We are having HIMA H41 and HIMA H 51S PLCS IN OUR FERTILIZER COMPLEX FOR BMS LOGICS. Can anybody tell me the differences in functionality, processors, ... between H51S and H41...

 

H51 has a CPU rack and a max. of 16 I/O racks. H41 is a single rack containing CPUs and up to 13 I/O cards.