Time Synchronization With Modbus Tcp - Siemens SIPROTEC 4 Manual

4.2

Time Synchronization with Modbus TCP

Modbus TCP offers an own time synchronization from the master to the slaves.
During configuration of the SIPROTEC 4 device in DIGSI 4, the time-synchronization parameters are set in
the same manner as for NTP:
•
Source of time synchronization: Ethernet NTP
•
Further time synchronization-parameters for Modbus TCP
[sc_MODBUS-TCP-synch-param, 1, en_US]
Figure 4-1
The following Modul-specific settings are relevant for time synchronization
EnableTimeSynchronization
UseSetTimeAndDateReg
SIPROTEC 4, Modbus TCP Profile, Manual
C53000-L1840-C582-1, Edition 07.2015
Modbus TCP Time-Synchronization Parameters
Determines whether the device (outstation) expects and evaluates time
synchronization from master by Modbus TCP.
Determines the possible data-acceptance methods for time synchroni-
zation of the SIPROTEC 4 device via Modbus TCP.
Time Synchronization
4.2 Time Synchronization with Modbus TCP
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