Brand:Invensys Triconex Item No.:PI 3381 Product Origin:USA Product Dimensions:220 x 44 x 169 mm Product Weight:1.5 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Invensys Triconex PI 3381 Pulse Input Module is a high-reliability industrial input module designed for accurate acquisition and processing of pulse signals in safety-critical control systems. It is commonly used for monitoring rotational speed, frequency signals, and overspeed protection in industrial machinery.
Technical Specifications
Parameter
Specification
Product Model
PI 3381
Function
Pulse Input Module
Dimensions
220 × 44 × 169 mm
Weight
1.5 kg
Application Type
Pulse signal processing
System Compatibility
Triconex SIS / TMR systems
Installation
Control cabinet mounting
Operating Environment
Industrial-grade conditions
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System Chassis
Applications
• Turbine speed and overspeed monitoring in industrial control systems
• Rotating machinery RPM measurement and vibration-related pulse analysis
• Compressor, pump, and motor speed feedback in process industries
• Oil and gas safety instrumented systems (SIS) signal acquisition
• Power generation equipment monitoring and protection systems
• Industrial automation systems requiring high-accuracy pulse signal processing
Key Advantages
• High-precision pulse signal acquisition for accurate speed measurement
• Reliable performance in safety-critical industrial environments
• Designed for integration with Triconex triple modular redundancy (TMR) systems
• Stable signal processing for continuous industrial operation
• Strong resistance to electromagnetic interference in harsh environments
• Compact industrial design for efficient control cabinet installation
Technical FAQs
Q1: What is the main function of this module?
A: It converts and processes pulse signals for speed and frequency monitoring.
Q2: What systems is it used with?
A: Triconex Safety Instrumented Systems (SIS) and TMR platforms.
Q3: Is it suitable for turbine overspeed monitoring?
A: Yes, it is widely used in turbine and rotating machinery protection systems.
Q4: Can it operate in safety-critical environments?
A: Yes, it is designed for high-integrity industrial safety applications.
Q5: Does it support continuous monitoring?
A: Yes, it is built for 24/7 industrial operation.
Q6: Is it resistant to electrical noise?
A: Yes, it provides stable performance in high-interference environments.
Q7: What industries commonly use this module?
A: Oil and gas, petrochemical, power generation, and heavy industry.
Q8: Is it part of redundant control architecture?
A: Yes, it is designed for use in Triconex TMR systems.
Q9: Does it require frequent maintenance?
A: No, it is engineered for long-term reliability.
Q10: Can it improve machinery safety?
A: Yes, it enables accurate detection of speed-related anomalies.
