Mitsubishi Electric CBV2-A01D1 Instruction Manual page 18

A-07
V
Filter
AB
A-08
A-09
V
Filter
BC
A-10
A-11
V
Filter
CA
A-12
+
AC/DC
A-01
DC/DC
Auxiliary
Power
power supply
source
A-03
E
A-02
S/H
A/D
S/H
Setting
switches
S/H
Self-diagnosis
(Except comm. card)
Power circuit
monitoring
Figure 5.1 Internal block diagram of Type CBV2-A01D1 relay
Numerical display
Undervoltage AB phase Ind.
Undervoltage BC phase Ind.
Undervoltage CA phase Ind.
Overvoltage AB phase Ind.
Overvoltage BC phase Ind.
Overvoltage CA phase Ind.
Trip indication
Unit indication
Communication indication
UV Test indication
Run indication
Self-diagnosis output
Y
X0
Undervoltage
element
X1
X2
Overvoltage
element
X3
X4
Trip
X5
Communication card
Reception circuit
Transmission circuit
Self-diagnosis (only comm. card)
Y
B-05
Self-diagnosis output
B-06
X0
B-07
B-08
U <
X1
B-09
B-10
Signaling
X2
B-11
B-12
U >
X3
B-13
B-14
X4
B-17
B-18
Trip contacts
X5
B-19
B-20
Programmable output
DA
B-01
Serial
DB
B-02
communication
DG
B-03 bus
SLD
B-04