending of data to the master can be triggered in two ways:
– At the request of the master
– Triggered by various selectable criteria
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With configured events in the process image of the CPU, the CP can send messages as
e-mails. The data of the events to be sent by e-mail are configured using PLC tags.
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Analog values can be preprocessed on the CP according to various methods.
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