Allen-Bradley 1756-OB16IS ControlLogix Output Module Isolated Output Module
$612.50
Out of stock
Request QuoteThe 1756-OB16IS is an Allen-Bradley ControlLogix 16-channel individually isolated DC sink/source output module with 8 scheduled outputs. Rated for 12/24V DC (10…30V DC operating range) with 2 A per point at 30°C / 1 A per point at 60°C. Features individual output-to-output isolation, 4 A surge for 10 ms, and scheduled output synchronization. Not internally fused — fused IFM recommended. Designed for the ControlLogix 1756 chassis platform.
| Channels | 16 individually isolated outputs (8 scheduled) |
| Voltage | 12/24V DC sink/source, 10…30V DC range |
| Output Current | 2 A @ 30°C / 1 A @ 60°C per point |
| Isolation | Output-to-output isolation |
| Slot Width | 1 |
| RTB | 1756-TBCH or 1756-TBS6H |
PLC Exchange is not an authorized distributor: Products ship in unopened, original manufacturer-marked packaging. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 1756-OB16IS
The 1756-OB16IS is an Allen-Bradley ControlLogix 16-channel individually isolated DC sink/source output module with 8 scheduled outputs. Rated for 12/24V DC (10…30V DC operating range) with 2 A per point at 30°C / 1 A per point at 60°C. Features individual output-to-output isolation, 4 A surge for 10 ms, and scheduled output synchronization. Not internally fused — fused IFM recommended. Designed for the ControlLogix 1756 chassis platform.
| Module Overview | |
|---|---|
| Catalog Number | 1756-OB16IS |
| Module Type | DC 16-Point Individually Isolated Scheduled Output |
| Channels | 16 individually isolated, 8 scheduled |
| Output Type | Sink/Source |
| Voltage Category | 12/24V DC |
| Operating Range | 10…30V DC |
| Slot Width | 1 |
| RTB | 1756-TBCH or 1756-TBS6H |
| Indicators | Module status, channel status LEDs |
| Electrical Specifications | |
|---|---|
| Current per Point | 2 A @ 30°C / 1 A @ 60°C (linear derating) |
| Current per Module | 8 A @ 30°C / 4 A @ 60°C (linear derating) |
| Surge Current | 4 A for 10 ms, repeatable every 2 s |
| On-State Voltage Drop | 1.2V DC @ 2 A |
| Leakage Current | 0.5 mA per point |
| Minimum Load | 1 mA per point |
| Fusing | Not protected (fused IFM recommended) |
| Isolation | 250V continuous, basic outputs-to-backplane, output-to-output |
| Timing & Performance | |
|---|---|
| Output Delay Off→On | 1 ms max |
| Output Delay On→Off | 2 ms max |
| Scheduled Outputs | Synchronization within 16.7 s max |
| Power & Thermal | |
|---|---|
| Current Draw | 350 mA @ 5.1V, 2.5 mA @ 24V |
| Backplane Power | 1.8 W |
| Power Dissipation | 3.6 W @ 60°C |
| Thermal Dissipation | 12.28 BTU/hr |
| Operating Temperature | 0…60°C |
| Features & Diagnostics | |
|---|---|
| Individual Isolation | Output-to-output |
| Scheduled Outputs | Yes (synchronization within 16.7 s max) |
| Fusing | Not protected (fused IFM recommended) |
| Slot Width | 1 |
PLC Exchange products ship in their unopened, manufacturer-marked Original Packaging. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1756-OB16IS
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1756-OB16IS units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1756-OB16IS
The 1756-OB16IS by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1756OB16IS
- Allen Bradley 1756-OB16IS
- Allen-Bradley 1756-OB16IS
- 1756 OB16IS
- 1756/OB16IS
- ControlLogix 1756-OB16IS
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.57 lbs |
|---|---|
| Dimensions | 3.94 × 2.28 × 5.67 in |
| mpn | 1756-OB16IS |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 612598292325 |
Dimensions & Weight for 1756-OB16IS
| Shipping Dimensions | |
|---|---|
| Weight | 0.57 lbs |
| Length | 3.94 in |
| Width | 2.28 in |
| Height | 5.67 in |
| Box Dimensions (L×W×H) | 3.94 × 2.28 × 5.67 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
Where can I find the technical datasheet for the 1756-OB16IS?
The official manufacturer datasheet is available for download on the 1756-OB16IS product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 1756-OB16IS include a warranty?
Yes. Every 1756-OB16IS sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1756-OB16IS?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1756-OB16IS ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1756-OB16IS?
The 1756-OB16IS is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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