Mitsubishi Electric CBV2-A01D1 Instruction Manual page 19

A-07
V
Undervoltage
AB
Overvoltage
A-08
A-09
V
Undervoltage
BC
Overvoltage
A-10
A-11
V
Undervoltage
CA
Overvoltage
A-12
+
A-01
AC/DC
Auxiliary
DC/DC
power supply
Power
sourse
A-03
E
A-02
Self-diagnosis
(Except comm. card)
Power circuit
monitoring
Figure 5.2 Internal function block diagram of Type CBV2-A01D1 relay
Programmable
output
Communication card
Reception circuit
Transmission circuit
Self-diagnosis (only comm. card)
Undervoltage AB phase Ind.
Y
Undervoltage BC phase Ind.
Undervoltage CA phase Ind.
Overvoltage AB phase Ind.
X0
Overvoltage BC phase Ind.
Overvoltage CA phase Ind.
X1
Trip indication
X2
Communication indication
Run indication
Y
Self-diagnosis output
X3
X0
Undervoltage
element
X1
X4
X2
Overvoltage
element
X3
X5
X4
Trip
X5
Programmable output
B-05
Self-diagnosis output
B-06
B-07
B-08
U <
B-09
B-10
Signaling
B-11
B-12
U >
B-13
B-14
B-17
B-18
Trip
B-19
B-20
DA
B-01
Serial
DB
B-02
communication
DG
B-03 bus
SLD
B-04