ControlLogix Specialty I/O Modules
1756-CFM
Configurable flowmeter module 4 inputs (2 per channel) 2 outputs, current sourcing, use 1756-TBNH, 1756-TBSH
1756-HSC
High-speed counter module 2 counters, each with 3 inputs (A, B, Z for gate/ reset) 4 outputs (2 points/group), use 1756-TBCH, 1756-TBS6H
1756-LSC8XIB8I
Low speed counter module 8…24V DC counters 8 individually isolated, standard inputs, or counters, use 1756-TBCH, 1756-TBS6H
1756-PLS
Programmable limit switch module Left section: 2 groups of 4 outputs and 4 inputs each Center section: resolver interface and I/O control Right section: 2 groups of 4 outputs and 4 inputs each. Requires 3 RTBs: 1756-TBNH or 1756-TBSH