Allen-Bradley 1756-OF4 ControlLogix Output Module 4 Channel Analog Output Module
$626.50
Out of stock
Request QuoteThe 1756-OF4 is an Allen-Bradley ControlLogix 4-channel analog output module supporting voltage (±10V) and current (0…20 mA) output ranges with R-Ladder DAC conversion. Features 15-bit voltage resolution (320 µV/bit) and 16-bit current resolution (325 nA/bit), 0.05% accuracy, <2 ms settling time to 95% with resistive loads, and electronic short circuit protection limited to 21 mA. Designed for the ControlLogix 1756 chassis platform.
| Channels | 4 voltage or current outputs |
| Output Ranges | ±10V, 0…20 mA |
| Accuracy | 0.05% of range |
| Settling Time | <2 ms to 95% (resistive loads) |
| Slot Width | 1 |
| RTB | 1756-TBNH or 1756-TBSH |
Description
Allen-Bradley 1756-OF4
The 1756-OF4 is an Allen-Bradley ControlLogix 4-channel analog output module supporting voltage (±10V) and current (0…20 mA) output ranges with R-Ladder DAC conversion. Features 15-bit voltage resolution (320 µV/bit) and 16-bit current resolution (325 nA/bit), 0.05% accuracy, <2 ms settling time to 95% with resistive loads, and electronic short circuit protection limited to 21 mA. Designed for the ControlLogix 1756 chassis platform.
| Module Overview | |
|---|---|
| Catalog Number | 1756-OF4 |
| Module Type | Analog 4-Channel Voltage/Current Output |
| Channels | 4 (voltage or current) |
| Voltage Range | ±10V |
| Current Range | 0…20 mA |
| D/A Conversion | R-Ladder DAC |
| Slot Width | 1 |
| RTB | 1756-TBNH or 1756-TBSH |
| Indicators | Module status, channel status LEDs |
| Electrical Specifications | |
|---|---|
| Resolution (Voltage) | 15 bits / 10.5V (320 µV/bit) |
| Resolution (Current) | 16 bits / 21 mA (325 nA/bit) |
| Accuracy | 0.05% of range (0…21 mA, -10.4…10.4V) |
| Offset Drift | 20 µV/°C, 80 nA/°C |
| Gain Drift (Voltage) | 6 ppm/°C / 125 µV/°C |
| Gain Drift (Current) | 30 ppm/°C / 630 µA/°C |
| Module Error (Voltage) | 0.1% |
| Module Error (Current) | 0.2% |
| Drive Capability (Voltage) | >2000 Ω |
| Drive Capability (Current) | 0…750 Ω |
| Overvoltage | ±24V DC |
| Short Circuit Protection | Electronically limited to 21 mA |
| Isolation | 250V continuous, basic output-to-backplane, no isolation between channels |
| Timing & Performance | |
|---|---|
| Settling Time | <2 ms to 95% with resistive loads |
| Scan Time | 12 ms floating / 8 ms integer |
| Power & Thermal | |
|---|---|
| Current Draw | 200 mA @ 5.1V, 155 mA @ 24V |
| Backplane Power | 4.74 W max |
| Power Dissipation | 4.74…1.74 W (0…750 ohm loads) |
| Thermal Dissipation | 16.17 BTU/hr |
| Features & Diagnostics | |
|---|---|
| D/A Conversion | R-Ladder DAC |
| Short Circuit Protection | Electronically limited to 21 mA |
| Channel Isolation | No isolation between individual channels |
| Slot Width | 1 |
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-OF4
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1756-OF4 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-OF4
The 1756-OF4 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1756OF4
- Allen Bradley 1756-OF4
- Allen-Bradley 1756-OF4
- 1756 OF4
- 1756/OF4
- ControlLogix 1756-OF4
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 | 0.66 lbs |
|---|---|
| Dimensions | 3.94 × 2.28 × 5.67 in |
| mpn | 1756-OF4 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 612598171828 |
Dimensions & Weight for 1756-OF4
| Shipping Dimensions | |
|---|---|
| Weight | 0.66 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-OF4?
The official manufacturer datasheet is available for download on the 1756-OF4 product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 1756-OF4 include a warranty?
Yes. Every 1756-OF4 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-OF4?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1756-OF4 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-OF4?
The 1756-OF4 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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