6AV3971-1NA03-0DA0 SIEMENS ⍾ 6AV39711NA030DA0
MEMORY MODULE FOR OP20 WITH FIRMWARE FOR CONNECT. WITH PROFIBUS (FDL), DP, SIMATIC 505, NON-SIEMENS PLC'S 256 KBYTE
MEMORY MODULE FOR OP20 WITH FIRMWARE FOR CONNECT. WITH PROFIBUS (FDL), DP, SIMATIC 505, NON-SIEMENS PLC'S 256 KBYTE