TRICONEX DI3301S2 | Digital input module | CIM3211S2

Description

Product Overview：TRICONEX DI3301S2

Technical Specifications：TRICONEX DI3301S2

Parameter Name	Parameter Value
Product Model	TRICONEX DI3301S2
Manufacturer	TRICONEX (Emerson Automation Solutions)
Product Type	Digital Input Module (TMR Redundant)
Signal Channels	32 channels (24 VDC, non-isolated)
Voltage Range	16–30 VDC (logic high: ≥16 VDC; logic low: ≤5 VDC)
Physical Dimensions	177.8 mm (W) × 101.6 mm (H) × 254 mm (D)
Weight	2.3 kg
Redundancy	Triple Modular Redundancy (TMR)
Safety Integrity Level	SIL 3 (IEC 61508, IEC 61511)
Operating Temperature	-40°C to +85°C
Vibration Resistance	5–50 Hz, 2 g (IEC 60068-2-6)
Certifications	CE, UL, CSA, ATEX, IECEx

TRICONEX DI3301S2

Main Features and Advantages：TRICONEX DI3301S2

Flexible Configuration: Through TRICONEX’s Tricon Engineering Workstation (TEW), users can configure channel parameters, such as debounce time and fail-safe states, to match specific application requirements. The module also supports online configuration changes, enabling operational adjustments without system disruption.

TRICONEX DI3301S2

Application Areas：TRICONEX DI3301S2

1. Oil and Gas:
   • Upstream/Offshore: Monitors wellhead emergency shutdown signals, pressure switches, and safety valve positions in offshore platforms and subsea installations.
   • Downstream/Refineries: Integrates with fire and gas (F&G) detection systems, processing discrete signals from smoke detectors, gas sensors, and manual call points to trigger rapid shutdown protocols.
2. Chemical and Petrochemical:
   • Manages discrete inputs from reactor safety interlocks, temperature switches, and level sensors, ensuring compliance with OSHA and EPA regulations.
   • Supports batch processing systems by accurately capturing status signals from valves, agitators, and pumps to maintain process consistency.
3. Power Generation:
   • Monitors turbine bypass valves, generator circuit breakers, and auxiliary system status in thermal and nuclear power plants, enabling quick response to abnormal conditions.
   • Integrates with boiler safety systems to detect flame failure signals and activate shutdown sequences to prevent catastrophic events.
4. Pharmaceutical and Food Processing:
   • Ensures hygienic control by monitoring door interlocks, pressure differentials, and sterilization cycle status in cleanroom environments.
   • Supports safety-critical batch processes by verifying valve positions and sensor states to prevent contamination or product loss.
     

     TRICONEX DI3301S2

Related Products：TRICONEX DI3301S2

• TRICONEX DO3301S2: A digital output module with TMR redundancy, complementary to the DI3301S2 for complete discrete I/O control in safety systems.
• TRICONEX AI3301S2: An analog input module designed for continuous signal monitoring (e.g., temperature, pressure), often used alongside the DI3301S2 in hybrid control systems.
• TRICONEX Tricon CX Controller: A high-performance safety controller that serves as the central processing unit for systems incorporating the DI3301S2, offering advanced logic solving and diagnostics.
• TRICONEX TB3501: A terminal block accessory for the DI3301S2, providing secure wiring connections and signal conditioning for field devices.
• TRICONEX SM3301: A signal conditioning module that enhances the DI3301S2 by filtering and amplifying low-level signals from remote sensors.

Installation and Maintenance：TRICONEX DI3301S2

• Verify the power supply (24 VDC ±10%) and ground connection to prevent voltage fluctuations or EMI interference.
• Use TRICONEX’s TEW software to configure channel settings (e.g., debounce time, fail-safe state) and assign module addresses within the Tricon system.
• Ensure the control rack has adequate ventilation and is properly grounded to meet EMC/EMI standards.

• Routine Inspections: Regularly check the module’s front-panel LEDs to confirm status (e.g., green “Power” and “Health” indicators, amber “Fault” warnings). Use TEW to review diagnostic reports for channel-specific errors.
• Signal Testing: Perform annual functional tests to verify signal reception, using a calibrated voltage source to simulate logic high/low states and confirm proper communication with the controller.
• Firmware Updates: Periodically update the module’s firmware via TEW to access the latest safety patches and compatibility enhancements, ensuring alignment with evolving industry standards.
• Environmental Cleaning: Clean dust and debris from the module’s vents every six months, particularly in dusty environments, to prevent overheating and maintain optimal performance.
  

  TRICONEX DI3301S2

Product Warranty：TRICONEX DI3301S2