Description
The Allen-Bradley 1734-OB8 is a high-density digital DC sourcing output module designed for the POINT I/O platform. It provides eight output channels capable of driving various 24V DC loads, making it suitable for distributed I/O applications in industrial automation environments.
Features
- 8-point digital DC sourcing output configuration.
- Electronically protected outputs for enhanced reliability.
- Integrated module and network status indicators (green/red).
- Dedicated logic-side status indicators (yellow) for each output channel.
- Compact design optimized for space-constrained control cabinets.
- Seamless integration with the POINTBus backplane.
Technical Specifications
| Module Type |
Digital DC Sourcing Output |
| Number of Outputs |
8 |
| Output Voltage Range |
10-28.8V DC |
| Output Current |
3 Amps per module |
| Power Dissipation |
2.0 Watts / 6.8 BTU/hour |
| POINTBus Current |
75 mA |
| Operating Temperature |
Refer to system manual |
Installation Guidelines
- Ensure the system power is disconnected before installing or removing the module from the POINT I/O base.
- Mount the module on a standard DIN rail, ensuring it is securely seated in the base unit.
- Verify that the module is compatible with the existing POINTBus backplane configuration.
- Use appropriate shielded cabling for output signals to minimize electromagnetic interference (EMI).
- Ensure proper grounding of the DIN rail system to maintain signal integrity and safety.
- Maintain adequate clearance around the module to allow for proper thermal dissipation.
FAQ
What is the primary function of the 1734-OB8?
The 1734-OB8 is a digital output module used to control 24V DC field devices such as solenoids, relays, or indicators within an Allen-Bradley POINT I/O system.
Are the outputs protected?
Yes, the 1734-OB8 features electronic protection to safeguard the module against short circuits or overcurrent conditions on the output channels.
How do I monitor the status of the outputs?
The module includes 8 yellow status indicators on the logic side, which provide visual confirmation of the state of each individual output channel.
