BMX ERT 1604 T Clock
To set the clock type, select the module BMX ERT 1604 T module in the drop.
tab by double-clicking theBMX ERT 1604 T module can be in a local drop or in a Modicon X80 drop as shown in the following figure:

Select the clock type by setting the
value:
The allowed clock sources are:
(do not use this mode as it does not offer enough accuracy)
NOTE: In mode, the BMX ERT 1604
T module uses its internal clock. When initialized, the initial
time is: 1970-01-01 00:00:00:000 as defined in IEC61850 but the time
information provided is not reliable.