SIPLUS S7-1500 DQ 16X24VDC/0.5A -40 … +70 GRAD C STARTUP -25GRAD C MIT CONFORMAL COATING BASED ON 6ES7522-1BH01-0AB0 .16 CHANNELS IN GROUPS OF 8, 4 A PER GROUP; SINGLE-CHANNEL16 CHANNELS IN GROUPS OF 8, 4 A PER GROUP; SINGLE-CHANNEL DIAGNOSIS; SUBSTITUTE VALUE