AAI841-H00/K4A00 Yokogawa Analog I/O Module

Yokogawa AAI841-H00/K4A00 Analog I/O Module

• Brand & Model: Yokogawa, AAI841-H00/K4A00 (Analog I/O Module, 8 input / 8 output, non-isolated).
• I/O Channels: 8 input channels and 8 output channels, all non-isolated but independently configurable.
• Input Signal: Accepts 4 to 20 mA current signals with an allowable input of 25 mA maximum.
• Input Resistance: Power ON – 400 Ω (at 20 mA) to 1000 Ω (at 4 mA); Power OFF – 500 kΩ or higher.
• Output Signal: Provides 4 to 20 mA output with a load resistance range of 0 to 750 Ω.
• Accuracy & Response: Input accuracy ±16 μA, output accuracy ±48 μA. Input step response 100 ms, output step response 40 ms.
• Update Period: 10 ms data update ensures fast and reliable loop control.
• Transmitter Power: Supplies 14.8 V (min at 20 mA) to 26.4 V (max at 0 mA) for 2-wire or 4-wire transmitters per channel.
• Temperature Drift: Only ±0.1% per 10 °C, maintaining stability across varying conditions.
• Power Consumption: 310 mA (5 V DC) and 500 mA (24 V DC). Weight: 0.3 kg.
• External Connection: Pressure clamp terminal, KS cable, or MIL connector (option /K4A00 includes KS adapter).

Detailed Technical Specifications

• Input Range & Resolution: 4-20 mA input with 16 μA resolution for precise measurement.
• Output Range & Resolution: 4-20 mA output with 48 μA resolution for accurate actuation.
• HART Communication: Built-in HART protocol support (suffix -H) enables digital communication over analog lines.
• Circuit-Open Detection: Detects output loop breaks below 0.65 mA, enhancing diagnostic capability.
• 2-Wire / 4-Wire Setting: Configure each channel individually via setting pins for flexible transmitter integration.
• Environmental Tolerance: Operates reliably in industrial environments with robust temperature drift performance.

Frequently Asked Questions (FAQ)

• Q: Is this module brand new and original?
  A: Yes, we supply only 100% new and original Yokogawa modules.
• Q: What is the typical lead time?
  A: We ship within 5 business days after order placement.
• Q: Which shipping carriers do you use?
  A: We ship via FedEx, UPS, or DHL – you can choose your preferred option.
• Q: Do you accept returns?
  A: Yes, we support a 30-day return policy for unused items in original packaging.
• Q: Can I use this module for HART-enabled devices?
  A: Yes, the AAI841-H00/K4A00 includes HART communication (suffix -H) for digital data exchange.
• Q: What is the output load resistance range?
  A: The module drives loads from 0 to 750 Ω, suitable for most actuators and indicators.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited: https://www.nex-auto.com/