Time Synchronization - Siemens siprotec 7SA522 User Manual

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SIPROTEC 4 Devices
4.13

Time Synchronization

Read-out on the
Operator Control
Panel
4-30
Time tracking in a SIPROTEC
q
DCF77 Radio Receiver (Time Signal from PTB Braunschweig),
q
IRIG-B Radio Receiver (Time Signal from the global positioning satellite (GPS) sys-
tem),
q
signals via the system interface from, for example, a substation control system,
q
radio clock using a system-specific synchronizer box,
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minute impulses on a binary input.
Time signal generators are connected via a 9-pin D-subminiature port on the back
panel of the device.
Setting of the time synchronization is done exclusively with DIGSI
• Double click on 7LPH 6\QFKURQL]DWLRQ in the data window and enter the set-
tings.
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Figure 4-26 DIGSI 4, setting of the time synchronization — example
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Using the SIPROTEC
tings can be retrieved: 0DLQ 0HQX → 6HWWLQJV → 6HWXS([WUDV → &ORFN 6HW
XS.
6(783(;75$6

'DWH7LPH
&ORFN 6HWXS
6HULDO 3RUWV
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0/)%9HUVLRQ
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Figure 4-27 Read-out of time synchronization settings from the operator control panel
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4 device can be implemented using:
4 device operator control panel, the time synchronization set-

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7SA522 Manual
C53000-G1176-C119-2