4 Product description
Maschinenfabrik Reinhausen GmbH 2020
43
6385142/08 EN
ETOS
®
ED
4.8 Safety markings
The following safety markings are used on the product:
Figure 23: Overview of safety markings
1 Warning of rotating parts
2 Warning of dangerous electrical
voltage
3 Warning of hot surface
4 Read the documentation
4.9 Emergency operation during switching blocking (X100
bridge)
The monitoring function of the on-load tap-changer is only active when the
device is ready for operation and issues a signal at the digital output
Status
OK
.
If your device is equipped with the OLTC monitoring expert function pack-
age, the monitoring system can block further tap-change operations where
necessary. In this case, the monitoring system will report the event
Blocking
active
. If operation needs to be resumed despite the cause of the event not
being eliminated, you can activate emergency operation by inserting the
X100 bridge.
If the X100 bridge is inserted, drive blocking by the monitoring system is
switched to inactive. All operating values continue to be recorded and stored
by the monitoring system.