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1794-OB8
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Product Description
The Allen-Bradley 1794-OB8 Flex I/O Digital Output Module is a 32-channel output module designed for the Flex I/O system. This module provides 8 non-isolated sourcing outputs with 24 Volts DC nominal voltage ratings, and 500 milliamps of current rating per channel.
Other Available Revisions for the 1794-OB8 1794-OB8//A
Common misspellings:
- l794-OB8
- 179A-OB8
- 1794-0B8
- 1794-O88
- 1794-OBb
- 1794OB8
Technical Specifications for 1794-OB8
| Brand | Allen-Bradley / Rockwell Automation |
|---|---|
| Series | Flex I/O |
| Part Number | 1794-OB8 |
| Description | Flex I/O Digital Output Module |
| Current Rating | 0.5 Amps Per Channel |
| Voltage Rating | 24 Volts DC |
| Number of Outputs | 8 Digital Outputs |
| Input Type | Sourcing |
| Group Isolation | None |
| On-State Voltage Range | 10 to 31.2 Volts DC |
| On/Off Signal Delay Time | 1.0 Millisecond |
| Enclosure | Open Type |
| Dimensions | 3.7 x 3.7 x 2.7 Inches |
About 1794-OB8
The Allen-Bradley 1794-OB8 Flex I/O Digital Output Module is a standard current-sourcing digital output module that is designed for the Allen-Bradley distributed Flex I/O control system. The Allen-Bradley Flex I/O system offers all the functions of a large rack-based I/O system in a low-cost, compact, and modular design. A typical Flex I/O system consists of a terminal base unit where all I/O modules are installed, a power supply, an adapter module that relays the configuration data to and from the I/O modules, and a combination of up to 8 I/O modules. The 1794-OB8 Flex I/O Digital Output Module belongs to the current-sourcing digital output module product line. The 1794-OB8 Flex I/O Digital Output Module provides 8 sourcing output channels that are not isolated from each other and that are arranged in 2 groups of 4 channels each. Every output channel has a maximum current capacity of 0.5 Amps (with 4.0 Amps of aggregate current per module) and a 2.0 Amps surge current rating for 50.0 milliseconds.
Each of the Allen-Bradley 1794-OB8 Flex I/O Digital Output Module’s output circuits has a nominal on-state voltage rating of 24 Volts DC and a wide operating voltage range between 10 and 31.2 Volts DC. The 1794-OB8 Flex I/O Digital Output Module has a minimum on-state current of 1.0 milliamp and a maximum current rating of 500 milliamps per channel. It has a maximum voltage drop of 0.5 Volts DC per output, and a maximum leakage current of 0.5 milliamps in the off-state. The 1794-OB8 Flex I/O Digital Output Module requires voltage supply from an external DC power source which provides a 10 to 31.2 Volts DC supply voltage range and a 10 to 35 milliamps supply current range. The 1794-OB8 Flex I/O Digital Output Module requires a terminal base unit for all of its field-side wiring, and it comes with 8 yellow individually-numbered LEDs for field-side status updates.
The Allen-Bradley 1794-OB8 Flex I/O Digital Output Module is a 32-channel output module designed for the Flex I/O system. This module provides 8 non-isolated sourcing outputs with 24 Volts DC nominal voltage ratings, and 500 milliamps of current rating per channel.
F.A.Q for 1794-OB8
