ControlLogix DC Digital Input Modules
1756-IB16I
16 individually isolated inputs 12/24V DC sink/source, use 1756-TBCH, 1756-TBS6H
1756-IB16IF
16 high-speed, individually isolated inputs 12/24V DC sink/source, use 1756-TBCH, 1756-TBS6H
16 individually isolated inputs 12/24V DC sink/source, use 1756-TBCH, 1756-TBS6H
16 high-speed, individually isolated inputs 12/24V DC sink/source, use 1756-TBCH, 1756-TBS6H