Product Details
Product Overview
The Allen Bradley 1734-IV8 functions as a high-density digital input module within the POINT I/O™ family. This module provides eight sourcing-type input points, allowing for seamless integration of 24V DC field devices such as proximity sensors, limit switches, and photoelectric eyes. Its ultra-compact, modular design minimizes panel space while providing granular I/O expansion for distributed control architectures. We supply this unit in 100% Brand New and Original condition, ensuring maximum signal integrity and backplane compatibility for your Logix-based control systems.
Technical Specifications
The 1734-IV8 delivers precise digital signal detection across the following parameters:
| Feature | Specification |
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Product Line | POINT I/O (1734) |
| Number of Inputs | 8 Points |
| Input Type | DC Digital (Sourcing) |
| Rated Input Voltage | 24V DC |
| Input Voltage Range | 10–28.8V DC |
| POINTbus Current | 75 mA |
| Isolation Voltage | 50V (Continuous) |
| Status Indicators | 8 Yellow I/O Status LEDs; 1 Green/Red Module Status |
| Mounting | DIN Rail (Horizontal or Vertical) |
| Weight | 0.06 lbs (0.03 kg) |
Engineering Advantages
The 1734-IV8 addresses critical spatial and diagnostic challenges in modern automation:
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High-Density Footprint: The "Point" architecture allows for 8 discrete inputs in a housing less than 13mm wide. This compact scale enables significant I/O expansion in small junction boxes or crowded control cabinets where traditional rack-based I/O is physically impossible.
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Sourcing Input Configuration: This module utilizes a sourcing (PNP-compatible) input structure. It provides a common ground for the field devices, simplifying the wiring of 3-wire PNP sensors and reducing the need for additional terminal blocks.
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Real-Time Visual Diagnostics: Integrated LED indicators provide instantaneous feedback for each of the 8 points. Technicians can identify faulty field devices or broken wires at a glance without utilizing a programming terminal, significantly reducing Mean Time to Repair (MTTR).
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Flexible Mounting and Assembly: The module snaps onto a 1734-TB or 1734-TBS terminal base. This "Removal and Insertion Under Power" (RIUP) capability allows for module replacement without disturbing the field wiring or interrupting the power to other modules on the same DIN rail.
FAQs
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What is the difference between the 1734-IB8 and the 1734-IV8?
The 1734-IB8 is a sinking input module (requires sourcing sensors), whereas the 1734-IV8 is a sourcing input module (requires sinking sensors). Always verify the output type of your field devices (PNP vs. NPN) before selecting the module to ensure electrical compatibility.
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Which terminal base does the 1734-IV8 require?
This module installs onto a 1734-TB, 1734-TBS, or 1734-TOP terminal base. The base provides the connection points for field wiring and secures the module to the DIN rail.
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Can I replace this module while the system is powered?
Yes. The POINT I/O system supports RIUP (Removal and Insertion Under Power). You can remove and replace the 1734-IV8 module while the rest of the I/O system remains operational, provided you follow standard industrial safety procedures.
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Is this a genuine, factory-sealed Allen Bradley unit?
We guarantee the unit is 100% Brand New and Original. Every 1734-IV8 ships in its original factory packaging with the authentic UPC (612598309832) and Rockwell Automation quality inspection seals intact.
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
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.
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.