Specifications; Specifications Of The Real Time Clock; Time Synchronization Tolerances - Eaton EMR-4000 Installation, Operation And Maintenance Manual

Specifications

Specifications of the Real Time Clock

Resolution:
Tolerance:

Time Synchronization Tolerances

The different protocols for time synchronization vary in their accuracy:
Used Protocol
Without time synchronization
IRIG-B
SNTP
Modbus TCP
Modbus RTU
DNP3
EMR-4000
1 ms
<1 minute / month (+20°C [68°F])
<±1ms if synchronized via IRIG-B
Time drift over one month
<1 min (+20°C)
Dependent on the time drift of the
time generator
Dependent on the time drift of the
time generator
Dependent on the time drift of the
time generator
Dependent on the time drift of the
time generator
Dependent on the time drift of the
time generator
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Deviation to time generator
Time drifts
<±1 ms
<±1 ms
Dependent on the network load
<±1 ms
<±1 ms
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