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Brand: Allen-Bradley
Allen-Bradley 1769-OB16 Output Module
Description
Sixteen sourcing outputs with defined current limits
The Allen-Bradley 1769-OB16 is a 16-point sourcing DC output module in the 1769 Compact I/O range. Its operating voltage range is 20.4–26.4 V DC. It supplies switched DC output signals to compatible field loads.
The allowable output current depends on ambient temperature. At 30 °C, the manufacturer lists a maximum of 1 A per point and 8 A for the module. At 60 °C, those figures are 0.5 A per point and 4 A for the module. Both the individual load and total loading must meet the applicable limits.
Technical specifications
| Parameter | Specification |
|---|---|
| Manufacturer / family | Allen-Bradley / 1769 Compact I/O |
| Catalog number | 1769-OB16 |
| Output type / count | Sourcing DC / 16 points |
| Operating voltage | 20.4–26.4 V DC |
| Maximum point current at 30 °C | 1 A |
| Maximum module current at 30 °C | 8 A |
| Maximum point current at 60 °C | 0.5 A |
| Maximum module current at 60 °C | 4 A |
Output loading and execution choice
The 1769-OB16P protected-output execution is a distinct catalog reference. Do not transfer its specification to a plain OB16 replacement. Match the installed module, field supply, load current and wiring arrangement.
The Compact I/O bank needs the appropriate controller or adapter, power-bank arrangement and module placement. Check those details and the cabinet temperature before specifying the output module.
For multiple loads, account for the aggregate current as well as each point. Sixteen available outputs do not permit sixteen loads at the maximum per-point current when that would exceed the module total.
Documents and quotation enquiries
The manufacturer Compact I/O technical data includes the exact OB16 ratings and wiring diagram. Send the module code, quantity, system identification, field voltage, individual load currents and expected cabinet temperature.
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Datasheets & Documents
- Datasheet 1769 Compact I/O Technical Data — November 2023 Download
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About brand
Catalog numbers beginning 1756, 1734, 1746 or 5069 are read at a glance by anyone who maintains Allen-Bradley control panels. The brand, the control hardware name of Rockwell Automation, dates back to 1903 in Milwaukee, USA. Seven Star LLC sources and supplies Allen-Bradley PLC and I/O modules, communication adapters and PowerFlex drives for plants in Oman, matching catalog number, series letter and firmware against the manufacturer's documentation.
Allen-Bradley product families listed here
Current controller platforms on this page are ControlLogix, with the 1756-L85E ControlLogix 5580 controller and the 1756-PA72 chassis power supply, and CompactLogix 5380, with the 5069-L320ER and 5069-L340ERM. Distributed I/O is represented by POINT I/O: the 1734-AENTR dual-port EtherNet/IP adapter and the 1734-IB8 digital input module. Allen-Bradley drives listed are the PowerFlex 525 and PowerFlex 755. For installed systems there are SLC 500 parts: the 1746-A10 chassis, 1746-NI16I analog input module, 1747-ASB remote I/O adapter, 1747-KE interface and 1747-M13 memory module. A Trusted TMR digital input module (T8403) is also listed.
Where Allen-Bradley hardware is used
ControlLogix and CompactLogix controllers run packaged equipment and plant utilities: compressor and pump skids, water and wastewater plants, power distribution, material handling and packaging lines. PowerFlex drives control pumps, fans and conveyors. Across the GCC, a large base of SLC 500 racks is still running, and Allen-Bradley spare parts for these systems are a frequent request.
Ordering Allen-Bradley modules and drives: what we need
Send the full catalog number, the series letter and, for controllers and communication modules, the firmware revision printed on the side label. Compatibility with an existing project depends on these. For PowerFlex drives, give the complete catalog string, which encodes voltage, current rating, enclosure and options, plus the motor nameplate data. For SLC 500 parts, tell us the rack size and processor so that we can check slot and power supply loading in the manufacturer's manuals. A label photo avoids most mistakes.
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Frequently Asked Questions
Is OB16 a sinking output module?
No. The 1769-OB16 is a sourcing DC output execution.
What field voltage is specified?
The published operating range is 20.4–26.4 V DC.
Can all sixteen outputs each carry 1 A simultaneously?
The 30 °C module total is 8 A. Each point and the combined loading must stay within their separate ratings.
What changes at 60 °C?
The maximum is 0.5 A per point and 4 A for the module at 60 °C.
Is OB16P interchangeable solely because it has sixteen outputs?
It is a distinct protected-output reference. Match the exact installed execution and application requirements.
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