Yokogawa AAI141-S50/K4A00 Analog Input Module

Model & Suffix Definition

• AAI141: Analog Input Module, 16-channel non-isolated, 4–20 mA input
• S: Standard type with HART protocol communication
• 5: No explosion-proof protection
• 0: Basic type
• /K4A00: Equipped with KS Cable Interface Adapter

Core Specifications

• Input Channels: 16, non-isolated
• Input Signal: 4 to 20 mADC
• Maximum Allowable Input Current: 27 mA
• Input Resistance:
  • Power ON: 400 Ω at 20 mA, 1000 Ω at 4 mA
  • Power OFF: 500 kΩ or higher
• Accuracy: ±16 μA
• Data Update Period: 10 ms
• Step Response Time: 100 ms
• Transmitter Power Supply: 14.8 V min @20 mA, 26.4 V max @0 mA, current limit 27 mA
• Transmitter Configuration: 2-wire / 4-wire selectable per channel
• Temperature Drift: ±16 μA / 10 °C
• Current Consumption: Max 310 mA (5 V DC), 450 mA (24 V DC)
• External Connection: Pressure clamp terminal, KS cable, MIL connector cable
• HART Communication: Supported
• Weight: 0.2 kg

Key Features

• 16-channel non-isolated 4–20 mA analog input
• Standard type with built-in HART communication
• Basic industrial performance for general process applications
• Per-channel 2-wire / 4-wire transmitter setting
• Fast response and high measurement accuracy
• Equipped with KS cable interface adapter for easy wiring
• Compact and lightweight structure
• Wide compatibility with Yokogawa control systems

Typical Applications

• Yokogawa CENTUM series DCS systems
• Industrial process monitoring and analog data acquisition
• Factory automation and production control
• Analog signal interfacing for field transmitters
• Chemical, power, and manufacturing automation

Packaging List

• 1 × Yokogawa AAI141-S50/K4A00 analog input module
• KS cable interface adapter
• Installation and user manual

FAQ

1. What is the AAI141-S50/K4A00?

   It is a 16-channel non-isolated analog input module with 4–20 mA input.

2. Does this module support HART?

   Yes, HART communication is supported.

3. What does the K4A00 option include?

   It includes a KS cable interface adapter.

4. Is the input isolated?

   No, it provides non-isolated input channels.

5. What is the weight of this module?

   Approximately 0.2 kg.