Allen-Bradley 1756-OB16E ControlLogix DC Output Module
$123.00
$320.00
Description
Product Description
The 1756-OB16E is a high-performance DC digital output module built for ControlLogix platforms. Designed by Allen-Bradley, this module provides 16 sourcing outputs with integrated electronic protection, enabling reliable switching of field devices in demanding industrial environments.
Each output channel is electronically fused, eliminating the need for external fusing and improving system protection and diagnostics. The outputs are divided into two isolated groups of eight, allowing better load distribution and simplified wiring for segmented control applications.
The 1756-OB16E is optimized for fast response and stable operation, making it suitable for discrete control tasks requiring dependable output switching.
Key Functional Characteristics
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16 sourcing DC digital outputs
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Electronic fusing on each output channel
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Outputs arranged in 2 groups for flexible load management
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Fast switching response for real-time control
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Compact single-slot design for ControlLogix chassis
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Built-in diagnostic capabilities for fault detection
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1756-OB16E |
| Product Type | DC Digital Output Module |
| Product Family | ControlLogix |
| Number of Outputs | 16 (sourcing) |
| Output Grouping | 2 groups of 8 outputs |
| Output Voltage Range | 10 to 31.2 V DC |
| Nominal Voltage | 12 / 24 V DC |
| Max Current per Channel | 1 A @ 60°C |
| Max Current per Module | 8 A @ 60°C |
| Output Delay Time | ≤ 1 ms (ON/OFF) |
| Backplane Current | 250 mA @ 5.1 V; 2 mA @ 24 V |
| Backplane Power | Approx. 1.32 W |
| Power Dissipation | Max. 4.1 W @ 60°C |
| Isolation | Group-to-group isolation (typical for this class) |
| Connection Type | 20-pin removable terminal block |
| Module Width | 1 slot |
| Mounting | ControlLogix chassis |
| Enclosure | Open-style (requires installation in cabinet) |
| Operating Temperature | 0°C to 60°C |
| Weight | 0.71 lb |
Application Scenarios
The 1756-OB16E is suited for discrete output control in manufacturing systems, including conveyor control, machine sequencing, and actuator switching. Its electronically fused outputs make it ideal for applications where protection and downtime reduction are critical, such as automotive production lines and packaging machinery.
FAQ
What is the advantage of electronically fused outputs?
Each channel is protected individually, reducing the risk of damage and simplifying maintenance compared to traditional fuse-based designs.
Is this a sinking or sourcing output module?
The 1756-OB16E provides sourcing outputs, supplying voltage to the load.
How are the outputs organized?
They are divided into two groups of eight channels, allowing separate power distribution if needed.
Can this module handle inductive loads?
Yes, but proper external suppression (such as flyback diodes) is recommended to protect outputs and extend module life.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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