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Allen-Bradley 1746-OB8 Sourcing DC Output Module

Allen-Bradley 1746-OB8 Sourcing DC Output Module

Product Name: Sourcing DC Output Module

Brand Name: Allen-Bradley

Model Number: 1746-OB8

Place of Origin: USA

Warranty: 12 Months

Whatsapp：+86 18020776782

Email：[email protected]

Appurtenance:

allen bradley 1746 ob8 sourcing dc output module-1

Overview
Specifications
Commercial Terms
Description
Features
FAQ
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Why Choose Us
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Contact Info

Sales	Email	Phone/Whatsapp
Jim Pei	[email protected]	+86 18020776782

Specifications

Product Name	Allen-Bradley 1746-OB8 Sourcing DC Output Module
Manufacturer	Allen-Bradley
Product Type	Sourcing DC Output Module
Part Number	1746-OB8
Weight	0.18kg
Estimated shipping dimensions	14.4x3.4x13cm
Place of shipment	Xiamen, China
Country of origin	USA
Product Series	SLC 500
Product Type	Sourcing DC Output Module
Voltage Category	24 VDC
Operating Voltage Range	10–50 VDC Source
Number of Outputs	8
Points per Common	8
Output Type	Transistor Output, Sourcing
Backplane Current Draw @ 5 VDC	0.135 A
Backplane Current Draw @ 24 VDC	0.0 A
Signal Delay – ON	0.1 ms Maximum
Signal Delay – OFF	1.0 ms Maximum
Maximum Off-State Leakage	1 mA
Minimum Load Current	1 mA
Maximum Continuous Current per Point @ 30°C	1 A
Maximum Continuous Current per Point @ 60°C	0.50 A
Maximum Continuous Current per Module @ 30°C	8 A
Maximum Continuous Current per Module @ 60°C	4 A
Maximum On-State Voltage Drop	1.2 V @ 1.0 A
Maximum Surge Current	3 A for 10 ms
Power Dissipation per Point	0.775 W
Minimum Power Dissipation	0.675 W
Total Power Dissipation	6.90 W
Primary Function	Provides 8 sourcing transistor DC outputs for SLC 500 control systems

Commercial Terms

Minimum Order Quantity	1 Piece
Price	Contact for Jim
Packaging Details	Original new Factory Sealed
Delivery Time	3–7 Days
Payment Terms	T/T
Shipping Method	DHL / FedEx / UPS / TNT
Supply Ability	In stock

Description

The Allen-Bradley 1746-OB8 is an 8-point Sourcing DC Output Module designed for SLC 500 industrial automation systems. Featuring sourcing transistor outputs, a 10–50 VDC operating range, and fast switching response, the module provides reliable control of DC field devices such as relays, solenoids, indicators, and actuators. The Allen-Bradley 1746-OB8 is well suited for machinery, manufacturing, material handling, and legacy SLC 500 control applications requiring dependable 24 VDC output control.

Features

The Allen-Bradley 1746-OB8 provides eight sourcing transistor DC outputs for reliable control of industrial field devices in SLC 500 systems.
Supports a wide 10–50 VDC operating range, providing flexibility for common 24 VDC and other compatible DC control applications.
Sourcing transistor output architecture is suitable for compatible sinking field loads such as relays, solenoids, indicators, and actuators.
Fast switching performance with a maximum 0.1 ms ON delay supports responsive machine sequencing and discrete control applications.
Provides up to 1 A continuous current per output at 30°C for controlling a variety of industrial DC loads.
Supports up to 8 A total continuous module current at 30°C, providing useful output capacity for multi-device applications.
Surge current capability of up to 3 A for 10 ms helps accommodate compatible loads with short-duration startup current requirements.
Direct SLC 500 backplane integration simplifies communication with the processor and eliminates the need for a separate external output gateway.
Low off-state leakage helps maintain predictable operation of connected discrete field devices when outputs are switched off.
The 1746-OB8 SLC 500 DC Output Module is a practical solution for maintenance, replacement, and expansion of established Allen-Bradley automation systems.

FAQ

Q1: What is the Allen-Bradley 1746-OB8 Sourcing DC Output Module?
The 1746-OB8 is an 8-point sourcing transistor DC output module designed for Allen-Bradley SLC 500 control systems and industrial discrete output applications.

Q2: What voltage range does the 1746-OB8 support?
It operates across a 10–50 VDC source range, making it suitable for common industrial DC control circuits.

Q3: What type of outputs does the Allen-Bradley 1746-OB8 provide?
The module provides eight sourcing transistor outputs for controlling compatible sinking DC field loads.

Q4: What devices can be controlled by the 1746-OB8?
The 1746-OB8 can control compatible DC relays, solenoids, indicators, actuators, and other discrete field devices used in industrial automation systems.

Q5: How fast is the output response of the 1746-OB8?
The module has a maximum ON signal delay of 0.1 ms and a maximum OFF delay of 1.0 ms, supporting responsive machine control.

Q6: What is the output current capacity of the 1746-OB8?
The 1746-OB8 supports up to 1 A continuous current per point and 8 A per module at 30°C, with reduced ratings at higher temperatures.

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