7 MEMORY CARD AND BATTERY

7.2Battery Specifications (For CPU Module and SRAM Card)

(1)For CPU module

Type

Q6BAT

Item

 

Classification

Manganese dioxide lithium primary

battery

 

Initial voltage

3.0V

Nominal current

1800mAh

Storage life

10 years (room temperature)

Total power failure time

Refer to Section 10.3.1.

 

Power failure backup for program

Application

memory, standard RAM and latch

 

devices

(2) For SRAM card

Type

Q2MEM-BAT

Item

 

Classification

Graphite fluoride primary battery

Initial voltage

3.0V

Nominal current

48mAh

Storage life

5 years (room temperature)

Total power failure time

Refer to Section 10.3.1.

Application

Power failure backup for SRAM card

7REMARK

Refer to Section 10.3.1 for the battery life.

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MELSEC-Q

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