Hi to all
I have the following doubts.. pls clarify me...
I want to buy the One s7 200 cpu from siemens.. According to my requiremet i have selected the two CPU. From the two CPU, i need only one product..
6es7214-2ad23-0xb0- (CPU 224XP, DCPS,14DI DC/10DO DC / 2AI/1AO)
6es7214-2bd23-0xb0 - (CPU 224XP, ACPS,14DI DC/10DO REL/ 2AI/1AO)
1) which is the best product? I have underlined the differences... What is the difference between these two product in all points of view?
2) for analog input and output, separate EM 235 is best? or Shall i choose the above one CPU ?(My requirement is 2AI / 1AO). Which is the best for analog i/o separate EM235 or CPU 224XP?