Product Details
Overview
The Allen-Bradley 1769-OA8 is a discrete output module engineered for CompactLogix PLC systems. Designed to deliver precise control over electrical loads, the module integrates seamlessly with MicroLogix 1500 and 176 controllers. With eight discrete outputs and robust electrical characteristics, the 1769-OA8 ensures reliable performance in industrial automation environments.
Specifications
Module Details
-
Model: 1769-OA8
-
Product Line: CompactLogix
-
Module Type: Output Module
-
Series: A and B
-
Number of Outputs: 8
-
Compatible Controllers: MicroLogix 1500, 176 series
Electrical Parameters
-
Input Type: Discrete/Analog Output
-
Operating Voltage Range: 85–265 V AC
-
Operating Frequency: 47–63 Hz
-
Signal Delay: Turn-on = 1/2 cycle, Turn-off = 1/2 cycle
-
Bus Current Draw: 145 mA at +5V DC (1.125 W)
Physical Specifications
-
Module Format: Compact I/O
-
Mounting: DIN rail / standard CompactLogix chassis
Features
-
Eight Discrete Outputs: Provides accurate control of electrical devices
-
Wide Voltage Range: Operates reliably between 85–265 V AC
-
Fast Response: Minimal turn-on/off delay ensures rapid signal transitions
-
Compact Design: Fits efficiently within CompactLogix PLC racks
-
Low Bus Consumption: Consumes only 145 mA at 5 V DC for energy-efficient operation
Applications
The 1769-OA8 module is ideal for controlling actuators, indicators, solenoids, and other discrete devices in factory automation, process control, and machinery systems. It is suitable for both new installations and upgrades of existing CompactLogix setups.
FAQ
Q: How many outputs does the 1769-OA8 provide?
A: The module has 8 discrete outputs for controlling electrical devices.
Q: Which controllers are compatible?
A: Compatible with MicroLogix 1500 and Allen-Bradley 176 series PLCs.
Q: What voltage range does it support?
A: The 1769-OA8 supports 85–265 V AC with a frequency of 47–63 Hz.
Q: Is it suitable for CompactLogix racks?
A: Yes, it is designed specifically for CompactLogix PLC systems.
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 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.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.