Yokogawa AAI141 Analog Input Module: Precision Industrial Signal Processing

Essential Measurement Hub

The AAI141-S50/K4A00 module reads 16 sensor signals at once. It handles 4-20mA industrial inputs with high accuracy. Perfect for process control systems. Features ultra-fast 10ms response time.

Key Performance Advantages

• 16-channel density saves space
• 10ms lightning response for real-time control
• Built-in HART communication
• Dual power input flexibility
• Tool-free wiring terminals

Technical Specifications

• Brand/Model: Yokogawa AAI141-S50/K4A00
• Input Type: 4-20mA DC (16 channels)
• Accuracy: ±0.1% full scale (±16µA)
• Response Time: 10ms step response
• Input Resistance: 400Ω-1000Ω (active)
• Power Options: 5VDC (310mA) / 24VDC (450mA)
• Temp Stability: ±1.6µA/°C drift
• Overload Protection: 27mA continuous
• Weight: 0.2kg compact design

Environmental Toughness

• Operating Temp: -25°C to +70°C
• Humidity: 5-95% non-condensing
• Vibration: 2g @ 10-150Hz
• EMI Protection: 1500V surge rated

Easy Installation

• Pressure-clamp terminals
• No external isolators needed
• Per-channel 2/4-wire selection
• Hot-swappable in compatible racks

Industrial Certifications

• IEC 61010-1 Safety Certified
• EMC Directive 2014/30/EU
• RoHS 3 Compliant
• ATEX Option Available

Warranty & Shipping

• 12-month performance warranty
• Global delivery: FedEx/UPS/DHL
• 3-day express option

Diagnostics Features

• Open wire detection
• Over-range alerts
• Signal drift monitoring
• HART device diagnostics

Expert Questions

• Can I mix sensor types?
  Yes. Each channel handles 4-20mA independently.
• Is calibration needed?
  Factory calibrated. Annual check recommended.
• Maximum cable length?
  1000 meters (shielded twisted pair).
• HART version supported?
  HART 5/6/7 compatible.
• Replacement cycle?
  10-year design life minimum.

Package Contents

• AAI141-S50/K4A00 Module
• ATK4A-00 Cable Adapter
• Terminal labels