Brand:Yokogawa Electric Item No.:SDV144-S33/PRP Product Origin:Japan Product Dimensions:130 x 32.8 x 107.5 mm Product Weight:0.36 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 Yokogawa SDV144-S33/PRP is a high-performance digital input module designed for distributed control and safety systems. It is used to collect discrete ON/OFF signals from field devices and transmit them reliably to the control system for processing and decision-making.
Engineered for industrial-grade performance, this module is widely applied in complex automation environments where accuracy, reliability, and redundancy are essential. Its robust design and PRP capability make it suitable for critical process industries requiring uninterrupted operation.
Technical Specifications
Parameter
Specification
Product Type
Digital Input Module
Model
SDV144-S33/PRP
Brand
Yokogawa
Input Type
Discrete ON/OFF contact signals
Channels
Multi-channel (typically 16–32 depending on configuration)
Signal Voltage
24 V DC class
Isolation
Channel-to-channel and system isolation
Redundancy
PRP supported
System Compatibility
CENTUM VP / ProSafe-RS
Installation
Rack-mounted module
Operating Environment
Industrial grade
Dimensions
130 × 107.5 × 32.8 mm
Weight
0.36 kg
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Applications
• Digital signal acquisition in Yokogawa CENTUM VP and ProSafe-RS systems
• Monitoring ON/OFF status signals from field devices such as switches and contacts
• Industrial automation systems in oil & gas, petrochemical, and refining plants
• Power generation systems for discrete signal monitoring and control logic input
• Safety instrumented systems (SIS) requiring reliable status detection
• Large-scale DCS architectures with distributed I/O configurations
Key Advantages
• High-density multi-channel input design for efficient system integration
• Fast and stable digital signal acquisition for real-time control systems
• Channel isolation improving noise immunity and operational reliability
• PRP redundancy support ensuring high system availability and fault tolerance
• Compact module design reducing cabinet space requirements
• Robust industrial construction for continuous 24/7 operation
• Reliable performance in electrically noisy and harsh environments
Technical FAQs
1. What is the main function of this module?
It collects digital ON/OFF signals from field devices and sends them to the control system.
2. What type of signals does it handle?
It handles discrete contact signals such as switch or relay states.
3. How many channels does it support?
It typically supports multi-channel digital inputs for industrial applications.
4. What systems is it used with?
It is used in Yokogawa CENTUM VP and ProSafe-RS systems.
5. Does it support redundancy?
Yes, it supports PRP-based redundancy depending on system configuration.
6. Is it suitable for safety systems?
Yes, it can be used in safety instrumented system architectures.
7. Does it provide signal isolation?
Yes, each channel is electrically isolated for stability and safety.
8. Can it operate in harsh environments?
Yes, it is designed for industrial temperature and EMI conditions.
9. Is it a control module?
No, it is strictly a digital input (signal acquisition) module.
10. What is its key benefit?
It ensures reliable and stable acquisition of field device status signals.
