Specifications
Specifications
Specifications of the Real Time Clock
Resolution:
1 ms
Tolerance:
<1 minute / month (+20°C [68°F])
<±1ms if synchronized via IRIG-B
Time Synchronisation Tolerances
The different protocols for time synchronisation vary in their accuracy:
Used Protocol
Time drift over one month
Deviation to time generator
Without time synchronization
<1 min (+20°C)
Time drifts
IRIG-B
Dependent on the time drift of
the time generator
<±1 ms
SNTP
Dependent on the time drift of
the time generator
<±1 ms
IEC60870-5-103
Dependent on the time drift of
the time generator
<±1 ms
Modbus TCP
Dependent on the time drift of
the time generator
Dependent on the network load
Modbus RTU
Dependent on the time drift of
the time generator
<±1 ms
DNP3
Dependent on the time drift of
the time generator
<±1 ms
650
MRU4
DOK-HB-MRU4-2E