Description
Product Name: 1790-OB16X Allen Braley Central control module
Product details:
The Allen-Bradley 1790-OB16X is a high-performance, compact I/O module belonging to the CompactBlock LDX I/O family. It is designed to provide a cost-effective distributed I/O solution for industrial automation systems using the DeviceNet network.
1. Product Overview
The 1790-OB16X is a digital output module that features 16 sourcing DC outputs. It serves as an interface between the control system (like a PLC) and field devices (like solenoids, actuators, or indicators), allowing for remote control over a DeviceNet link without the need for extensive point-to-point wiring back to a central rack.
2. Technical Specifications
| Parameter | Specification |
| Number of Outputs | 16 Sourcing Outputs |
| Voltage Category | 24V DC |
| Operating Voltage Range | 10V DC to 30V DC |
| Output Current Rating | 0.5A per point (max) |
| Total Module Current | 8.0A (max) |
| Communication Protocol | DeviceNet |
| Data Rate | 125K, 250K, 500K baud (Auto-baud available) |
| Power Consumption | 50mA @ 24V DC (from DeviceNet) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Mounting | DIN Rail or Panel Mount |
3. Key Advantages
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Cost-Efficiency: The CompactBlock LDX series is designed for “low-density” applications, providing exactly what you need for small-scale automation without the price tag of high-density chassis-based I/O.
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Space-Saving Design: Its slim, compact profile makes it ideal for mounting in small junction boxes or directly on machinery where space is at a premium.
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Simplified Installation: Features removable screw-terminal blocks, which allow for easier wiring and faster module replacement during maintenance.
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Flexible Integration: Since it operates on DeviceNet, it integrates seamlessly with Allen-Bradley SLC 500, CompactLogix, and ControlLogix systems.
4. Important Considerations (Precautions)
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Polarity Sensitivity: This is a Sourcing module. Ensure your field devices are compatible with a sourcing configuration (the module provides the positive voltage).
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External Power: Ensure a stable 24V DC power supply is provided to the V/C terminals to drive the output loads; do not rely solely on the DeviceNet network power for high-current loads.
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Surge Protection: When switching inductive loads (like motor starters or large solenoids), use external surge suppressors to prevent electrical noise and damage to the module’s transistors.
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Environment: Ensure the module is installed in an enclosure that meets the required NEMA or IP ratings for your specific industrial environment to avoid dust or moisture damage.
5. Product Applications
The 1790-OB16X is commonly found in decentralized control architectures, including:
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Material Handling: Controlling conveyor sorters, gates, and small motors.
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Packaging Machinery: Operating pneumatic valves and status indicators.
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Automotive Assembly: Remote I/O stations for robot cells and assembly line sensors/actuators.
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Food & Beverage: Distributed control for bottling lines and labeling machines.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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