Allen-Bradley 1756-OB32 ControlLogix 32-Point 12/24V DC Output Module, Sourcing
Allen-Bradley 1756-OB32 is a ControlLogix digital output module with thirty-two 12/24V DC sourcing outputs in two groups of sixteen.
Overview
The module operates over a 10-31.2V DC range on a 12/24V DC voltage category, with 3 mA minimum load current per point. It draws 300 mA at 5.1V DC and 2 mA at 24V DC (1.58 W backplane power), dissipates a maximum of 4.8 W at 60 degrees Celsius (16.37 BTU/hr) and occupies a single chassis slot.
Key Features
- 32 sourcing outputs in two groups of sixteen
- 12/24V DC voltage category, 10-31.2V DC operating range
- 3 mA minimum load current per point
- 300 mA at 5.1V DC backplane draw; 4.8 W maximum dissipation
- Single-slot width, open-style enclosure
Technical Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Product Line | ControlLogix |
| Part Number / Catalog No. | 1756-OB32 |
| UPC | 662468702997 |
| Number of Outputs | 32 Outputs |
| Number of Groups | 2 Groups of 16 Outputs |
| Voltage Category | 12/24V DC |
| Operating Voltage | 10-31.2V DC |
| Current Draw at 5.1V | 300 mA |
| Current Draw at 24V | 2 mA |
| Total Backplane Power | 1.58 Watts |
| Maximum Power Dissipation | 4.8 Watts at 60 degrees Celsius |
| Thermal Dissipation | 16.37 BTU per Hour |
| Minimum Load Current | 3 mA per Point |
| Slot Width | 1 Slot |
| Dimensions | (‘14.4 x 3.7 x 14.6 cm (5.67 x 1.46 x 5.75 in)’, {‘length’: ‘14.4’, ‘width’: ‘3.7’, ‘height’: ‘14.6’}) |
| Weight | 1.13 lbs (0.51 kg) |
Applications
The 1756-OB32 drives thirty-two 24V DC loads from one slot – interposing relays, solenoids, stack lights and drive enables – in two groups of sixteen sourcing points.
Why Buy from Us
This product is available new in original factory packaging, fully tested and backed by a standard warranty of 1 year. We ship worldwide with careful anti-static packaging and fast dispatch. Quantity discounts and repair/exchange options are available on request.
Documents
| Publication | Link |
|---|---|
| 1756-SG001 | 1756-sg001_-en-p.pdf |
Certifications
| Certification | Download |
|---|---|
| American Bureau of Shipping | 1756-ct245_-en-e.pdf |
| ATEX | 1756-ct068_-en-e.pdf |
| Australian RCM | 1756-ct254_-en-e.pdf |
| CE | 1756-ct011_-en-e.pdf |
| China CCC | 1756-ct147_-en-e.pdf |
| Eurasian Economic Community | 1756-ct302_-ru-e.pdf |
| FM Approved | 1756-ct104_-en-e.pdf |
| IECEx Scheme | 1756-ct066_-en-e.pdf |
| Safety | 1756-ct159_-en-e.pdf |
| UL Listed Hazardous | 1756-ct290_-en-e.pdf |
| UNITED KINGDOM SAFETY CERTIFICATE | 1756-ct246_-en-e.pdf |
Per the Rockwell Automation product certification listing. Please review the product label to confirm the certifications your specific unit carries.














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