Product Name: Analog Input Module
Brand Name: TRICONEX
Model Number: 3351
Place of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Description
The TRICONEX 3351 is a 32-channel analog input module specifically engineered for the Triconex Trident platform. It provides high-integrity measurement of critical process signals in safety-critical industrial applications. By utilizing TMR (Triple Modular Redundant) architecture, the module ensures fault tolerance and high availability, making it an essential component for emergency shutdown (ESD) and fire and gas (F&G) systems.
Main Function
The TRICONEX 3351 Analog Input Module is designed to acquire high-precision analog signals (4-20 mA) from field instruments and sensors, such as pressure, temperature, level, and flow transmitters. It converts these continuous process variables into high-resolution digital data for safe and reliable processing within the Triconex Trident Safety Instrumented System (SIS).
Commercial Terms
Minimum Order Quantity |
1 Piece |
Price |
Contact for Winnie |
Packaging Details |
Original new Factory Sealed |
Delivery Time |
3–7 Days |
Payment Terms |
T/T |
Shipping Method |
DHL / FedEx / UPS / TNT |
Supply Ability |
In stock |
|
Sales: |
Email: |
Whatsapp: |
|
JIM |
|
Manufacturer |
TRICONEX |
|
Product Type |
Analog Input Module |
|
Part Number |
3351 |
|
Points |
32, commoned |
|
Nominal input current |
4–20 mA DC |
|
Specified operational current range |
2–22 mA DC |
|
Absolute maximum field voltage |
33 VDC |
|
Absolute maximum reverse field voltage |
– 0.6 VDC |
|
Absolute maximum input current |
50 mA DC |
|
Input bandwidth (3dB) |
16 Hz |
|
Source impedance |
180Ω |
|
Input impedance (with baseplate) |
250Ω |
|
I to V resistor |
100 Ω ± 0.01% |
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Resolution |
12 bits |
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Absolute error |
0.15% of full scale (20 mA) |
|
Diagnostic |
Force-to-value diagnostic (FVD) |
|
Scan time |
< 1 ms for all 32 points |
|
Functional earth to protective earth isolation |
500 VDC, minimum |
|
Functional earth to functional earth (logic) isolation |
800 VDC, minimum |
|
Estimated shipping dimensions |
4.5x18.8x21.7cm |
|
Weight |
1.28kg |
|
Place of shipment |
Xiamen, China |
32 Analog Channels: Large density for compact rack configurations.
TMR Architecture: Independent processing paths with internal voting mechanisms to ensure data integrity.
Fault Detection: Proactive monitoring of field wiring and instrument health.
Compact Form Factor: Optimized for Trident chassis integration with mechanical keying to prevent improper installation.
Optical Isolation: Provides isolation between the field instrumentation and the system logic to protect internal components.
Oil & Gas Industry: Deployed in critical emergency shutdown (ESD) systems and high-integrity pressure protection systems (HIPPS) to monitor essential process variables safely.
Chemical & Petrochemical Plants: Utilized in safety instrumented systems (SIS) for fire and gas (F&G) detection loops and continuous monitoring of hazardous process parameters.
Power Generation: Integrated into turbine protection and boiler safety interlock systems where rapid response and high reliability are mandatory.
High-Precision Conversion: Employs a 12-bit resolution with an absolute error rating of 0.15% of full scale (at 20 mA) for precise measurements.
Input Signal Bandwidth: Offers an input bandwidth (-3dB) of 16 Hz to properly filter high-frequency noise while maintaining signal fidelity.
Robust Electrical Ratings: Supports an operating current range of 2-22 mA DC with a maximum field voltage of 33 VDC and a maximum input current tolerance of 50 mA DC.
The TRICONEX 3351 module requires a compatible Trident baseplate for field termination and should be installed following standard ESD (Electrostatic Discharge) procedures. Users must ensure that shielded cabling is properly grounded to minimize EMI/RFI noise interference in high-density safety applications.
Q: Does the TRICONEX 3351 support HART communication?
A: The standard TRICONEX 3351 module is designed for 4-20 mA signals. For applications specifically requiring HART protocol pass-through, please verify compatibility with the specific baseplate model (e.g., Model 2354) or consult the Trident system planning guide.
Q: How does the TRICONEX 3351 handle a channel fault?
A: The module performs continuous online diagnostics. If a fault is detected (such as an open or short circuit), the module activates the local Fault indicator and communicates the status to the main processor, allowing for safe system response without interrupting the overall process.
Q: Can I replace a TRICONEX 3351 module while the system is running?
A: Yes, the Trident architecture supports hot-swapping for modules, allowing for maintenance and replacement without shutting down the controlled process, provided local safety protocols are followed.
Q: What is the purpose of the mechanical keying on the TRICONEX 3351?
A: Mechanical keying prevents the 3351 module from being accidentally inserted into an incompatible slot within the Trident chassis, ensuring physical safety and preventing electrical damage during installation.
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