Siemens 6MD86 - Cycle Control with Operating Mode 2: with Pickup;With Action Time

[loauswir-140611-01.tif, 1, en_US]
Figure 7-35
Cycle Control with Operating Mode: With Tripping/With Action Time
Cycle Control with Operating Mode 2: With Pickup/With Action Time
The cycle control checks the readiness for each automatic reclosing cycle and controls the process of the
action time(s). In Figure 7-36, the cycle control is illustrated.
Cycle Availability
The cycle availability is influenced through the parameterization of the dead time and through a binary input.
In this way, setting the parameter Dead time aft.1ph. pickup to invalid avoids an automatic
reclosing after 3-pole tripping due to 1-phase short circuits. This also applies to Dead time aft.2ph.
pickup and Dead time aft.3ph. pickup. If all 3 dead times are set to invalid, the respective
reclosing cycle will be completely blocked. With the binary input
>Block 79 cycle , you can block the asso-
ciated automatic reclosing cycle.
7.2.4.7
Protection and Automation Functions
7.2 Automatic Reclosing Function
SIPROTEC 5, High-Voltage Bay Controller, Manual 555
C53000-G5040-C015-9, Edition 11.2017