Blockings
The following diagram is applies to the Z[1/2], OST, PSB, LB Protection:
[name = Z[1/2], OST, PSB, LB]
(*) All protective elements will be blocked that are using fundamental or harmonics measured values, if the
frequency leaves the nominal frequency range. Protective elements that are using RMS values will remain active.
See chapter “Wide frequency range”.
(**) This applies to devices that offer wide frequency range measurement only.
503 MCDGV4 DOK-HB-MCDGV4-2E
Blockings
GeneralProt _Y06
active
name .
ExBlo1
no assignment
1..n, Assignment List
&
Frequency is within the nominal frequency range.(*)(**)
1
38a
38b
≥1
name .
Function
inactive
active
name .
ExBlo Fc
inactive
active
name .
ExBlo2
no assignment
1..n, Assignment List
≥1
&
name . ExBlo
name . ExBlo1-I
name . ExBlo2-I
48
name .
Meas Circuit Superv
inactive
Please Refer To Diagram: Prot
Prot. active
(The General Protection module is not deactivated or blocked)
name . active
&
name . Blo by MeasCircSupv