Product Details
Product Description
Allen-Bradley PLC 5 Output Module – Model: 1771-OC The 1771-OC is a digital DC output module designed for the Allen-Bradley PLC 5 series. It provides eight sourcing outputs with conformal coating for enhanced durability in industrial environments. This module supports medium-voltage DC ranges and is engineered for reliable high-current switching applications.
Technical Specifications
-
Brand: Allen-Bradley
-
Product Line: PLC 5
-
Model: 1771-OC
-
Type: Digital DC Output Module
-
Number of Outputs: 8 sourcing channels
-
Voltage Range: 10–60 VDC
-
DC Operating Voltage: 42–53 VDC
-
Backplane Current Draw: 165 mA
-
Max Continuous Current per Output: 1.5 A
-
Max Continuous Current per Module: 8 A
-
Wiring Arm: 1771-WH
-
Protective Coating: Conformal coat for environmental resistance
-
Data Format: BDC or natural binary
-
Typical AC Signal Delay (Off): 45 ± 15 ms
-
Typical DC Signal Delay (Off): 50 ms
-
Operating Shock Rating: 30 g
-
Weight: 1.25 lbs (0.57 kg)
-
Model Status: Earlier generation module
Application Scenarios
-
Legacy PLC 5 systems requiring DC output modules
-
Machine control applications with medium-voltage DC outputs
-
Industrial automation setups needing conformal-coated modules for durability
-
Replacement in existing PLC 5 racks with 1771-WH wiring arms
FAQ
Q: How many outputs does the 1771-OC provide? A: It provides eight sourcing DC output channels.
Q: What is the maximum current per output? A: Each channel supports up to 1.5 A continuous current.
Q: Does the module include protective coating? A: Yes, it features conformal coating for added environmental protection.
Q: What wiring arm is compatible with this module? A: The 1771-WH wiring arm is required.
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
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.