1MAC050144-MB C
Section 3
Basic functions
615 series ANSI
61
Technical Manual
The IED can use one of two SNTP servers, the primary or the secondary server. The
primary server is mainly in use, whereas the secondary server is used if the primary server
cannot be reached. While using the secondary SNTP server, the IED tries to switch back
to the primary server on every third SNTP request attempt. If both the SNTP servers are
offline, event time stamps have the time invalid status. The time is requested from the
SNTP server every 60 seconds.
IRIG-B time synchronization requires the IRIG-B format B004/B005 according to the
200-04 IRIG-B standard. Older IRIG-B standards refer to these as B000/B001 with
IEEE-1344 extensions. The synchronization time can be either UTC time or local time. As
no reboot is necessary, the time synchronization starts immediately after the IRIG-B sync
source is selected and the IRIG-B signal source is connected.
ABB has tested the IRIG-B with the following clock masters:
• Tekron TTM01 GPS clock with IRIG-B output
• Meinberg TCG511 controlled by GPS167
• Datum ET6000L
• Arbiter Systems 1088B
3.5
Parameter setting groups
3.5.1
Function block
Figure 7:
Function block
3.5.2
Functionality
The IED supports six setting groups. Each setting group contains parameters categorized
as group settings inside application functions. The customer can change the active setting
group at run time.
The active setting group can be changed by a parameter or via binary inputs depending on
the mode selected with the Configuration/Setting Group/SG operation mode setting.
IRIG-B time synchronization requires a COM card with an IRIG-B input.
Available only with some models.
Содержание 615 Series ANSI
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