Description
1. Product Description
The Triconex 3301 is a 32-point, 24 V DC digital input module designed for the Trident safety instrumented system (SIS). It monitors discrete field signals from switches, relay contacts, and other compatible devices used in industrial process control and safety applications. The module processes input states through three independent channels within the Trident Triple Modular Redundancy (TMR) architecture, with diagnostics designed to identify channel faults. Typical applications include safety interlocks, equipment status monitoring, permissive logic, and shutdown signal acquisition. Compatibility depends on the Trident system generation, baseplate, terminal arrangement, and configured application.
TRICONEX 3301
2. Product Parameters and Datasheet
– Brand: Triconex (Schneider Electric)
– Model: 3301
– Series: Trident Safety Instrumented System
– Product Name: Digital Input Module
– Input Type: Digital / discrete input
– Number of Input Points: 32, commoned
– Nominal Input Voltage: 24 V DC
– Operating Input Voltage: 15–30 V DC
– Absolute Maximum Input Voltage: 33 V DC
– Input Threshold: 0–5 V DC OFF; 6–14 V DC transition region; 15–30 V DC ON
– Input Delay: Less than 10 ms, ON-to-OFF or OFF-to-ON
– Input Impedance: Greater than 30 kΩ without baseplate; approximately 3 kΩ with baseplate
– Input Power: Approximately 0.2 W per point at 24 V DC
– Diagnostics: Force-to-Value Diagnostic (FVD)
– Architecture: Three-channel processing within the Trident system
– Installation: Compatible Trident digital input baseplate
– Power Requirements: Determined by the Trident system and installed baseplate configuration
– Dimensions: Verify against the applicable hardware drawing
– Weight: Verify for the exact hardware revision
– Country of Origin: Confirm from the product label and shipping documents
– Product Status: Legacy product; confirm stock and lifecycle status
– Discontinued: Current status not confirmed
3. Recommended Triconex Models
– 3101 — Trident main processor module.
– 3201 — Trident communication module.
– 3301 — 32-point, 24 V DC digital input module.
– 3351 — 32-point analog input module.
– 3401 — Trident digital output module; verify the exact variant.
– 3481 — Trident analog output module.
– 3482 — Trident analog output module variant.
– 3501E — Digital input module for compatible Tricon systems.
– 3503E — Digital input module for compatible Tricon systems.
– 3604E — Digital input module for compatible Tricon systems.
– 3625A — Digital output module for compatible Tricon systems.
– 3700A — Analog input module for compatible Tricon systems.
– 3721 — Analog input module for compatible Tricon systems.
– 3805E — Analog output module for compatible Tricon systems.
– 8310 — Trident system power supply module.
Important: The 3301 belongs to the Trident platform. Do not assume it is interchangeable with similarly numbered Tricon modules. Verify the system generation, baseplate, terminal wiring, and configuration before replacement.
