Allen-Bradley 1756-OB8EI | ControlLogix Digital Output Module
Specifications
Manufacturer: Allen Bradley
Product No.: 1756-OB8EI
Condition: 10 Items in Stock
Product Type: Digital Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 630g
Shipping port: Xiamen
Warranty: 12 months
Product details
Description
Overview
The Allen-Bradley 1756-OB8EI belongs to the ControlLogix product line and delivers reliable digital output performance. This module includes eight electronically fused, individually isolated sourcing channels, designed for energizing relays, pilot lamps, solenoids, alarms, and other actuating devices. Its compact build occupies a single ControlLogix chassis slot while offering robust output capabilities at 24VDC.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Product Line | ControlLogix |
| Part Number | 1756-OB8EI |
| Module Type | Digital DC Sourcing Output |
| Weight | 0.50 lbs (0.23 kg) |
| Number of Outputs | Eight (8) fused, isolated channels |
| Output Voltage (Nominal) | 24 VDC |
| Operating Voltage Range | 10–30 VDC |
| Output Current per Channel | 2 A at 60 °C (140 °F) |
| Output Current per Module | 10 A at 60 °C / 16 A at 55 °C |
| Power Dissipation (Max) | 4.7 W at 60 °C |
| Backplane Current (5.1 VDC) | 250 mA |
| Backplane Current (24 VDC) | 2 mA |
| Signal Delay OFF to ON | 1 ms (max) |
| Signal Delay ON to OFF | 5 ms (max) |
| Isolation Voltage | 50 V continuous, basic insulation type |
| Enclosure Type | None (open-style) |
| Terminal Block Compatibility | 1756-TBCH, 1756-TBS6H |
Key Features
-
The 1756-OB8EI provides eight electronically fused channels with individual isolation.
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Each output channel handles 2 A at 60 °C, ensuring stable operation in demanding conditions.
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It consumes only 250 mA at 5.1 VDC from the backplane, with minimal draw at 24 VDC.
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Fast response time with 1 ms ON delay and 5 ms OFF delay makes it ideal for time-sensitive control.
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Compatible with 1756-TBCH and 1756-TBS6H removable terminal blocks for easy wiring.
Applications
The Allen-Bradley 1756-OB8EI module is widely used in process automation, machine control, and safety systems. It reliably powers alarms, sirens, solenoids, and indicator devices while maintaining compact integration with ControlLogix racks.
FAQ
Q1: Is the Allen-Bradley 1756-OB8EI new and original?
Yes, we only supply brand new, factory-sealed Allen-Bradley modules.
Q2: Do you have the 1756-OB8EI in stock?
Yes, we maintain stock, and orders ship within 3 days to 2 weeks depending on volume.
Q3: Which logistics providers do you use for shipping?
We ship globally using DHL, FedEx, and UPS for fast delivery.
Q4: What happens if the 1756-OB8EI has a quality issue?
We support returns within 30 days for any confirmed quality issues.
Q5: What terminal blocks are compatible with the 1756-OB8EI?
This module works with 1756-TBCH and 1756-TBS6H removable terminal blocks.
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