SIMATIC S7-300, CPU 315-2DP 1998-03-15... 1999-05-01 SIMATIC S7-300, CPU 315-2 DP CPU WITH INTEGRATED 24 V DC POWER SUPPLY, 64 KBYTE WORKING MEMORY 2ND INTERFACE DP-MASTER/SLAVE 16-Bit Single-Chip Microcontroller ...
SIMATIC S7-300, CPU 315-2DP 1998-03-15... 1999-05-01 SIMATIC S7-300, CPU 315-2 DP CPU WITH INTEGRATED 24 V DC POWER SUPPLY, 64 KBYTE WORKING MEMORY 2ND INTERFACE DP-MASTER/SLAVE 16-Bit Single-Chip Microcontroller ...
Siemens - 6ES72970AX300XA0 - SIMATIC S7-1200, BATTERY BOARD, LONG-TERM BACKUP OF THE REALTIME CLOCK - Allied Electronics & Automation
Siemens S5-95U Battery for Simatic S5 Controller
www.g-tronic.com : Back up batteries, parts and spare parts for Siemens plc controls Simatic S5 and S7