Siemens 3rs17 simirel interface converter siemens 3rs1702 1cd00 the siemens 3rs1702 1cd00 is a simirel single interface converter that is ideal for applications where signals must be converted or isolated it doesnt matter whether it involves electrical isolation converting analogue signals or converting from analogue signals to a frequency this converter will provide you with a solution even non normalised signals are quickly converted into normalised signals siemens 3rs1702 1cd00 inter