Maintenance Mode - Siemens SIPROTEC 7SS522 V4.6 Manual

6.5

Maintenance Mode

For additional information have a look at Chapter 5.9.3, page 168.
The maintenance mode can be performed individually for each feeder as follows:
• via DIGSI at the central unit with the parameter Bay status (XX12/CU).
• via the operator panel of the central unit with the parameter
• via the operator panel of the bay unit with the F3 function key. If the feeder is already
• via the operator panel of the bay unit with the parameter Switching bay in
• via the binary input ">Isol.maint." (FNo. 7624/BU) at the bay unit.
Note
The maintenance mode can only be deactivated at the same place where it was acti-
vated. For controlling the function "bay out of service" on the bay unit, the controls on
the bay unit have to be initially enabled on-site via the BU Control parameter CTRL
REL BU (6318/CU).
from the PC To put a bay unit into maintenance mode at the central unit (PC linked to central unit)
with DIGSI proceed as follows:
To put a single bay unit into maintenance mode (PC linked to central unit or bay unit)
proceed as follows:
7SS52 V4 Manual
C53000-G1176-C182-3
Bay status (XX12/CU).
in maintenance mode, applying the F3 key will put the feeder into service.
maintenance (4503/BU).
Click Settings in the navigation window. The setting groups are shown in the func-
tion selection.
Double-click Bay units in the function selection. The Bay units window opens (Fig-
ure 6-29, page 245).
Double-click the desired bay unit. The window Bay Unit BU01 opens (Figure 6-30,
page 245). You can also click Customize....
To put the bay unit to maintenance mode, click the tab General and select in main-
tenance from the drop-down list in the right column.
→
Click DIGSI Device to transfer the parameter into the device.
Open the corresponding bay unit in DIGSI Manager.
Click Test in the navigation window.
Double-click Test in the function selection. The Tests window opens (Figure 6-22,
page 236).
Click the entry COMMUNICATION WITH CENTRAL UNIT and then click Run....
The window Test - 4500 COMMUNICATION WITH CENTRAL UNIT opens (Figure
6-31, page 246).
Click the entry Switching bay in maintenance and then click Run.... Next a pass-
word prompt takes place.
Maintenance Mode
247