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Allen Bradley 1771 Series DC Output Module (1771-OBD)

Allen Bradley 1771 Series DC Output Module.

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ManufacturerAllen Bradley

Part number1771-OBD

Channels 16 (Non-Isolated DC Output)

Output Voltage 10-60 VDC (48 VDC Nominal)

Current Rating 2 A per output resistive, 8 A per module

Backplane Current 400 mA @ 5 VDC

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16 DC Output Channels 10-60 VDC Output Range 2 A per Channel Rating Compatible with 1771 I/O Chassis Non-Isolated Outputs Suitable for PLC-5 Systems

Product description

The Allen Bradley 1771-OBD is a 16-channel, non-isolated DC output module from the 1771 product bulletin. It provides an output voltage range of 10-60 VDC with a nominal output of 48 VDC. Each output channel is rated for 2 A resistive, with a module total not exceeding 8 A.

This output module is suitable for energizing DC-powered devices such as pilot lamps, relay coils, and solenoid actuators. It is commonly used in PLC-5 systems across various industries, including manufacturing, water treatment, and building automation, for controlling electrical loads.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 1771-OBD. We provide reliable access to quality surplus automation components, ensuring your operations remain efficient and productive.

Technical specifications

Channels	16 (Non-Isolated DC Output)
Output Voltage	10-60 VDC (48 VDC Nominal)
Current Rating	2 A per output resistive, 8 A per module
Backplane Current	400 mA @ 5 VDC
Module Type	Discrete Output
Series	1771

Common applications

PLC Output Control

Solenoid Actuation

Relay Control

Pilot Lamp Control

DC Load Switching

Industrial Automation

Compatible systems

Allen Bradley PLC-5 1771 I/O Chassis (A1B-A4B excluding A4) 1771-WH Wiring Arms

Also known as

Allen Bradley 1771 Series Output AB 1771-OBD 1771 PLC Output Module

Replaces / compatible with

The 1771-OBD is a 1771 series DC output module, compatible with 1771 I/O chassis and PLC-5 systems. It replaces earlier versions or similar 16-channel DC output modules within the 1771 family.

Technical note

Expert tip

Ensure the correct wiring arm (1771-WH, 1771-WHF, or 1771-WHFB) is used and torqued to specification for reliable connections.

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Frequently asked questions

What is the maximum current per module for the Allen Bradley 1771-OBD?

The Allen Bradley 1771-OBD module has a maximum output current rating of 2 A per output for resistive loads, with a total module current not to exceed 8 A. It also has a pilot duty rating of 0.2 A per output.