SI-Ethernet User Guide
83
Issue: 3
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6.1.5
Menu 11 – Synchronization
This Ethernet interface will be preferred as the grandmaster over others with higher preferred
values or none specified. A value of zero will ensure that the Ethernet interface will not become
grandmaster (making the Ethernet interface act as an IEEE 1588 slave device only). If more than
one Ethernet interface has the same preferred value only one will be chosen as the grandmaster
using the IEEE 1588 BMC algorithm.
The parameter does not guarantee that the Ethernet interface will become grandmaster but a value
of zero guarantees that the Ethernet interface will not become a grandmaster.
Specifies the clock domain for the Ethernet interface to act as a grandmaster clock.
This parameter displays the MAC address, as a 64-bit hexadecimal value, of the synchronization
grandmaster (if there is a grandmaster).
This parameter displays the synchronization jitter in nanoseconds. The value is filtered to be
human readable.
S.11.001
Preferred Sync Master
Minimum
0
Maximum
4
Default
1
Units
None
Type
8 Bit User Save
Update Rate
Read on reset
Display Format
None
Decimal Places
0
Coding
RW, BU
S.11.002
Master Clock Domain
Minimum
0
Maximum
3
Default
0
Units
Type
8 Bit User Save
Update Rate
Read on reset
Display Format
None
Decimal Places
0
Coding
RW, BU
S.11.005
Grandmaster MAC Address
Minimum
0
(Display: 000000000000)
Maximum
18446744073709551615
(Display: FFFFFFFFFFFF)
Default
None
Units
None
Type
64 Bit Volatile
Update Rate
Background write
Display Format
MAC Address
Decimal Places
0
Coding
RO, ND, NC, PT, BU
S.11.006
Sync Jitter From Grandmaster
Minimum
-2147483648
Maximum
2147483647
Default
None
Units
ns
Type
32 Bit Volatile
Update Rate
Written every 500ms
Display Format
None
Decimal Places
0
Coding
RO, ND, NC, PT
Содержание Unidrive M600
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