Product Details
Overview
The Allen-Bradley 1771-OGD/B is a high-performance DC output module engineered for the PLC-5 I/O platform. It provides reliable control of digital outputs across a voltage range of 5 to 125V DC. This module incorporates electrical-optical isolation and integrated filter circuits to ensure accurate signal transmission and protection against noise interference in industrial environments.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model Number: 1771-OGD/B
-
Product Type: DC Output Module
-
Compatible System: PLC-5 I/O chassis
-
Output Voltage Range: 5 to 125V DC
-
Output Configuration: Digital transistor outputs
-
Isolation Method: Optical and electrical isolation between field and logic circuits
-
Status Indicators: LED indicators for module and individual channel status
-
Filter Circuits: Integrated to suppress transient noise and signal distortion
-
Mounting Type: PLC-5 chassis slot
-
Cooling Method: Natural convection
-
Operating Temperature: 0°C to 60°C (32°F to 140°F)
-
Storage Temperature: -40°C to 85°C (-40°F to 185°F)
-
Approximate Weight: 0.45 kg (1.0 lb)
Key Features
-
Electrical-Optical Isolation: Ensures safe separation between control logic and output circuitry.
-
Wide Operating Voltage: Compatible with systems operating from 5 to 125V DC.
-
Status Monitoring: Integrated LEDs enable quick identification of active or faulted outputs.
-
Noise Suppression: Built-in filters prevent false triggering due to transient noise.
-
Industrial Durability: Designed for robust operation in control panels and distributed automation systems.
Application Scenarios
The 1771-OGD/B DC output module is commonly deployed in:
-
PLC-based machine control systems
-
Factory automation and material handling equipment
-
Power generation and process control environments
-
Industrial networks using PLC-5 distributed I/O configurations
FAQ
Q1: Is the 1771-OGD/B compatible with other PLC-5 I/O racks?
A1: Yes, it is compatible with all standard Allen-Bradley PLC-5 chassis and backplanes.
Q2: What protection features are included in this module?
A2: It includes optical isolation and noise-filtering circuits for enhanced system reliability.
Q3: What voltage range does this module support?
A3: It supports DC output operation from 5V to 125V, suitable for varied load applications.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.