Siemens BB 1297 Battery Board – 6ES7297-0AX30-0XA0
- Battery board for extending the power reserve for the Siemens 1200 real-time clock
In the event of CPU shutdown, the real-time clock of the Siemens S7 1200 battery board CPU is supplied with power by means of a high-performance capacitor. The capacitance of the capacitor determines the power reserve for the real-time clock.
The use of the plc s7 1200 battery board extends the power reserve by up to one year.
The battery board accommodates a standard button cell (CR1025) for the power supply, which can easily be replaced. The button cell is not included in the scope of supply and must be purchased separately.
The battery board is plugged like a signal board directly into the holder on the front of each S71200 CPU (FW 3.0 or higher). The installation dimensions of the CPU remain unchanged.
The maintenance LED on the board indicates when it is necessary to change the button cell. The battery status can be assessed at any time via the CPU user program.
Siemens 6ES7297-0AX30-0XA0, simatic s71200, battery board bb 1297 for long-term backup of the S7 1200 real time clock; pluggable in the signal board siemens s7-12xx cpu (fw3.0 and later); battery (cr1025) not included
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