User`s manual

Batteries Memory cards and batteries
MELSEC System Q, Hardware 5 – 13
Battery installation into the SRAM cards Q3MEM-4MBS and Q3MEM-8MBS
* The following figure shows the direction of a battery.
5.2.4 Handling instructions
● Do not short circuit
● Do not open the battery
● Do not place in fire
● Do not heat the battery
● Do not solder the battery
Fig. 5-14: Battery installation into memory cards Q3MEM-
Set the battery holder's
lokking switch to the
"RELEASE" position and
remove battery holder
Battery holder position
fixing switch
RELEASE position
Set the battery onto the
battery holder with the
"plus" face up.
"+" sign*
Insert the battery holder
Set the battery holder fixing
switch to the LOCK position.
LOCK position
Battery holder
Maker name
Model
Polarity
Voltage
Manufacturer number
(varies depending on
date of manufacturing)
"+" side "–" side