Allen-Bradley 1756-OB16IF ControlLogix Fast Isolated DC Output Module

Availability: 3 left in stock

The 1756-OB16IF is a high-speed, digitally-isolated DC output module designed for the Allen-Bradley ControlLogix 1756 chassis platform. This module provides...

SKU: 1756-OB16IF

Manufacturer: Allen-Bradley
Product No.: 1756-OB16IF
Product Type: Digital Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The 1756-OB16IF is a high-speed, digitally-isolated DC output module designed for the Allen-Bradley ControlLogix 1756 chassis platform. This module provides 16 independent sourcing output channels, enabling precise control for demanding industrial applications such as high-speed sorting, indexing, and synchronized motion control. With sub-millisecond response times and per-point isolation, it effectively manages complex electrical environments while protecting backplane components from field-side surges.

Features

16 individually isolated digital DC sourcing output channels.
Fast execution speed with response transitions under 25 microseconds.
Per-point electronic fusing for enhanced circuit protection and diagnostic feedback.
Supports CIP Sync protocol for high-precision network synchronization.
Hot-swappable design allows for module replacement without interrupting system power.
Front-panel LED indicators for real-time channel status and module health monitoring.

Applications

This module is engineered for high-performance automation tasks requiring rapid switching and electrical isolation, including:

High-speed product sorting and packaging lines.
Automated assembly and indexing machinery.
Synchronized cutting and motion-critical industrial processes.
Systems requiring mixed-voltage DC power sources on a single I/O card.

Technical Specifications

Model	1756-OB16IF
Outputs	16 Points (Individually Isolated)
Voltage Range	10 to 30 VDC
Response Time	< 25 microseconds
Output Current (Per Point)	2 A @ 30 degC, 1 A @ 60 degC
Output Current (Per Module)	8 A @ 30 degC, 4 A @ 60 degC
Backplane Power	1.7 Watts
Isolation Voltage	250 V (Continuous)
Compatible RTBs	1756-TBCH, 1756-TBS6H
Operating Temperature	0 to 60 degC

Installation Guidelines

Ensure the ControlLogix chassis is powered down before inserting or removing the module.
Use a compatible Removable Terminal Block (RTB) such as the 1756-TBCH or 1756-TBS6H for field wiring.
Maintain proper grounding practices for the chassis to ensure electromagnetic compatibility and safety.
Route signal wiring away from high-voltage power lines and sources of significant electromagnetic interference (EMI).
Verify that the field power supply is within the 10-30 VDC range before energizing the output loops.
Ensure adequate ventilation in the cabinet to maintain operating temperatures within the 0 to 60 degC range.

FAQ

Q: Does this module require a specific terminal block?
A: Yes, the 1756-OB16IF requires a 36-pin Removable Terminal Block (RTB). Compatible models include the 1756-TBCH (deep cage clamp) and 1756-TBS6H (spring clamp).

Q: Can I use different voltages on the same module?
A: Yes, because the 16 channels are individually isolated, you can connect independent DC power sources to different points on the same module without common-tie interference.

Q: What is the default state of the outputs during a fault?
A: The module is configured to default to the OFF state during a fault, though this can be programmed to Hold Last State or ON depending on your application requirements.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.