BATTERY BOARD BB1297 F. CPU 12XX
Référence : 6ES7297-0AX30-0XA0
SIMATIC S7-1200, Battery Board BB 1297 for long-term buffering of the real time clock, plug-in in the signal board receptacle of the S7-12XX (FW3.0 or higher); Battery (CR1025) not included in scope of delivery