Times Overview The PLC and the CP 1

Times Overview The PLC and the CP 1242-7 access at different system times. The system time of the CP 1242-7 is stored in UTC format and is synchronized automatically via the Telecontrol Server. The system time of the CP 1242-7 can be read by the PLC with the help of the command RD_REC at RECNUM 160. Writing of the system time of the CP 1242-7 from the PLC is not possible. The time stamp of the sent process values cannot be influenced. The system time of the CP 1242-7, i.e. the UTC time of the Central Station, is always used.