78 SI-Ethernet User Guide
Issue: 1
synchronization grandmaster (if there is a grandmaster).
This parameter displays the synchronization jitter in nanoseconds. The value is filtered
to be human readable.
Sets the application tolerable clock jitter in ns from the grandmaster. If Synchronisation
Jitter From Grandmaster (S.11.006) is within the tolerance the local clock is used and
Module Synchronised Flag (S.11.008) is set to 1 and synchronized cyclic data links will
be processed.
This parameter displays the module's synchronization status. 1 = Synchronized, 0 = Not
synchronized.
This parameter controls whether the module synchronizes the OPT_SYNC with the
network grandmaster. A value of ON inhibits this.
S.11.006 Synchronisation Jitter From Grandmaster
Minimum -2147483648 Maximum 2147483647
Default Units ns
Type 32 Bit Volatile Update Rate Written every 500ms
Display Format None Decimal Places 0
Coding RO, ND, NC, PT
S.11.007 Synchronisation Jitter Threshold
Minimum 500 Maximum 1000000
Default 1000 Units ns
Type 32 Bit User Save Update Rate Read on reset
Display Format None Decimal Places 0
Coding RW, BU
S.11.008 Module Synchronised Flag
Minimum 0 Maximum 1
Default 0 Units
Type 1 Bit Volatile Update Rate Written every 10ms
Display Format None Decimal Places 0
Coding RO
S.11.009 Inhibit Drive Synchronisation
Minimum 0 Maximum 1
Default 0 Units
Type 1 Bit User Save Update Rate Immediate
Display Format None Decimal Places 0
Coding RW
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