SIEMENS SIMATIC S7-300 Loadable drivers for CP 341, Modbus slave (RTU format), single license for 1 installation R-SW, without SW and without documentation, HW dongle
ENDED SIEMENS SIMATIC S7-300 MMC memory, For data recording up to 16 MB
SIEMENS SIMATIC S7-300 Measuring range module for analog inputs