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Does Unity Pro provide system bits to monitor the batteries PLCs?

%s67 PCMCIABAT0 in Unity Pro indicates the state of the application memory card battery.
This bit is used to control the functioning of the RAM memory cartridge backup battery (top slot).

Note: Function not implemented in Quantum 140CPU31**/43** * 53**

%s68 PLCBAT in Unity Pro indicates the state of the processor battery.
This bit is used to check the operating state of the backup battery for saving data and the program in RAM.

%s75 PCMCIABAT1 in Unity Pro indicates the state of the data storage memory card battery.
This bit is used to control the functioning of the data storage memory cartridge backup battery (lower slot).

Note: Function not implemented in Quantum 140CPU31**/43** & 53**, Premium TSX P57 1**/2**/3**/4** and Atrium.

0 = battery present and operational
1 = battery missing or non-operational


The small battery of the PCMCIA card (TSX BAT M03) has no diagnostic available. The battery must be replaced before 5 years of use.

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