UTC: Coordinated Universal Time ("temps universel coordonné"), also
referred to as ZULU time
TAI: Temps Atomique International
GPS: The raw GPS time as transmitted by the GNSS satellites (as of 5-
August-2019, this is currently 18 seconds ahead of UTC time).
If GPS or TAI time is used, then the proper timescale offsets must be set on
the MANAGEMENT: OTHER > Time Management page. (See "The Time
Management Screen" on page136 for more information on how to configure
and read the System Time). Local timescale allows a Local Clock to apply a
time offset for Time Zone and DST correction.
A Local Clock can be set up through the Time Management page:
This option will appear under the name of the local clock you have set
up. See for more information. Local timescale allows a Local Clock to
apply a time offset for Time Zone and DST correction.
The incoming input time information may be provided as local time, but
System Time may be configured as UTC time, so internal computations
need to be performed. With the Timescale field set to “Local”, select
the name of a previously created Local Clock.
Baud Rate: Determines the speed at which the output port will operate.
Data Bits: Defines the number of Data Bits for the output port.
Parity: Configures the parity checking of the output port.
Stop Bits: Defines the number of Stop Bits for the output.
3.
Click Submit.
2.7.4.5 Event Broadcast (ASCII Output)
The Event Broadcast functionality is available without a license through the multi-I/O con-
nector and configured through the WebUI. The Event Broadcast system consists of an
Event Input and an Event Broadcast output. Both the input and output for this fuctionality
have settings and options.
When the defined signal edge is detected on the Event Input GPIO Connector, an ASCII
message is created containing the current time, and Event Broadcast through the RS-
232 Output port.
ASCII messages are stored in a Message Buffer . The message buffer can store
512entries before overflowing. Messages may be lost if the buffer overflows.
Messages can be output in one of two ways:
54
CHAPTER 2 • VersaSync User Manual Rev. 7.0
2.7 Configuring Inputs/Outputs
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