Product Details
Description
The ICS Triplex T8403 is a high-density, 40-channel digital input module designed for the Trusted Triple Modular Redundancy (TMR) system. It provides a fault-tolerant interface for 24 Vdc field signals, ensuring high-integrity monitoring of critical sensors and switches in safety-instrumented applications.
Specifications
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Manufacturer: Rockwell Automation (ICS Triplex).
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Country of Origin: United Kingdom.
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Model Number: T8403.
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Number of Channels: 40 isolated input points.
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Input Voltage: 24 Vdc nominal.
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Input Threshold: 11 Vdc to 15 Vdc.
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Physical Weight: Approximately 1.5 kg (3.3 lbs).
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Dimensions: 10.5" x 1.2" x 7.8" (266 mm x 31 mm x 198 mm).
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Power Consumption: 15 Watts maximum.
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Update Rate: 1 millisecond.
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Safety Rating: TÜV approved for SIL3 applications.
Features
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Triple Modular Redundancy: Processes each input through three independent circuits with hardware-based voting to eliminate single points of failure.
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Line Supervision: Detects open-circuit and short-circuit faults in field wiring through integrated current sensing for both dry and powered contacts.
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Sequence of Events (SOE): Supports high-resolution time-stamping of input transitions for precise post-event analysis.
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Hot-Swap Capability: Allows the module to be removed and replaced while the safety system remains operational without process interruption.
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Internal Self-Testing: Performs continuous background diagnostics on input filters and opto-isolators to ensure hardware integrity.
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Diagnostic Indicators: Equipped with front-panel LEDs for individual channel state, module healthy status, and field wiring faults.
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
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.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.