The Yokogawa AAI141-S00/K4A00 is a non-isolated analog input module designed to convert standardized analog signals into digital signals. It provides 16 channels of 4 to 20 mA DC or 1 to 5 V DC signals from 2-wire or 4-wire transmitters and can be used in dual-redundant configurations.

Technical Specifications

• Number of Input Channels: 16, non-isolated
• Input Signal: 4 to 20 mA DC or 1 to 5 V DC
• Allowable Input Current/Voltage: 27 mA, ±7.5 V
• Input Impedance:
  • 250 Ω (4 to 20 mA DC)
  • 10 kΩ (1 to 5 V DC)
• Accuracy: ±0.1% of full scale
• Response Time: 0.5 seconds (step input)
• Power Consumption: 2.5 W
• Operating Temperature: -20 to 60 °C (-4 to 140 °F)
• Humidity: 10 to 90% RH (non-condensing)
• Dimensions: 140 x 60 x 30 mm (5.5 x 2.4 x 1.2 in)
• Weight: 350 g (12 oz)

Suffix Codes Explanation

• S: Standard type
• 0: Basic type (not applicable for AAI141)
• K4A00: With KS Cable Interface Adapter (Model: ATK4A-00)