Bay type No. 179 Busbar measurement bay with other switchgear unit, single busbar

M15.903.R02

Switchgear unit

Binary input

Output relay

Q1 (DEV01)

Open

U A01

K A01

Close(d)

U A02

K A02

Q8 (DEV02)

Open

U A03

K A03

Close(d)

U A04

K A04

Tab. A-769: Assignment of Binary Inputs and Output Relays

Switchgear unit	Control O/C	Interlock equation
Q1	Close(d)	(Q8=0)
Q8	Close(d)	(Q1=0)

Tab. A-770: Bay Interlock Equations for Operation without Station Interlocking

Switchgear unit	Control O/C	Interlock equation
Q1	Close(d)	(Q8=0)
Q8	Close(d)	(Q1=0)

Tab. A-771: Bay Interlock Equations for Operation with Station Interlocking