Xycom XVME-956 Series Manual page 83

Chapter 5 - Memory Expansion Module (XVME-956/101)
5.5 B A T T E R Y BACKUP CONFIGURATION AND BATTERY INFORMATION
This section covers how to connect external backup batteries to protect the contents of SRAMs. I t also
discusses important safety aspects of using lithium batteries.
5.5 A Safety Information
Lithium batteries may explode if mistreated. Please observe the
following important safety precautions:
• D o not recharge, disassemble, heat above 100°C (212°F), or dispose of in fire.
• Dispose of used batteries promptly. K E E P AWAY FROM CHILDREN.
• E x t e r n a l batteries MUST NOT exceed 4.0 V or damage to the module may result.
• O b s e r v e correct polarity when installing the backup battery. Reversed polarity can
damage the module, and can cause the battery to explode.
5-14
Table 5-15. Summary of Jumper Array (W3, W8)
FUNCTION
From SA19 (PS3)
To socket pin 1 and W2/W7 pin 2
Table 5-16. Summary of Jumper Array (W4, W9)
FUNCTION
From address bit A 17 (PS1)
From back-up battery power
To socket pin 30
From socket pin 32
From socket pin 32
From Vcc
WARNING
PIN
1
2
PIN
1
2
3
4
5
6