Control During Operation
7-577SA6 Manual
C53000-G1176-C156-2
7.4.7 Switching Mode
The switching mode can be changed during operation; so, for example, non-inter-
locked switching can be enabled during the commissioning of the installed equipment.
From the
DeviceFront
Devices with graphic display the switching mode is determined by the lower key-oper-
ated switch. If the key-operated switch is in horizontal position (
test), non-interlocked
switching is admitted. If it is in vertical position (
normal), only interlocked switching is
admitted.
Otherwise use the device control menu: with a device ready for operation, first press
the key. The
MAIN MENU appears.
Using the key, select the menu item
Control and move to editing the control func-
tions with the key. The selection
CONTROL appears.
Here, select the menu item
Switch Mode with the key and switch to the next se-
lection using the key. The selection
SWITCH MODE appears (see Figure 7-58).
Figure 7-58 Operating Menu for Switching Mode Using Front Panel
Pressing the key opens a selection window in which the options INTERLOCKED/
NON-INTERLOCKED
are offered.
Make the choice using the and keys, and confirm with the key.
Acknowledge the safety inquiry that follows by again pressing the key. Use the
keytoreturntothe
CONTROL level.Pressthe keytoreturntotheMAIN MENU.
DANGER!
Only highly qualified personnel who have an exact knowledge of the power sys-
tem conditions shall perform non-interlocked switching. Inappropriate switch-
ing operations can lead to death, serious personnel injury and property dam-
age.
MENU
CONTROL 05/05
--------------------
>Switch Auth –> 4
>Switch mode –> 5
ENTER
PW Unlock Control?
=-------
Enter password No. 2 (for non-interlocked
switching) and acknowledge with
ENTER
SWITCH MODE
--------------------
SwMod Local >NO
SWI
--->INTERLOCKED -
IN NON–INTERLOCKED
NO
ENTER
ENTER
ENTER
ENTER
MENU