Brand:Yokogawa Electric Item No.:NFAI835 Product Origin:Japan Product Dimensions:32.8 × 107.5 × 130 mm Product Weight:0.3 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 NFAI835 Analog Input/Output Module combines precise analog signal handling with reliable operation for complex automation networks. It is engineered for industrial-grade performance, offering seamless integration, robust diagnostics, and scalable expansion for modern process control systems.
Technical Specifications
Feature
Specification
Model
NFAI835
Type
Analog Input/Output Module
Dimensions
32.8 × 107.5 × 130 mm
Weight
0.3 kg
Input/Output Signal Type
4–20 mA / 0–10 V
Communication Protocol
ESB Bus
Power Supply
24 VDC ±10%
Mounting
DIN rail / panel mountable
Diagnostic Features
LEDs for status, error detection
Recommended Related Models
Model
Product Name
NFAI830
Analog Input/Output Module, 4-Channel
NFAI831
Analog Input/Output Module, High-Speed
NFAI832
Analog Input/Output Module, Redundant
NFAI834
Advanced Analog I/O Module with Diagnostics
Popular Related Models
Model
Product Name
NFAI835-1
Previous Generation Analog I/O Module
NFAI833
Compact Analog I/O Module
NFAI836
High-Performance Analog I/O Module
NFAI837
Analog I/O Module with Enhanced Monitoring
Applications
• Accurate analog input and output for process automation and control systems.
• Integration with distributed control systems for real-time monitoring and signal feedback.
• Supporting industrial automation in chemical, oil & gas, and power plants.
• Facilitating scalable analog I/O configurations for large networked systems.
• Enabling system diagnostics and verification to maintain operational reliability.
Key Advantages
• High Precision: Delivers accurate input and output signals for process control.
• Reliable Operation: Designed for continuous use in industrial environments.
• Flexible Integration: Compatible with multiple Yokogawa DCS and ESB modules.
• Easy Maintenance: Diagnostic indicators simplify troubleshooting and system monitoring.
• Scalable Design: Supports expansion in distributed control networks without complex rewiring.
Technical FAQs
Q: What types of analog signals does the NFAI835 support?
It supports both 4–20 mA and 0–10 V analog signals for input and output channels.
Q: Can it operate in harsh industrial environments?
Yes, it is rated for industrial temperature ranges and vibration-resistant for reliable operation.
Q: How many input and output channels does this module have?
The module includes multiple configurable analog input and output channels, suitable for complex process systems.
Q: Does it support redundancy for critical processes?
Yes, it can be integrated into redundant network configurations to ensure continuous operation.
Q: How does it communicate with other control modules?
It uses the Yokogawa ESB bus protocol for deterministic and reliable communication.
Q: Can it provide diagnostic information?
Yes, it offers real-time status, error logs, and signal monitoring through the control system.
Q: Is firmware upgradeable on-site?
Yes, firmware can be updated securely without interrupting normal operation.
Q: Is it compatible with legacy Yokogawa systems?
Yes, backward compatibility ensures smooth integration with older DCS modules.
Q: How does it contribute to process safety?
Continuous monitoring and diagnostic alerts help prevent incorrect signal values from affecting process safety.
Q: Can the module be easily maintained in the field?
Yes, LED indicators and accessible terminals simplify maintenance and troubleshooting.
