Description
TRICONEX DI3301S2
The TRICONEX DI3301S2 is a digital input module from the Tricon v9–v11 series, designed for high-integrity safety and control applications in critical industries like oil & gas, power generation, and chemical processing. Below are its key technical parameters:
General Specifications:
- Manufacturer: Schneider Electric (formerly Invensys/Triconex)
- Module Type: Digital Input (DI)
- Series: Tricon v9, v10, v11 (compatible with Tricon systems)
- Part Number: DI3301S2 (also labeled as 3501T in some documents)
Electrical Specifications:
- Input Channels: 16 (isolated in groups of 8)
- Input Type: Dry contact (volt-free) or wet contact (sourced)
- Input Voltage Range:
-
- Dry Contact: 0–60V DC (open circuit)
- Wet Contact: 5–60V DC (sourced input)
- On-State Threshold: ≥ 5V DC (current ≥ 2.5 mA)
- Off-State Threshold: ≤ 1V DC
- Input Impedance: ~3.3 kΩ (typical)
- Isolation: 1500V AC between field side and logic side
Performance & Environmental:
- Response Time: < 10 ms (typical)
- Update Rate: Synchronized with Tricon scan time
- Operating Temperature: -40°C to +70°C (-40°F to +158°F)
- Humidity: 5–95% (non-condensing)
- Certifications: SIL 3 (IEC 61508), TÜV, ATEX (optional)
Communication & Compatibility:
- Bus Compatibility: Tricon Communication Bus (TCM)
- Hot Swap Support: Yes (module can be replaced without powering down)
- Redundancy Support: Supports Triple Modular Redundancy (TMR) configurations
Power Consumption:
- Backplane Power: Typically 1W per module (varies based on configuration)
Applications:
- Safety Instrumented Systems (SIS)
- Emergency Shutdown Systems (ESD)
- Fire & Gas Systems (FGS)
- Turbine Control
Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
Our Main Brands
DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.
Product Categories & Models
1. Distributed Control System (DCS)
- ABB:3AUA0000110429, SYSCON2 746924
- Invensys Foxboro:FBM214, FBM242, B0123HE
- Invensys Triconex:3625, 3700A, 3604E
- Woodward:5462-758B
- HIMA:F2-DO-16-02, F8650E
- Yokogawa:SAI143-S03 S1, F9342L-02
- Honeywell:51402497-200, 51403519-160, 51199194-100, CC-PDO801
- Emerson:KJ4001X1-NB1, 12P3368X012
2. Programmable Logic Controller (PLC)
- Rockwell/Allen Bradley:1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
- ICS Triplex:T8461, T8850, T8403, T8431, T8831, T8310
- Schneider Modicon:140DDI85300
- GE Fanuc:IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
- Siemens:6ES7331-1KF02-0AB0
- Prosoft:MVI46-DFNT
- Bachmann:MPC240
- Woodhead:9905-068 2301A
3. Turbine Supervisory Instrumentation (TSI)
- Bently Nevada:3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
- EPRO:MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
- ENTEK:EK C6622HS, XM124, 1440-SDM02-01RA
What is a DCS?
A Distributed Control System (DCS) is a sophisticated, computer-based control system designed to automate, monitor, and manage complex industrial processes. It is widely used in large-scale industrial facilities such as refineries, power plants, chemical plants, and paper mills, where precision, reliability, and scalability are critical.
How Does a DCS Work?
A DCS is composed of several interconnected components that work seamlessly to ensure efficient process control. Here’s a breakdown of its key elements:
- Controllers:
These are the “brains” of the system. Controllers receive data from sensors, process it using pre-programmed logic, and send output signals to actuators to maintain optimal process conditions. - Sensors:
Sensors act as the “eyes and ears” of the system, measuring critical physical parameters such as temperature, pressure, flow rate, and level. This real-time data is essential for accurate control. - Actuators:
Actuators are the “muscles” of the system. They execute physical actions based on controller commands, such as opening/closing valves, starting/stopping motors, or adjusting dampers. - Operator Stations:
These serve as the human-machine interface (HMI), allowing operators to monitor the process, adjust setpoints, and troubleshoot issues. Modern DCS systems often feature intuitive graphical interfaces for ease of use. - Communication Network:
The backbone of the DCS, this network connects all components, enabling seamless data exchange and coordination. It ensures that every part of the system works in harmony, even across large industrial sites.
Why is a DCS Important?
- Centralized Control with Distributed Execution: A DCS allows for centralized monitoring while distributing control functions across multiple controllers, reducing the risk of system-wide failures.
- Scalability: It can easily expand to accommodate growing operational needs.
- Reliability: Redundant systems and fail-safes ensure continuous operation, even in critical environments.
- Efficiency: Optimizes processes, reduces waste, and improves overall productivity.
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TRICONEX Company Profile
TRICONEX is a renowned U.S. manufacturer of industrial safety control systems, founded in 1983 and now a brand under Schneider Electric.
Core Expertise
The company specializes in:
- ✅ Safety Instrumented Systems (SIS)
- ✅ Emergency Shutdown Systems (ESD)
- ✅ Critical control solutions
Key Industries Served
Widely used in high-risk sectors, including:
- ✅ Oil & Gas
- ✅ Chemicals
- ✅ Power Generation
Flagship Product
The Tricon Safety System is known for its 🔄 Triple Modular Redundancy (TMR) technology, ensuring:
- ✅ Fault tolerance
- ✅ Safe industrial operations
Certifications & Global Reach
- ✅ Rigorous safety certifications (e.g., SIL ratings)
- ✅ Global service network
Leadership
TRICONEX is a trusted leader in process safety solutions, delivering reliability and innovation worldwide.
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