Product Details
Product Description
The 1771-IVN by Allen-Bradley is a low true digital input module designed for PLC-5 systems. It supports 32 DC input points arranged in 4 groups of 8 and operates within 10–30 VDC, enabling reliable signal acquisition in industrial applications.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1771-IVN
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Product Type: Digital DC Input Module
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Series: PLC-5
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Number of Inputs: 32 (4 sets of 8)
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Input Voltage: 10–30 VDC (Source/Sink load)
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Backplane Current: 280 mA
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Max DC Off-State Current: 1.7 mA
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Typical DC Signal Delay (On): 6 ±2 ms
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Typical DC Signal Delay (Off): 50 ms
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Typical AC Signal Delay (Off): 45 ±15 ms
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Mounting Type: Rack-mountable
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Wiring Arm: 1771-WH
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Module Status: Earlier model
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Weight: 1.0 lbs (0.45 kg)
Key Features
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Reliable low true DC input detection
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Fast response with digital filtering
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Compact rack-mount design
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Compatible with standard PLC-5 wiring and I/O modules
Applications
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Distributed control systems requiring precise digital input monitoring
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Integration into PLC-5 industrial automation networks
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Monitoring sensors, switches, and field devices
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
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.