Rockwell 1756-IB16D 12/24 V DC Sink ControlLogix Digital Input Module. Operating voltage 10 to 30V DC, 16 diagnostic inputs (4 points/group)
Rockwell 1756-IF8IH Isolated, 8-channel, current-only input module capable of HART communication on all channels
Rockwell 1756-IR12 analog input module 12 channels -3 wire RTD mode. It has a 24-bit resolution and input that includes 1 to 500, 2 to 1000, 4 to 2000, and 8 to 4000 Ohms ranges.
Rockwell 1756-OF8, 8 Channel Output Module, ControlLogix, Analog, 8 Point, Single Ended Outputs, Current and Voltage
Rockwell 1756-OW16I I/O Module, ControlLogix, Digital Isolated Contact Output, 16 Channel, 0.25 Amp at 125 Volt DC, 2 Amp at 125/240 Volt AC