Triconex 9573-110F - 16-Channel Digital Input Module for Tricon Safety Controller

Triconex 9573-110F – 16-Channel Digital Input Module for Tricon Safety Controller

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Product Introduction:
The Triconex 9573-110F is a critical digital input module for the Tricon series of safety instrumented systems (SIS) manufactured by Schneider Electric (formerly Invensys/Triconex). This module provides 16 channels of discrete (on/off) input acquisition from field devices such as pushbuttons, limit switches, pressure switches, and proximity sensors. The “F” suffix denotes the F-Type variant, which uses 24V DC input logic and includes specific filtering and diagnostics optimized for safety-critical applications. Every Tricon digital input module is triple modular redundant (TMR), meaning there are three independent processing channels that vote on every input state, ensuring that a single point of failure cannot cause a dangerous system state.

Technical Specifications:
Board Type: Digital Input Module
Revision: F (latest field-proven revision)
Channel Count: 16 discrete input channels
Input Voltage: 24V DC nominal (accepts 12V to 30V DC range)
Input Type: Dry contact (dry closure) or 24V DC sourced
Debounce Time: 5ms to 500ms (software configurable per channel)
Isolation: 250V RMS channel-to-channel and channel-to-ground
Response Time: 10ms maximum scan-to-output
Power Consumption: Approximately 2.5 Watts
Operating Temperature: 0 to 60 degrees Celsius (standard), -40 to +70 for extended versions
Form Factor: Tricon I/O Carrier compatible module
Redundancy: Full TMR (Triple Modular Redundant) with automatic voting
Diagnostics: Per-channel LED status, wire fault detection, open circuit detection

Functional Features:
Triple Modular Redundancy: Three independent processors read every input simultaneously; the system requires at least two out of three to agree before accepting a state change, providing the highest level of fault tolerance available in safety systems.
Per-Channel Configuration: Each of the 16 channels can be independently configured for input type, debounce time, and fail-safe state (normally open or normally closed).
Wire Break Detection: Automatically detects if a field device wire has broken (open circuit) and reports the fault to the safety controller, triggering a safe shutdown if configured.

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