155 slot

Product Description. toke 69 slot SIMATIC S7-1500 / ET 200MP; active backplane bus 12 slots for inserting S7-1500 I/O modules for hot swapping; for use in the ET 200MP with IM 155-5 PN HF (from FW V4 4 1); S7-1500 mounting rail and slot covers to be ordered separately Product family Active backplane bus