The Allen-Bradley 1769-OB8 is a compact solid-state 24V DC digital source and high-current output module. It is part of the 1769 Series of Compact I/O Modules. This family of modules can be used for expansion I/O in a MicroLogix controller, in an assembly with an EtherNet (1769-AENTR)/DeviceNet (1769-ADN) adapter, or with a CompactLogix controller.
The 1769-OB8 features the read/writable configuration data that can be programmed to maintain the last state and user-defined conditions.
The 1769-OB8 24V DC Digital Source I/O Module provides 8 outputs total with 4 points per group. Its voltage range is 20.4-26.4V DC. Its current draw is 145 mA at 5.1V. Its surge current of 4A for 10 ms is repeatable every 2 seconds. The input data file of the output module does not reflect the electrical state of the output terminals – whether shorted or open. It reflects the output data echo of the module.
The 1769-OB8 Module can be mounted on DIN rail or panel. Before or after mounting, the 1769-OB8 can be assembled with a controller or an adjacent I/O module to work with another system. To ensure proper electrical connections, lock the bus connectors together.
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| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1769-OB8 |
| Product Line | CompactLogix |
| Module Type | DC Output Module |
| Input Type | Digital Output |
| Communication Cable | 8 Point |
| Shipping Weight | 2 lbs. |
| Shipping Dimensions | 8X8X5 in. |
| Series | A and B |
| Wire Size (Stranded) | 22-16 AWG |
| Replacement Terminal Block | 1769-RTBN18 |
| Replacement Door | 1769-RD |
| Mounting | Panel Mount or DIN Rail |