Chassis-Based I/O
Chassis based I/O modules that slot into a PLC backplane to deliver dense, high speed signal handling in large and distributed plant control systems today. Genuine Allen-Bradley 1756 and 1769 input and output cards are stocked, with firmware revision and replacement options confirmed in a quote.
Product family I/O ModulesModels listed 216Availability Available to quote

Available Products
Quote an Unlisted ModelChassis-Based I/O Product Directory
Products below are read from WooCommerce. Select a product to view its current details and inquiry options.
| Catalog Number | Series / Type | Description | Price & Availability | Product Page |
|---|---|---|---|---|
| 1756-OB32K | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OB32K is a ControlLogix 32 Point Digital Output from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 32. | $465.43Available to quote | View product → |
| 1756-OB8 | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OB8 is a ControlLogix 8 Pt 12/24V DC D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 24 V, 8. | $296.76Available to quote | View product → |
| 1756-OB8EI | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OB8EI is a ControlLogix 8 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $388.34Available to quote | View product → |
| 1756-OB8EIK | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OB8EIK is a ControlLogix 8 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $426.60Available to quote | View product → |
| 1756-OB8K | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OB8K is a ControlLogix 8 Pt 12/24V DC D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 24 V, 8. | $326.32Available to quote | View product → |
| 1756-OBV8S | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OBV8S is a Control Logix Safety Io Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. | $529.77Available to quote | View product → |
| 1756-OC8 | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OC8 is a ControlLogix 8 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $344.87Available to quote | View product → |
| 1756-OC8K | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OC8K is a ControlLogix 8 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $379.07Available to quote | View product → |
| 1756-OF4 | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF4 is a ControlLogix 4 Point A/O I Or V Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 4. | $765.09Available to quote | View product → |
| 1756-OF4K | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF4K is a ControlLogix 4 Point A/O I Or V Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 4. | $753.50Available to quote | View product → |
| 1756-OF8 | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8 is a ControlLogix 8 Pt A/O I Or V Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,263.56Available to quote | View product → |
| 1756-OF8H | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8H is a ControlLogix 8 Pt A/O I Or V Hart Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,582.34Available to quote | View product → |
| 1756-OF8HK | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8HK is a ControlLogix 8 Pt A/O Hart Iso Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,727.25Available to quote | View product → |
| 1756-OF8I | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8I is a ControlLogix 8 Point Analog Output from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,646.10Available to quote | View product → |
| 1756-OF8IH | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8IH is a ControlLogix 8 Pt A/O Hart Isolated from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,970.68Available to quote | View product → |
| 1756-OF8IHK | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8IHK is a ControlLogix 8 Pt A/O Hart Iso Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $2,138.77Available to quote | View product → |
| 1756-OF8IK | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8IK is a ControlLogix 8 Point Analog Output Isola from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,814.19Available to quote | View product → |
| 1756-OF8K | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OF8K is a ControlLogix 8 Point Analog Output from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $1,373.68Available to quote | View product → |
| 1756-OG16 | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OG16 is a ControlLogix 16 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 16. | $299.66Available to quote | View product → |
| 1756-OH8I | Chassis-Based I/OProduct model | The Allen-Bradley 1756-OH8I is a ControlLogix 8 Point D/O Module from the ControlLogix Chassis / I/O Module family, designed to build rack-mounted ControlLogix and PLC-5 I/O systems on a shared chassis and backplane. Rated 8. | $464.27Available to quote | View product → |
About the Chassis-Based I/O Family
Chassis based I/O modules that slot into a PLC backplane to deliver dense, high speed signal handling in large and distributed plant control systems today. Genuine Allen-Bradley 1756 and 1769 input and output cards are stocked, with firmware revision and replacement options confirmed in a quote.
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