Product Details
Product Description
The Honeywell 10302/2/1 Watchdog Repeater Module (WDR) is designed for Fail Safe Controller (FSC) systems, ensuring reliable watchdog signal management in complex power supply and I/O configurations. It is required in multiple-PSU setups, redundant/non-redundant I/O combinations, and when watchdog current demand exceeds standard thresholds. This module provides stable monitoring and output generation, supporting secure system operation in demanding industrial environments.
Key Features
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Manufacturer: Honeywell
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Model Number: 10302/2/1
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Type: Watchdog Repeater Module (WDR)
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Software Versions: ≥ 3.00
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Power Requirements:
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5 VDC, 35 mA (without WDROUT output current)
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24 VDC, 25 mA
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Input Current (WDG1 + WDG2): 0.1 mA
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Ripple Content: < 50 mV p-p
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Space Requirement: 4 TE, 3 HE (≈ 4 HP, 3U)
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Module Code: A5, A9
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Rack Code: A5, A9
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Weight: 0.12 kg
Application Scenarios
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Multiple PSU Configurations: Required for each additional 24 VDC to 5 VDC power supply unit (PSU 2, 3, 4)
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High Voltage Supplies: Needed when 24 VDC sources can exceed 31 VDC under fault conditions
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High Current Demand: Ensures watchdog reliability when current exceeds 900 mA
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Mixed I/O Architectures: Provides watchdog output for non-redundant I/O modules in combined redundant/non-redundant systems
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Central Part Monitoring: Used to supervise 5 VDC supplies when no direct monitoring is available
FAQ
Q: When is the 10302/2/1 module required? A: It is required in multi-PSU setups, high current demand (>900 mA), and mixed redundant/non-redundant I/O configurations.
Q: What are the power requirements? A: 5 VDC at 35 mA and 24 VDC at 25 mA.
Q: What is the ripple content specification? A: Less than 50 mV peak-to-peak.
Q: How does it compare to standard watchdog modules? A: The 10302/2/1 is specifically designed for redundant and complex configurations, offering extended monitoring and output capabilities beyond standard watchdog modules.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.