Time Sync Object - Allen-Bradley 1444-TSCX02-02RB User Manual

Time Sync Object

Table 292 - Instance Attributes
Attribute Access
ID Rule
1 Get/Set
2 Get
3 Get
4 Get
5 Get
6 Get/Set
7 Get
8 Get
9 Get
10 Get
The Time Sync Object (class code 0x43) provides a CIP interface to the IEEE
1588 Standard for a Precision Clock Synchronization Protocol for Networked
Measurement and Control Systems. This is commonly referred to as the
Precision Time Protocol or PTP.
Table 290 - Object Instances
Instance ID
0
1
Table 291 - Class Attributes
Attribute Access
ID Rule
1 Get
2 Get
NV Name
NV PTPEnable
IsSynchronized
SystemTimeMicroseconds
SystemTimeNanoseconds
OffsetFromMaster
maxOffsetFromMaster
MeanPathDelayToMaster
Grand MasterClockInfo
ParentClockInfo
LocalClockInfo
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Description
Class Instance of the CIP Time Sync Object
Active instance of the CIP Time Sync Object
NV Name Data Type
NV Revision UINT
Maximum Instance UINT
Data Type Description of Attribute
BOOL
BOOL
ULINT
ULINT
LINT
ULINT
LINT
STRUCT
USINT[8] ClockIdentity
UINT ClockClass
UINT TimeAccuracy
UINT OffsetScaledLogVariance
UINT CurrentUtcOffset
WORD TimePropertyFlags
UINT TimeSource
UINT Priority1
UINT Priority2
STRUCT
USINT[8] ClockIdentity
UINT PortNumber
UINT ObservedOffsetScaledLogVari
ance
UDINT ObservedPhaseChangeRate
STRUCT
USINT[8] ClockIdentity
CIP Objects Appendix A
Description of Semantics of
Attribute Values
Revision of Object Revision 3
One Instance is supported 1
Semantics of
Values
Default = 1/Enabled
1: Synchronized
Microseconds
Nanoseconds
Nanoseconds
Nanoseconds
Nanoseconds
Encoded MAC ADDR.
0...255 (0: best)
Index values
lower = best
seconds
Atomic, GPS, Radio
Encoded MAC ADDR.
Encoded MAC ADDR.
531