Allen-Bradley 1746-OB32E SLC 500 32-Point DC Output Module
The Allen-Bradley 1746-OB32E is a 32-point 24V DC digital output module from the SLC 500 series by Rockwell Automation. It provides high-density output for industrial control applications with built-in electronic protection.
Technical Specifications
- Brand & Model: This Allen-Bradley 1746-OB32E module offers thirty-two 24V DC output channels.
- Output Specifications: Each output handles 0.5A or 0.25A with a total module current of 8A.
- Voltage Range: It operates within a wide DC voltage range from 10 to 30 volts.
- Response Time: The module features a fast step response of 60 ms in and 2.5 ms out.
- Signal Delay: Turn-on delay is 0.1 ms while turn-off delay is 1.0 ms.
- Protection Features: It includes electronic protection against short circuits and overloads.
- Thermal Management: The module auto-resets after thermal cut-out activation.
- Installation: You can install this module in any SLC 500 fixed or modular chassis.
- Visual Indicators: LED status lights show the condition of each output point.
- Wiring: Use color-coded removable terminal blocks for easy connections.
- Environmental Rating: Operating temperature ranges from -13° to 140° Fahrenheit.
- Vibration Resistance: It withstands 2g operating vibration from 10-500 Hz.
- Shock Tolerance: The module can handle 30g operating shock impacts.
- Backplane Power: It consumes 190 mA at 5V DC from the backplane.
- Compatibility: Works seamlessly with all SLC 500 processors and systems.
Comparison With Other Modules
The 1746-OB32E provides output functionality while the 1746-IA16 serves as an AC input module.
Unlike the 1746-IA4 which has 4 inputs, this module offers 32 outputs.










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