Time
64
4.3
PTP configuration
RM Web L3P
Release
4.1
03/08
4.3 PTP configuration
Precise time management is required for running time-critical applications via
a LAN.
The IEEE 1588 standard with the Precision Time Protocol (PTP) describes a
procedure that assumes one clock is the most accurate and thus enables
precise synchronization of all clocks in an LAN.
X IEEE 1588/PTP function
In this frame you switch the PTP on/off.
4.3.1 PTP Global
This dialog offers you the option of making basic settings for the Precision
Time Protocol.
X IEEE 1588/PTP function
In this frame you switch the PTP on/off.
X Configuration IEEE 1588/PTP (with MS 20/30 and PowerMICE)
Clock Mode: Mode of the local clock.
The options are:
– ptp-mode-boundary-clock,
– ptp-mode-simple-ptp (without delay correction or specification of
best clock). Select this mode if the device does not have a timestamp unit
(RT module).
Sync Interval: period for transmitting synchronization messages,
specified in seconds. You apply the changes with "Reinitialize".
SyncLowerBound: Bottom PTP synchronization threshold value, speci-
fied in nanoseconds. If the sum of (reference time - local time) is lower
than the value of the bottom PTP synchronization threshold, then the local
clock is deemed as synchronous with the reference clock.
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