Siemens CP 1542SP-1, Руководство по эксплуатации

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Application and functions
1.7 Other services and properties
CP 154xSP-1
Operating Instructions, 12/2019, C79000-G8976-C426-05
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● DNP3
The CP supports authentication according to the "Secure Authentication V5"
specification.
If the security functions are enabled, the CP can process telecontrol communication via
SINEMA Remote Connect.
● IEC 60870-5-104
If the security functions are enabled, the CP can process telecontrol communication via
SINEMA Remote Connect.
For information on communication via SINEMA Remote Connect, see section
Communication via SINEMA RC (CP 1542SP-1 IRC, CP 1543SP-1) (Page 18).
1.7 Other services and properties
Further services and properties of the CP
● IP configuration
–
Address types
The CP supports IP addresses according to IPv4 and IPv6.
– Addressing
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 using program
blocks.
– DHCP: As an alternative, the IP address can be obtained from a DHCP server.
– DCP (Discovery and Configuration Protocol) is supported.
● Time-of-day synchronization
–
NTP
The CP can synchronize its time of day via NTP.
CP 1543SP-1: If the Security functions are enabled, the secure method NTP (secure)
can be used.
– CP 1542SP-1 IRC: Time from partner
If telecontrol communication is enabled, the CP can also obtain its time of day via from
the communications partner.
UTC time is used for TeleControl Basic and DNP3.
The local time of the partner PC is used for ST7 and IEC.
– The CP can make the time-of-day available to the CPU via a PLC tag.
For more detailed information, refer to section Time-of-day synchronization (Page 57).