Product Overview: Allen-Bradley 1790-T0B16X Sourcing Output Module
The Allen-Bradley 1790-T0B16X serves as a high-performance 24V DC digital sourcing output module for industrial DeviceNet networks. This CompactBlock LDX unit provides 16 non-isolated points designed to drive heavy industrial loads with precision and reliability. Oiltech Controls recommends this module for space-constrained applications requiring high-density I/O and rapid signal response times.
Core Technical Specifications
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Model Number: 1790-T0B16X
- Output Channels: 16 non-isolated sourcing points organized in two 8-point common groups
- Voltage Range: Operates at 24V DC nominal with a functional range of 10V to 28.8V DC
- Current Capacity: Supports 0.5 A maximum per output and 4.0 A maximum per common group
- Signal Timing: Achieves 0.5 ms maximum Off-to-On delay and 1.0 ms maximum On-to-Off delay
- Voltage Drop: Maintains a low 0.5V DC maximum on-state voltage drop for efficient power delivery
- Leakage Current: Features a 0.5 mA maximum off-state leakage to prevent false triggering of loads
- Power Dissipation: Consumes only 1.2 W maximum at 28.8V DC for the base logic circuit
- Isolation Protection: Provides 1250V AC RMS photocoupler isolation between I/O circuits and internal logic
- Status Monitoring: Includes 16 green LED indicators for immediate visual verification of channel status
Installation and Wiring Guidelines
- Mount the 1790-T0B16X on a standard DIN rail or use the integrated screw mounting holes
- Utilize copper or copper-clad aluminum conductors to ensure stable electrical conductivity and signal integrity
- Tighten the M3.0 terminal block screws to a maximum torque of 7 lb-in for secure connections
- Connect the DeviceNet cable to the front-facing terminal to establish communication with the primary controller
- Verify that the field power supply remains within the 10V to 28.8V DC range before operation
- Ensure proper grounding of the common terminals to minimize electrical noise interference in the system
- Contact us at info@oiltechcontrols.com for specific wiring diagrams or technical integration support
Packaging and Delivery Information
- Package includes one factory-sealed Allen-Bradley 1790-T0B16X expansion I/O module
- Protective anti-static packaging prevents electrostatic discharge damage during transit and storage
- Shipping available globally via premium carriers including FedEx, UPS, and DHL for fast delivery
- Tracking numbers provide real-time updates for all international shipments managed by Oiltech Controls
Frequently Asked Questions (FAQ)
- What is the difference between sourcing and sinking outputs?
- Sourcing outputs like the 1790-T0B16X provide positive voltage to the load from the module terminal.
- Can I use this module as a standalone device?
- This module functions as an expansion unit or base module specifically for DeviceNet industrial network architectures.
- How do I troubleshoot a non-responsive output point?
- Check the green status LED for the specific channel to confirm the logic signal is active.
- What is the best way to handle high-current inductive loads?
- Ensure the total current per common group does not exceed the 4.0 A rated limit during operation.
- How can I purchase this unit immediately?
- Reach out to our sales team via WhatsApp at +86 158 8020 0923 for current stock availability.
Author: Oiltech Controls
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