A SERVICE OF

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83
PRELIMINARY
3 Communication (continued)
3.4 Upgrading Firmware for the Power Module (continued)
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)
Before upgrading your fi rmware, please verify the fi rmware version using the control panel (Fig 3.4a).
(Maintenance
Others SN & FW Version)
Fig 3.4a
Fig 3.4b
ECN
P
A
U
N
T
E
E
E
R
T
S
U
NIAM
SPU
SAEM
ECN
P
A
U
N
T
E
E
E
R
T
S
U
NIAM
SPU
SAEM
ECNANETNIAM
CITSITATS
GOLTNEVE
TSET&PUTESLAUNAM
EDARGPUERAWMRIF
SREHTO
ECNANETNIAM
CITSITATS
GOLTNEVE
TSET&PUTESLAUNAM
EDARGPUERAWMRIF
SREHTO
TLOVSUBCDELUDOM
SREHTO
NOISREVWF&NS
EMITMETSYS
TLOVSUBCDELUDOM
SREHTO
NOISREVWF&NS
EMITMETSYS
Q4 Q3 Q2 Q1
Q1: Input Circuit Breaker
Q2: Bypass Input Circuit Breaker
Q3: Manual Bypass Circuit Breaker
Q4: Output Circuit Breaker
Output
Manual
Bypass
Bypass
Input
Main
Input
PM1
PM2
PM3
PM4