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Description
Product Description
The 1756-OW16I by Allen-Bradley is a 16-channel digital relay output module engineered for the ControlLogix automation platform. Designed with individually isolated relay contacts, this module supports both AC and DC switching applications, making it suitable for mixed-voltage industrial control systems.
With a wide operating voltage range of 10–240V AC and 5–125V DC, the module can interface directly with relays, solenoids, contactors, pilot lamps, and other field devices requiring isolated relay outputs. Each output point is normally open and electrically isolated to improve signal integrity and minimize interference between channels.
The module installs directly into a standard ControlLogix chassis and occupies a single slot. Its open-style chassis-mount construction allows efficient heat dissipation and simplified maintenance in high-density PLC cabinets.
Key Features
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16 individually isolated relay output points
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Supports both AC and DC load switching
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Normally open relay contacts
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Compatible with ControlLogix chassis systems
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Single-slot module design
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Fast switching response with 10 ms maximum transition delay
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Suitable for high-voltage industrial control circuits
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Electrical isolation between channels for improved reliability
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley |
| Product Series | ControlLogix |
| Product Type | Digital Relay Output Module |
| Model Number | 1756-OW16I |
| GTIN | 10612598171467 |
| UPC | 612598171460 |
| Output Channels | 16 Outputs |
| Output Type | Relay Output |
| Contact Configuration | Normally Open |
| Isolation | Individually Isolated Contacts |
| Supported Voltage | AC / DC |
| AC Operating Range | 10–240V AC |
| DC Operating Range | 5–125V DC |
| Current Rating | 2 A per output |
| Minimum Load Current | 10 mA |
| Output Response Time | 10 ms maximum |
| Backplane Current @ 5.1V | 150 mA |
| Backplane Current @ 24V | 150 mA |
| Total Backplane Power | 4.4 W |
| Thermal Dissipation | 13.35 BTU/hr |
| Mounting Style | Chassis Mount |
| Slot Requirement | 1 Slot |
| Operating Temperature | 0°C to 60°C |
| Module Construction | Open Style |
Application Areas
The 1756-OW16I relay output module is commonly used in:
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Industrial machine control
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Conveyor and material handling systems
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Packaging automation
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Process control systems
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Motor starter and contactor control
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Mixed-voltage output applications
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Factory automation panels
FAQ
What type of loads can the 1756-OW16I control?
The module can switch both AC and DC loads including relays, solenoids, indicator lamps, contactors, and low-power motor control circuits.
Are the outputs electrically isolated?
Yes. Each of the 16 relay outputs is individually isolated to reduce electrical noise and improve channel protection.
Is the module compatible with all ControlLogix chassis systems?
The 1756-OW16I is designed for use with Allen-Bradley ControlLogix chassis and compatible Logix controllers.
Does the module require external power?
The relay outputs switch external field power while the module itself draws operating power from the ControlLogix backplane.
Features
We welcome bulk orders and have a minimum order quantity of just one unit.
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
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.
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.
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.
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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