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Contents
Nano-5G Series GigE Vision Camera
PTP Status
ptpStatus
Specifies dynamically the current PTP state of the device.
(ref: IEEE Std 1588-2008)
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Initializing
Initializing The port initializes its data sets, hardware, and
communication facilities. No port of the clock shall place
any PTP messages on its communication path. If one port
of a boundary clock is in the INITIALIZING state, then all
ports shall be in the INITIALIZING state.
Faulty
Faulty The fault state of the protocol. A port in this state shall not
place any PTP messages except for management
messages that are a required response to another
management message on its communication path. In a
boundary clock, no activity on a faulty port shall affect the
other ports of the device. If fault activity on a port in this
state cannot be confined to the faulty port, then all ports
shall be in the FAULTY state.
Disabled
Disabled The port shall not place any messages on its
communication path. In a boundary clock, no activity at
the port shall be allowed to affect the activity at any other
port of the boundary clock. A port in this state shall
discard all PTP received messages except for management
messages.
Listening
Listening The port is waiting for the announceReceiptTimeout to
expire or to receive an Announce message from a master.
The purpose of this state is to allow orderly addition of
clocks to a domain. A port in this state shall not place any
PTP messages on its communication path except for
Pdelay_Req, Pdelay_Resp, Pdelay_Resp_Follow_Up, or
signaling messages, or management messages that are a
required response to another management message.
PreMaster
PreMaster The port shall behave in all respects as though it were in
the MASTER state except that it shall not place any
messages on its communication path except for
Pdelay_Req, Pdelay_Resp, Pdelay_Resp_Follow_Up,
signaling, or management messages.
Master
Master The port is behaving as a master port.
Passive
Passive The port shall not place any messages on its
communication path except for Pdelay_Req, Pdelay_Resp,
Pdelay_Resp_Follow_Up, or signaling messages, or
management messages that are a required response to
another management message.
Uncalibrated
Uncalibrated One or more master ports have been detected in the
domain. The appropriate master port has been selected,
and the local port is preparing to synchronize to the
selected master port. This is a transient state to allow
initialization of synchronization servos, updating of data
sets when a new master port has been selected, and other
implementation-specific activity.
Slave
Slave The port is synchronizing to the selected master port.
GrandMaster
GrandMaster The port is in the GrandMaster state (i.e. has the best
clock). The camera can become GrandMaster only if the
PTP Mode=Automatic and there
’
s another device on the
network that was Master.
Error
Error One or more ports have an error state.
PTP Time (in ns)
ptpTime
Sets the reference PTP timstamp, in nanoseconds. This
used when this camera is the PTP Master. Refer to
ptpStatus
for the current PTP Master/Slave state of the
camera.
Note that feature write propagation delays between the
host an camera clock hardware must be taken into
account for real-time clock accuracy when using a UTC
time reference.
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PTP Time (Human
Readable)
ptpTimeText
Converts PTP tim as UNIX epoch to human-readable date
in UTC+00 time zone. This value gets updated when
timestampControlLatch
is executed.
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Страница 184: ...182 Contents Nano 5G Series GigE Vision Camera Nano 5G Generic Power Supply with no I O ...
Страница 186: ...184 Contents Nano 5G Series GigE Vision Camera Cable Assembly Right Angle I O to Euro Block ...
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