Mitsubishi A2CCPU User Manual

8. MAlNTENANCE AND INSPECTION /MELSEC.-A
8.3.2 Replacing procedures
(1) Procedures
(a) Turn off the A2C.
(b) Disconnect the battery lead connector from the connector
on the A2C board.
(c) Remove the battery from the battery holder
by pressing
down the holder lug.
(d) Insert a new battery.
e
(e) Connect the battery lead connector with the battery
connector on the A2C board.
(f) Turn on the A2C.
P
(9) Check that the low battery flag (M9006) is reset. If it is set,
replace the battery again.
d
7
(2) Caution
Replace the battery within the guaranteed period specified in
Table
8.4. If it takes longer than the guaranteed period,
sequence programs
or latched data would be lost.
'7 , d' 3
I Capacitor backup time (minute) I
I
Guaranteed period (MINIMUM) 1 Under normal operating conditions I
~ ~~ ~ ~~
9
Table 8.4 Capacitor Backup Time
20
7
d
1
d
1
Battery
Blue lead
3
Red lead
1
Board connector Battery lead connector

Mitsubishi A2CCPU Specifications

General

Brand	Mitsubishi
Model	A2CCPU
Category	Controller
Language	English