Allen-Bradley 1756-OB16D/A ControlLogix Digital Output Module
$123.00
$320.00
Description
Allen-Bradley 1756-OB16D/A ControlLogix Digital Output Module
The Allen-Bradley 1756-OB16D/A, also cataloged as the 1756-OB16D Digital Output Module, operates as a dedicated hardware component for DC discrete signal switching and diagnostic feedback within ControlLogix chassis platforms. The module provides 16 sourcing output channels with field-level monitoring functions for industrial I/O control circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OB16D/A |
| Brand | Allen-Bradley |
| Origin | United States |
| Module Type | DC Digital Output Module with Diagnostics |
| Product Family | ControlLogix |
| Weight | 0.25 kg |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | Not specified |
| Output Channels | 16 sourcing outputs |
| Output Voltage Range | 10-30 VDC |
| Output Current per Point | 2 A max |
| Total Module Current | 16 A max |
| Isolation Voltage | 50 V continuous |
| Diagnostics | Open-wire, short-circuit, and module fault detection |
| Mounting Style | ControlLogix chassis rack mount |
| Configuration Software | Studio 5000 Logix Designer |
EtherNet/IP Deterministic Networks and I/O Density Scaling
The 1756-OB16D/A operates through the ControlLogix backplane communication architecture for deterministic data exchange between the controller and output channels. The module supports I/O density scaling by providing 16 diagnostic DC output points in a single chassis slot.
The ControlLogix platform manages module configuration, firmware flash compatibility, and communication mapping through the controller environment. Diagnostic status data is transferred through the backplane, allowing controller logic to monitor field output conditions and module status.
Frequently Asked Questions
Q: What output configuration is supported by the 1756-OB16D/A?
A: The module provides 16 sourcing DC output channels and is designed for DC load switching applications.
Q: What diagnostic functions are available on this module?
A: The module provides detection capability for conditions including open-wire faults, short-circuit conditions, and module-level faults.
Q: Can the 1756-OB16D/A operate outside a ControlLogix chassis?
A: No. The module requires installation in a compatible ControlLogix chassis and communicates through the controller backplane.
Field Installation Guidelines
Install the 1756-OB16D/A in an approved ControlLogix chassis slot and verify the module profile before assigning output addresses. Use correctly rated DC field wiring for output connections and separate output wiring from sensitive analog or communication cables.
Check load current requirements for each output channel before connection. Connect field wiring according to the module terminal documentation and apply standard industrial grounding practices. Configure diagnostic monitoring parameters within Studio 5000 Logix Designer before enabling connected field devices.
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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