Product Details
Product Description
The Allen Bradley 1734-OW4 POINT I/O module provides four isolated electromechanical relay outputs, designed for flexible digital output control in distributed automation systems. Each channel uses Form A (normally open) contacts, offering reliable switching for both AC and DC loads. With robust isolation, compact design, and long contact life, this module is well-suited for industrial applications requiring dependable relay-based output control.
Technical Specifications
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Manufacturer Allen Bradley
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Product Line POINT I/O
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Product Type Digital Output Module
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Part Number 1734-OW4
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Outputs per Module 4 Form A isolated (NO) relay contacts
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Off-State Leakage Current Max 1.2 mA @ 240 V AC (with bleed resistor through snubber circuit)
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Backplane Power 5 V DC, 90 mA
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Power Consumption 0.8 W
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Power Dissipation Max 0.5 W
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Contact Ratings
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120/240 V AC, 2.0 A @ 50/60 Hz
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1800 VA make, 180 VA break
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5–30 V DC, 2.0 A, R150
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Isolation Voltage 250 V, tested at 2550 V DC for 60 s (field-to-system and between contact sets)
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Switching Frequency Max 1 operation per 3 s (0.3 Hz @ rated load)
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Electrical Contact Life Minimum 100,000 operations @ rated load
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Wiring Category Category 1 (signal ports)
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Wire Size 0.25–2.5 mm² (22–14 AWG), solid or stranded copper, rated 85 °C or higher, insulation max 1.2 mm
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Terminal Base Screw Torque Determined by installed terminal block
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Weight 0.06 kg
Application Scenarios
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Relay-based digital output control in distributed POINT I/O systems
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Switching AC or DC loads in industrial automation panels
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Applications requiring isolated relay contacts for safety and reliability
FAQ
Q: How many relay outputs does the 1734-OW4 provide? A: It includes four Form A (normally open) isolated relay outputs.
Q: What is the expected contact life? A: At least 100,000 operations under rated load conditions.
Q: What isolation voltage is supported? A: 250 V, tested at 2550 V DC for 60 seconds.
Comparable Models
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1734-OW4: 4-point relay output module (this model)
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1734-OB8: 8-point DC transistor output module
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1734-OV4: 4-point DC sinking output module
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.