6ES7 321-1BH10-0AA0 Digital input modules. DI16 24V, grouping 16, High Speed, supports clocking

6ES7 321-1BH10-0AA0 Digital input modules. DI16 24V, grouping 16, High Speed, supports clocking
6ES7 321-7BH81-0AB0 Digital input module DI 16xDC24V, with process and diagnostic interrupt, grouping 16, expanded temperature range suppor...
6ES7 321-7BH01-0AB0 Digital input module DI 16xDC24V, with process and diagnostic interrupt, grouping 16, supports clocking
6ES7 421-7BH01-0AB0 Digital input module; DI16, 24 VDC, grouping 8, hardware and diagnostic interrupts, substitute values
COMPARISON OF CPU'S CPU's C...