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The 1771-OBD is a PLC-5 Universal I/O digital output module that provides 16 sourcing outputs in a single-slot configuration. This module is used with the 1771-WH wiring arm to connect field-side wiring and is compatible with any 1771 I/O chassis in a local or remote PLC-5 system.
10...60V DC Operating Range
2A Per Point Output
Sourcing Output Configuration
The 1771-OBD operates over a voltage range of 10...60V DC and provides a maximum output current of 2A per point, not to exceed 8A per module. It features 16 red status indicators on the front panel that light up when the corresponding output is turned ON, and it is rated for a surge current of 4A per output for 10 ms.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen-Bradley 1771-OBD Digital Output Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Automotive Assembly
Used in engine block production and vehicle assembly lines to control high-current solenoid valves and motor starters. The 2A per point capacity provides robust switching for heavy-duty pneumatic and hydraulic actuators.
Petrochemical Processing
Applied in refinery control systems for managing discrete valves and alarm signaling across long-distance remote I/O links. The wide 10...60V DC operating range accommodates various field power supply configurations in hazardous areas.
Material Handling
Deployed in automated warehousing and conveyor systems to drive high-speed sorting gates and braking systems. Its ability to handle 4A surge currents ensures reliable operation when energizing large inductive magnetic loads.
Food & Beverage
Integrated into high-volume bottling and packaging machinery to manage discrete control of filling heads and capping stations. The sourcing output configuration provides a standardized interface for common industrial sensors and relay logic.
Steel Manufacturing Utilized in hot-strip mills and foundry control systems to operate heavy-duty contactors and status indicators. The module maintains functional integrity under high-temperature and high-vibration conditions typical of metal processing environments.
Water & Wastewater
Implemented in municipal treatment plants for controlling chemical dosing pumps and motorized sluice gates. It facilitates centralized management of distributed equipment via PLC-5 universal I/O chassis in remote pump stations.
Under some conditions, electrostatic discharge can degrade performance or damage the module. Observe the following precautions to guard against electrostatic damage: wear an approved wrist strap grounding device, or touch a grounded object to discharge yourself before handling the module. Do not touch the backplane connector or connector pins. If you configure or replace internal components, do not touch other circuit components inside the module; if available, use a static-free work station. When not in use, keep the module in its original static-shielded packaging.
What is the voltage range and output capacity of the Allen-Bradley 1771-OBD module?
The 1771-OBD has an operating voltage range of 10 to 60V DC and provides 16 sourcing outputs, with each output capable of delivering 2A, not to exceed 8A total per module.
Does the Allen-Bradley 1771-OBD require a specific wiring arm for installation?
Yes, the 1771-OBD module requires the 1771-WH wiring arm to connect field-side wiring, which must be ordered separately as it is not shipped with the module.
What is the backplane current draw for the Allen-Bradley 1771-OBD module?
The 1771-OBD module draws a maximum backplane current of 400mA at 5V DC from the PLC-5 I/O chassis.
How does the Allen-Bradley 1771-OBD handle surge currents for inductive loads?
The 1771-OBD is rated for a maximum surge current of 4A per output for 10 ms, repeatable every 2 seconds, to accommodate inrush from devices like solenoids.
Can the Allen-Bradley 1771-OBD be used in a remote I/O configuration?
Yes, the 1771-OBD is a Universal I/O module and can be installed in any 1771 I/O chassis that is part of a local or remote PLC-5 system.
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Focus on supplying surplus and new automation spare parts With abundant inventory and partnerships with top manufacturers, Apter Power ensure high-quality solutions for your industrial requirements
Key control components
As a trustworthy supplier of surplus components, we procure parts from projects with excess inventory, system upgrades, factory shutdowns, and surplus suppliers. Our strict quality control ensure that our products achieve optimal performance
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Many difficult to find parts, including PLC, HMI, DCS, panel controllers, industrial PCs, and VFDs. These parts help extend the lifespan of your existing system, reduce expensive replacement costs, and minimize downtime, thereby keeping your operations running smoothly
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For over 20 years, Apter Power always been a trustworthy leader in the industrial automation supply industry. As a trustworthy supplier of automation parts, we continuously expand our product line, expand our global customer base, and have won numerous awards
How do we deliver
How do we deliver
If you need complete documents to handle special situations such as letters of credit, we can ship small packages in 'cargo mode'. We can arrange freight or air freight for you, or cooperate with your freight agent
Urgency
If you require any other type of emergency or carrier, we need you to clearly specify this information on the order. We can usually ship on the same day. We do not charge additional fee, but it will depend on the expedited shipping option you use. Please let us know your level of urgency, and we will try our best to ship in the same day once you place order to us.
Freight Charge
If you contact us by phone, fax, or email, we can also provide you with this information. The product price does not include shipping or insurance fee. If you need, we are happy to provide a shipping quote and also can provide weight and size information. If you require proforma invoice, please let us know if you would like us to quote the shipping cost or if you would like us to use your shipping account.
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Our long-term success stems from our commitment to quality, reliability, and customer satisfaction. Whether you are purchasing rare spare parts. Apter Power stands out among industrial automation parts suppliers with its rich experience, high-quality service, and unparalleled quality assurance.
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Experienced team members assist in providing our customers with fast delivery of automation and control components, delivering to over 60000 users worldwide.
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Our extensive inventory of control systems (DCS, PLC, CNC), panel controllers, human-machine interfaces (HMI), industrial PCs, drivers, and power spare parts helps you reduce maintenance costs. Provide industrial automation spare parts that manufacturers no longer provide. We are a leading supplier that provides rare industrial automation parts to businesses of all sizes, with a strong track record of delivering the highest quality parts and services to customers at highly competitive price.
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