3
Communication (continued)
3.4 Upgrading Firmware for the Power Module (continued)
Before upgrading your fi rmware, please verify the fi rmware version using the control panel (Fig 3.4a).
(Maintenance
Others
To upgrade the power module's fi rmware:
a) Confi rm that the Main Input Breaker (Q1) and Output Breaker (Q4) are both OFF, and that the Bypass Input Breaker (Q2) and Manual Bypass
Breaker (Q3) are both ON. (Figure 3.4b)
PM1
PM2
PM3
PM4
SN & FW Version)
M
M
E
E
A
A
S
S
U
U
U
U
P
P
S
S
S
S
M
M
A
A
I
I
N
N
T
T
M
M
A
A
I
I
N
N
T
T
E
E
S
S
T
T
A
A
T
T
I
I
E
E
V
V
E
E
N
N
T
T
M
M
A
A
N
N
U
U
A
A
F
F
I
I
R
R
M
M
W
W
O
O
T
T
H
H
E
E
R
R
O
O
T
T
H
H
E
E
R
R
S
S
S
S
N
N
&
&
S
S
Y
Y
S
S
T
T
E
E
M
M
O
O
D
D
U
U
L
L
R
R
E
E
E
E
T
T
U
U
P
P
E
E
N
N
A
A
N
N
C
C
E
E
N
N
A
A
N
N
C
C
E
E
S
S
T
T
I
I
C
C
L
L
O
O
G
G
L
L
S
S
E
E
T
T
U
U
P
P
&
&
T
T
A
A
R
R
E
E
U
U
P
P
G
G
R
R
A
A
D
D
E
E
S
S
F
F
W
W
V
V
E
E
R
R
S
S
I
I
O
O
N
N
M
M
T
T
I
I
M
M
E
E
E
E
D
D
C
C
B
B
U
U
S
S
V
V
O
O
L
L
Fig 3.4a
Q4
Q3
Manual
Output
Bypass
Q1: Input Circuit Breaker
Q2: Bypass Input Circuit Breaker
Q3: Manual Bypass Circuit Breaker
Q4: Output Circuit Breaker
Fig 3.4b
83
E
E
S
S
T
T
T
T
Q2
Q1
Bypass
Main
Input
Input