Siemens SIMATIC TeleControl DNP3 - Page 68

Configuration
3.13 Time-of-day synchronization
Configuration - DNP3
68 Configuration Manual, 11/2018, C79000-G8976-C508-01
Synchronization methods of the communications modules
The modules support the following methods and functions (receiving/forwarding) of time-of-
day synchronization:
●
TIM 1531 IRC
– No time source
– From NTP server
– From WAN
– To local station
– To WAN
●
TIM 3V-IE DNP3 / TIM 4R-IE DNP3
– From NTP server
– From local station
– From WAN
– To local station
– To WAN
●
CP 1243-1 / CP 1243-8 IRC
The CP can only be a time slave for the connected subnet.
– Time from partner
– NTP
– Time from CPU
– Forwarding the time to the CPU
●
CP 1542SP-1 IRC
The CP can only be a time slave.
– Time from partner
– NTP
CPs do not support forwarding the time to connected subnets.