6ES72970AX300XA0, Siemens
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 SIMATIC S7-1200 Basic Controller - flexible thanks to a wide variety of communication options. Accessories suitable for any requirement are also offered for the SIMATIC S7-1200 series. These range from the battery board for long-term buffering of the real-time clock, memory cards, push-in terminals and input simulators, to the Ethernet switch with four RJ45 ports.