Description
Allen Bradley 1771-OBN Digital Output Module – Reliable Industrial Control Solution
Looking for a robust digital output module that can handle demanding industrial environments? The A-B 1771-OBN has been a go-to solution for many of our clients in automation and process control. This module delivers consistent performance across 32 channels, making it perfect for complex control systems. We’ve had customers in the automotive sector mention how it’s simplified their assembly line operations by providing stable signal transmission even under fluctuating voltage conditions.
| Specification | Details |
| Manufacturer | Allen Bradley |
| Model | 1771-OBN |
| Module Type | Digital Output Module |
| Number of Outputs | 32 (4 sets of 8) |
| Voltage Range | 10-60V DC |
| Operating Voltage | 10-30V DC |
| Dimensions | 3.2 x 15.8 x 27 cm |
| Weight | 0.5 kg |


This module works particularly well in systems using Allen Bradley’s PLC-5 controllers. We’ve seen it deployed in chemical processing plants where precise valve control is critical, and in packaging lines requiring rapid output switching. The 32-channel configuration allows for grouping of similar process functions – think conveyor belt controls grouped in 8-channel sets. One client in the food processing industry mentioned they especially appreciate the clear LED indicators for each channel status during maintenance checks.
Our Service Commitment
Guizhou Yuanmiao Automation Equipment Co., Ltd. has been a trusted Allen Bradley distributor since 2015. Here’s what sets us apart:
- Stocked with over 50 units ready for immediate shipment
- 12-month warranty (no questions asked replacement policy)
- Technical support from engineers with 10+ years experience
- Competitive pricing – email for current discount structure
We’ve helped clients in the energy sector and automotive manufacturing get their production lines back online quickly when facing urgent replacements. WhatsApp our team for real-time availability updates or technical questions.









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